The Intel Core i7-4790K Processor is our top choice for the Best 1150 Processor, offering the highest clock speeds and an unlocked multiplier for enthusiasts. The Intel Core i5-4690K Processor serves as the premier value pick for those prioritizing overclocking performance, while the Intel Core i7-4790 Processor remains the reliable standard for high-end computing tasks.
Selecting a processor for the LGA 1150 socket requires balancing raw processing power against the thermal and power constraints of older motherboard chipsets. Because these CPUs are no longer in active production, buyers must carefully consider the specific needs of their existing build, whether they are aiming for maximum multi-threaded performance or efficient daily operation.
Understanding the differences between the 'K' series, which allows for manual frequency adjustments, and the locked 'S' or standard variants is essential for matching a CPU to your cooling solution and power supply capacity. We focus on these technical distinctions to ensure your upgrade provides a stable and effective boost to your system's longevity.
If you are planning to push your new CPU to its limits, you should also consider the Best 1150 Motherboard for Overclocking to ensure stable power delivery. For a broader look at available options, our guide on the Best 1150 CPU provides additional context for your upgrade.
10 Best 1150 Processor in 2026 Reviews
Quick Comparison
| Product | Best For | Key Strength | Score |
|---|---|---|---|
| Intel Core i7-4790K Processor | Best Overall | Unlocked clock multiplier for performance tuning | 4.9 |
| Intel Core i5-4690K Processor | Best Value for Overclockers | 4 cores and 4 threads for efficient multitasking. | 4.9 |
| Intel Core i7-4790 Processor | Reliable High-End Computing | LGA 1150 socket compatibility for legacy system upgrades | 4.7 |
| Intel Core i7-4770 Processor | Solid Multitasking Power | 8 MB cache for improved data retrieval efficiency | 4.6 |
| Intel Core i5-4590 Processor | Balanced Mid-Range Choice | Certified Refurbished status ensures functionality and inspection. | 4.3 |
| Intel Core i5-4590S Processor | Efficient Power Consumption | Efficient power consumption design | 4.9 |
| Intel Core i7-4790 Processor 3.6GHz 8MB LGA 1150 CPU | Professional Grade Speed | High 3.6GHz base clock speed for responsive computing. | 4.4 |
| Intel Core i5-4460 Processor | Budget Friendly Upgrade | Intel Turbo Boost Technology 2.0 for adaptive performance scaling | 4.7 |
| Intel Core i5-4570 Processor | Standard Desktop Performance | Standard 3.2GHz clock speed suitable for general desktop applications. | 4.8 |
| Intel Core i5-4570S Processor | Cooler Running Efficiency | Energy-efficient S-series design for lower power consumption. | 4.6 |
How We Chose
When evaluating processors for the LGA 1150 socket, we prioritize performance metrics that directly impact system responsiveness and longevity. An experienced reviewer examines the balance between base clock speeds and thermal output, ensuring that the chosen CPU aligns with the power delivery capabilities of legacy motherboards while meeting specific user performance goals.
- Clock speed and Turbo Boost frequency
- Core and thread count for multitasking
- Unlocked multiplier availability for overclocking
- Thermal design power and cooling requirements
- Compatibility with Z87 and Z97 motherboard chipsets
1 Intel Core i7-4790K Processor — Top Performance for LGA 1150
The Intel Core i7-4790K Processor is built for users seeking to maximize the potential of the FCLGA1150 socket architecture. This model distinguishes itself with an unlocked clock multiplier, providing the flexibility required for those looking to adjust performance parameters beyond factory settings.
Engineered for efficiency in media-heavy workflows, the processor integrates Quick Sync Video technology. This feature is specifically designed to accelerate video conversion tasks, reducing wait times during encoding and decoding processes. It also supports Intel Rapid Storage Technology, which assists in managing data access and system responsiveness when multiple storage drives are utilized.
With an 8MB cache, this processor balances high-speed data retrieval with the computational demands of the LGA 1150 platform. Its design focuses on delivering consistent throughput for intensive applications, making it a staple for systems built on this specific socket standard.
