The Intel Core i7-4790 Processor is our top choice for the Best 1150 CPU, offering the highest clock speeds and multi-threaded performance available for the LGA 1150 socket. For users prioritizing a balance between cost and daily productivity, the Intel Core i7-4770 Processor serves as a reliable alternative, while the Intel Core i5-4590 Processor provides a more budget-conscious option for standard computing tasks.
Selecting a processor for an aging platform requires careful attention to thermal management and motherboard compatibility. Because these CPUs rely on specific chipsets like the Z87 or Z97, verifying your BIOS version is essential to ensure the processor functions correctly upon installation.
Beyond raw processing power, consider the thermal output of your chosen chip. High-performance models benefit from robust air cooling, which helps maintain stability during sustained workloads and prevents thermal throttling in compact desktop cases.
If you are looking to improve graphical performance in your legacy build, our guide on the Best 1150 Chipset GPU Card can help you select a compatible graphics card that pairs well with these older processors.

10 Best 1150 CPU in 2026 Reviews
Quick Comparison
| Product | Best For | Key Strength | Score |
|---|---|---|---|
| Intel Core i7-4790 Processor | Best Overall | High-performance upgrade for LGA 1150 socket systems. | 4.9 |
| Intel Core i7-4770 Processor | Reliable quad-core processing power | Reliable quad-core processing power for standard desktop tasks. | 4.9 |
| Intel Core i5-4590 Processor | Balanced efficiency for daily tasks | LGA 1150 socket compatibility for legacy systems | 4.6 |
| Intel Core i5-4460 Processor | Budget-friendly quad-core option | Intel Turbo Boost Technology 2.0 for dynamic performance scaling | 4.8 |