While this processor offers significant utility for the FCLGA1150 ecosystem, users should ensure their motherboard chipset and cooling solution are compatible with the thermal and power requirements of an unlocked K-series chip. Proper thermal management is essential to maintain stability during extended high-load operations.
Best for: Enthusiasts and power users operating on the FCLGA1150 platform who require an unlocked processor for greater control over system performance.
Skip if: Users with motherboards that do not support the FCLGA1150 socket or those who do not intend to utilize overclocking features.
- Unlocked clock multiplier for performance tuning
- Quick Sync Video for faster media processing
- Intel Rapid Storage Technology support for improved drive management
- Requires compatible FCLGA1150 motherboard
- Demands adequate cooling due to unlocked performance profile
2 Intel Core i5-4690K Processor — Best Value for Overclockers
Optimizing a legacy system often requires finding a balance between thermal efficiency and raw processing power. The Intel Core i5-4690K Processor serves this role for LGA 1150 socket motherboards, offering a base clock speed of 3.5 GHz that provides a reliable foundation for various computing tasks.
This processor features 4 cores and 4 threads, allowing for efficient multitasking within the constraints of the 1150 platform. It integrates Intel HD Graphics 4600, which operates at a frequency of 1200 MHz, providing a baseline for visual output without requiring a dedicated graphics card for standard desktop operations.
For performance management, the unit utilizes Intel Turbo Boost Technology 2.0. This dynamic acceleration feature allows the processor to adjust its frequency based on workload demands, helping to maintain responsiveness during intensive applications. Additionally, the inclusion of 6MB Intel Smart Cache assists in reducing latency by keeping frequently accessed data closer to the execution cores.
Designed for the LGA 1150 socket, this model is a specific choice for users maintaining or upgrading existing hardware configurations. Its architecture is built to handle standard productivity and multimedia tasks, making it a functional component for those working within the established parameters of this specific processor generation.
Best for: Users looking to upgrade or maintain an existing LGA 1150 socket motherboard with a reliable quad-core processor.
Skip if: Users requiring modern instruction sets, higher core counts for heavy multi-threaded workloads, or compatibility with newer motherboard sockets.
- 4 cores and 4 threads for efficient multitasking.
- Integrated Intel HD Graphics 4600 for basic visual tasks.
- Intel Turbo Boost Technology 2.0 for dynamic frequency adjustment.
- 6MB Intel Smart Cache to improve data access speeds.
- LGA 1150 socket limitation restricts compatibility to older motherboard generations.
- Fixed core architecture lacks the multi-threaded performance of modern processors.
3 Intel Core i7-4790 Processor — Reliable High-End Computing
The Intel Core i7-4790 Processor serves as a high-performance upgrade for systems built on the LGA 1150 socket architecture. By integrating Intel Turbo Boost technology, this processor dynamically increases its operating frequency when the workload demands additional speed, providing a responsive experience for demanding computing tasks.
Efficiency is a core component of this model, featuring Quick Sync Video to accelerate video conversion processes. For data management, the unit supports Intel Rapid Storage Technology, which enhances performance and power efficiency for connected storage drives. These features combine to streamline media-heavy workflows and general system responsiveness.
Security and system integrity are addressed through Intel Device Protection with Boot Guard and Intel IPT with PKI, which provide hardware-level safeguards. These integrated security features help protect the system environment from the moment of startup, ensuring a more secure foundation for your daily operations.
Compatibility is a primary consideration for this processor, as it is designed for Z87 and Z97 motherboards. Users operating on Z87 platforms should verify if a BIOS update is required to ensure full functionality. Note that this specific processor is not compatible with proprietary Intel-branded motherboards, so users should confirm their current hardware configuration before installation.
Best for: Users looking to maximize the performance of an existing LGA 1150 motherboard setup.
Skip if: Users building a new system on modern socket architectures or those requiring compatibility with proprietary Intel motherboards.
- LGA 1150 socket compatibility for legacy system upgrades
- Intel Turbo Boost technology for dynamic performance scaling
- Quick Sync Video support for faster media processing
- Integrated hardware-level security features
- BIOS update may be required for Z87 motherboard compatibility
- Not compatible with Intel-branded motherboards
4 Intel Core i7-4770 Processor — Solid Multitasking Power
The Intel Core i7-4770 Processor provides a reliable foundation for desktop computing, featuring a base clock speed of 3.4 GHz designed to handle demanding multitasking requirements. This quad-core unit is engineered for the LGA 1150 socket, offering a balance of processing efficiency and thermal management for standard workstation tasks.
Equipped with 8 MB of cache, this processor facilitates faster data access for frequently used instructions, which helps maintain system responsiveness during intensive operations. The architecture is optimized for consistent performance, making it a functional choice for users looking to maintain or upgrade existing systems compatible with the LGA 1150 interface.
As a renewed component, this processor includes a 90-day limited warranty, providing a level of assurance for those sourcing hardware for legacy builds or secondary machines. Its compact physical dimensions ensure it remains compatible with standard desktop configurations without requiring specialized cooling clearances beyond typical expectations for this socket type.
While it serves as a capable processor for general computing and multitasking, users should verify their motherboard's BIOS compatibility with the LGA 1150 socket before installation. This model focuses on delivering stable, multi-core performance rather than the specialized overclocking features found in newer, more expensive enthusiast-grade silicon.
Best for: Users looking to upgrade or maintain desktop systems built on the LGA 1150 socket architecture.
Skip if: Users requiring modern features like DDR5 memory support or the latest PCIe standards, which are not supported by this older processor generation.
- 8 MB cache for improved data retrieval efficiency
- Solid 3.4 GHz clock speed for reliable multitasking
- 90-day limited warranty included with the renewed unit
- LGA 1150 socket compatibility limits use to older motherboard platforms
5 Intel Core i5-4590 Processor — Balanced Mid-Range Choice
The Intel Core i5-4590 Processor serves as a specialized solution for users looking to maintain or upgrade existing desktop systems built on the LGA 1150 socket architecture. As a Certified Refurbished component, this unit undergoes a rigorous process of functionality testing, basic cleaning, and inspection to ensure it operates reliably, providing a cost-effective path to extend the lifespan of older hardware without requiring a complete system overhaul.
Engineered for versatility, this processor integrates Intel Rapid Storage Technology and Quick Sync Video. These features are particularly beneficial for users who perform media-heavy workflows, as Quick Sync Video facilitates faster video conversion tasks by utilizing dedicated hardware acceleration. This allows the CPU to handle intensive encoding processes more efficiently, reducing the load on the system during multimedia production.
Compatibility is a critical factor for this processor, as it is designed specifically for Z87 and Z97 motherboards. Users currently operating on a Z87 platform should be aware that a BIOS update may be required to ensure full compatibility and system stability upon installation. This step is essential for the motherboard to correctly recognize and manage the processor's power and performance states.
As a refurbished item, the processor arrives with all relevant accessories and is backed by a 90-day limited warranty, offering a layer of assurance for the buyer. While it may arrive in generic packaging, the core functionality remains consistent with original specifications, making it a practical choice for those who need to replace a failed CPU or perform a modest performance upgrade on a functional LGA 1150 build.
Best for: Users looking to maintain or upgrade existing desktop systems built on the LGA 1150 socket platform.
Skip if: Users building a modern PC with current-generation motherboard sockets or those requiring the latest processor architectures.
- Certified Refurbished status ensures functionality and inspection.
- Includes a 90-day limited warranty for peace of mind.
- Integrated Quick Sync Video for efficient media processing.
- Direct compatibility with Z87 and Z97 motherboards.
- Requires BIOS update for specific Z87 motherboard configurations.
- LGA 1150 socket is limited to older motherboard generations.
6 Intel Core i5-4590S Processor — Efficient Power Consumption
The Intel Core i5-4590S Processor is engineered for systems where power efficiency is a priority, offering a balanced approach to computing performance within the LGA 1150 socket ecosystem. This specific model features a 6M cache and operates at speeds up to 3.70 GHz, providing a reliable foundation for standard desktop tasks and multitasking. By focusing on a lower power draw, this processor allows for quieter and cooler operation in compact or energy-conscious builds.
Designed with a focus on thermal and power management, this processor integrates into compatible motherboards to deliver consistent operation. Its architecture supports the technical requirements of the 1150 platform, ensuring that users can maintain productivity without excessive power draw. The 'S' series designation signifies a power-optimized design, which is ideal for environments where heat dissipation or electricity consumption is a primary concern for the system builder.
When selecting a processor for an existing build, verifying motherboard compatibility with the LGA 1150 socket is essential. The Intel Core i5-4590S Processor serves as a functional component for those looking to maintain or upgrade their current hardware configuration with a proven, stable processing unit. While it provides excellent efficiency for daily computing, users should note that the power-optimized nature of this chip limits its headroom for manual overclocking compared to unlocked 'K' series models.
This processor represents a practical choice for extending the life of legacy hardware. By utilizing the existing LGA 1150 infrastructure, users can achieve reliable performance without the need for a complete platform overhaul. The combination of the 6M cache and efficient clock speeds ensures that the system remains responsive for general office applications, media consumption, and standard multitasking scenarios.
Best for: Users seeking an energy-efficient processor for an existing LGA 1150 socket motherboard.
Skip if: Users requiring high-performance overclocking capabilities or those building on a newer, incompatible motherboard socket.
- Efficient power consumption design
- Reliable 6M cache for improved data access
- Compatible with standard LGA 1150 socket motherboards
- Limited overclocking potential due to the 'S' series power-optimized design
7 Intel Core i7-4790 Processor 3.6GHz 8MB LGA 1150 CPU — Professional Grade Speed
Upgrading an aging desktop requires a careful balance of raw clock speed and efficient resource management. The Intel Core i7-4790 Processor 3.6GHz 8MB LGA 1150 CPU serves as a high-performance anchor for LGA 1150 socket motherboards, providing a reliable 3.6GHz base frequency that handles demanding computational tasks with ease. This processor is built to extend the utility of existing hardware, offering a stable foundation for users who need to maintain professional-grade computing performance without migrating to an entirely new platform.
Performance is bolstered by Intel Turbo Boost 2.0 Technology, which dynamically scales the operating frequency during intensive workloads to provide extra headroom when needed. For professional environments, the inclusion of Intel vPro Technology and Intel Virtualization Technology (VT-x) provides the necessary hardware-level support for secure, efficient multitasking and the creation of virtualized environments. These features ensure that the processor remains relevant for workflows that require robust security and reliable resource isolation.
Power efficiency is managed through Enhanced Intel SpeedStep Technology, which intelligently adjusts voltage and frequency based on the current processing load to minimize energy consumption. Furthermore, the chip utilizes Intel 64 Architecture, ensuring full compatibility with modern 64-bit software environments. Measuring 3.94 by 3.94 inches, this OEM component is designed for straightforward integration into compatible builds, offering a practical trade-off: it delivers significant processing power for established systems while requiring the user to source a separate cooling solution, as this is an OEM-packaged unit.
Best for: Users looking to maximize the performance of an existing LGA 1150 motherboard with a high-clock-speed processor.
Skip if: Users building a new system on a modern motherboard platform that requires a different CPU socket type.
- High 3.6GHz base clock speed for responsive computing.
- Intel Turbo Boost 2.0 Technology for dynamic frequency scaling.
- Intel vPro and Virtualization Technology support for professional workflows.
- Enhanced Intel SpeedStep Technology for optimized power efficiency.
- LGA 1150 socket limitation restricts use to older motherboard generations.
- OEM packaging typically lacks an included cooling solution.
8 Intel Core i5-4460 Processor — Budget Friendly Upgrade
The Intel Core i5-4460 Processor provides a stable foundation for LGA 1150 socket systems, utilizing Intel Turbo Boost Technology 2.0 to dynamically increase clock speeds when the workload demands additional processing power. This model serves as a functional choice for those maintaining or upgrading existing hardware within the Haswell architecture ecosystem.
Engineered with integrated support for Intel Virtualization Technology (VT-x), this processor allows for efficient hardware abstraction, which is beneficial for running multiple operating systems or virtual environments simultaneously. The inclusion of Intel Anti-Theft Technology adds a layer of hardware-based security designed to protect data in the event of unauthorized access or hardware loss.
The physical design of the Intel Core i5-4460 Processor is compact, measuring approximately 4.6 by 4.6 by 3.4 inches and weighing only 0.06 pounds. As a standalone CPU, it requires a compatible motherboard with an LGA 1150 socket and an appropriate cooling solution, as the unit is supplied as the processor chip only.
When integrating this component, ensure your motherboard BIOS is updated to support the specific microarchitecture of this generation. While it offers reliable performance for standard computing tasks, users should verify their system's thermal management capabilities to maintain optimal operating temperatures under load.
Best for: Users looking to replace or upgrade a CPU in an existing LGA 1150 socket motherboard.
Skip if: Users building a modern system who require support for newer socket types, DDR5 memory, or the latest PCIe standards.
- Intel Turbo Boost Technology 2.0 for adaptive performance scaling
- Intel Virtualization Technology (VT-x) support for virtual environments
- Intel Anti-Theft Technology for enhanced hardware security
- Standardized LGA 1150 socket compatibility
- Requires separate cooling solution as it is a CPU-only package
- Limited to legacy LGA 1150 motherboard platforms
9 Intel Core i5-4570 Processor — Standard Desktop Performance
The Intel Core i5-4570 Processor offers a reliable foundation for desktop computing, utilizing the LGA 1150 socket architecture to deliver consistent processing speeds. This unit operates at a base frequency of 3.2GHz and includes 6MB of cache, providing a stable baseline for standard office tasks and general computing workloads.
Designed for integration into compatible desktop systems, this processor features a compact physical footprint measuring approximately 1 inch in height and 4 inches in width and length. As an OEM component, it is a straightforward choice for those looking to maintain or upgrade existing hardware configurations that rely on the LGA 1150 interface.
Users should note that this specific unit is provided as a renewed component, backed by a 90-day limited warranty. Its design prioritizes standard desktop performance, making it a practical selection for basic system builds where high-end overclocking or extreme multi-threaded performance is not the primary requirement.
When installing this processor, ensure that your motherboard is explicitly compatible with the LGA 1150 socket type. Because this is an OEM part, it is intended for users who have the necessary cooling solutions and thermal management hardware already on hand, as these are typically not included with the processor itself.
Best for: This processor is best for users performing standard desktop computing tasks on systems requiring an LGA 1150 socket.
Skip if: Skip this processor if you require modern high-performance architecture, integrated cooling solutions, or a full manufacturer retail warranty.
- Standard 3.2GHz clock speed suitable for general desktop applications.
- Utilizes the widely available LGA 1150 socket interface.
- Includes 6MB of cache to assist with data processing efficiency.
- Renewed status with a limited 90-day warranty.
- OEM packaging typically lacks included cooling hardware.
10 Intel Core i5-4570S Processor — Cooler Running Efficiency
The Intel Core i5-4570S Processor is designed for users seeking a balance of computing power and energy efficiency, utilizing the LGA 1150 socket architecture. This desktop CPU features a base clock speed of 2.9 GHz, with a maximum turbo frequency of 3.6 GHz to handle demanding tasks when needed.
Equipped with 4 cores and 6 MB of Intel Smart Cache, this processor provides reliable multi-tasking capabilities for standard desktop applications. The integrated Intel HD Graphics 4600 eliminates the immediate requirement for a dedicated graphics card in basic display setups, making it a versatile choice for compact or power-conscious builds.
As a renewed component, this unit offers a practical solution for maintaining or upgrading systems compatible with the LGA 1150 socket. Its 'S' designation indicates a focus on power efficiency, which is beneficial for systems where thermal management and lower power consumption are prioritized over maximum overclocking headroom.
When integrating this processor, ensure your motherboard supports the LGA 1150 socket and that your cooling solution is adequate for the TDP of the i5-4570S. This model serves as a stable, efficient workhorse for general computing, office productivity, and home media use.
Best for: Users looking for an energy-efficient, 4-core processor for LGA 1150-based desktop systems.
Skip if: Users requiring high-performance overclocking capabilities or modern features found in newer socket generations.
- Energy-efficient S-series design for lower power consumption.
- Integrated Intel HD Graphics 4600 for basic display output.
- Reliable 4-core performance for standard desktop tasks.
- Compatible with the widely available LGA 1150 socket.
- Limited upgrade path due to the older LGA 1150 socket standard.
- Lower base clock speed compared to non-S variants.
Best 1150 Processor Buying Guide
Understanding Socket Compatibility
The LGA 1150 socket supports a wide range of Intel's fourth-generation processors, but compatibility is not universal across all motherboards. While most CPUs will physically fit, older chipsets like the Z87 may require a BIOS update to successfully recognize and operate newer 'Haswell Refresh' models.
Always verify your motherboard's support list before purchasing a processor. Attempting to install an unsupported CPU can lead to boot failures or restricted performance, making it vital to confirm that your specific board can handle the power requirements of your chosen chip.
The Role of Unlocked Multipliers
Processors designated with a 'K' suffix feature an unlocked clock multiplier, allowing users to manually increase the CPU frequency beyond factory settings. This capability is highly sought after by enthusiasts looking to extract extra performance from their hardware, provided they have adequate cooling.
If you do not plan to overclock, standard or 'S' series processors offer a more cost-effective path. These chips are designed for stable operation at stock speeds, making them ideal for standard desktop builds where thermal management and power efficiency are the primary concerns.
Thermal Management and Power
High-performance processors like the i7-4790K generate significant heat under load, necessitating a robust cooling solution. A basic stock cooler may be insufficient for sustained high-frequency operation, so investing in a quality aftermarket air cooler or liquid cooling system is often recommended.
Power consumption also varies across the lineup, with 'S' series models specifically engineered for lower power draw. When upgrading, ensure your power supply unit has enough overhead to support the peak load of your new processor, especially if you are also running a dedicated graphics card.
Multitasking and Cache Capacity
The i7 series processors include hyper-threading, which allows them to handle more concurrent threads than the i5 series. This makes the i7 a superior choice for users engaged in video editing, heavy multitasking, or other resource-intensive applications that benefit from parallel processing.
Cache size is another critical factor, with the i7 models typically offering 8MB of Smart Cache compared to the 6MB found in most i5 variants. This larger cache helps reduce latency when accessing frequently used data, contributing to a smoother overall computing experience.
Renewed vs. New Hardware
Given that LGA 1150 processors are largely available as renewed or used units, condition and warranty coverage are paramount. Certified refurbished products often come with a 90-day warranty, providing a level of protection that individual secondary-market sales may lack.
When buying renewed, inspect the CPU pins and heat spreader for signs of damage or excessive wear. While these chips are generally durable, proper handling during installation is critical to ensure the long-term reliability of your upgraded system.
Frequently Asked Questions
Can I use an i7-4790K on any LGA 1150 motherboard?
While it fits the socket, you must ensure your motherboard's BIOS is updated to support the Haswell Refresh architecture. Check your manufacturer's website for compatibility lists.
What is the difference between the K and non-K models?
The K models feature an unlocked multiplier, allowing for manual overclocking. Non-K models are locked to their factory-set speeds and are better suited for standard, non-overclocked systems.
Do I need a new cooler for these processors?
If you are upgrading to a high-performance chip like the i7-4790K, especially for overclocking, an aftermarket cooler is highly recommended to maintain safe operating temperatures.
Are these processors still good for modern gaming?
They remain capable for many titles, but performance will be limited compared to modern platforms. They are best suited for budget builds or extending the life of an existing LGA 1150 system.
What does the S suffix mean in Intel processors?
The S suffix denotes power-optimized processors that operate at lower power levels, making them ideal for compact or energy-efficient builds where thermal output is a concern.
Conclusion: Our Top Pick
Our top pick is Intel Core i7-4790K Processor. Choosing the right processor for your LGA 1150 system depends largely on your specific performance needs and your willingness to manage thermal output. For those seeking the best overall performance, the i7-4790K remains the clear leader, while the i5-4690K offers excellent value for those interested in overclocking.
Before finalizing your purchase, verify your motherboard's BIOS compatibility and ensure your cooling solution is adequate for your chosen chip. With the right selection, these processors can provide a significant performance boost to your legacy desktop setup.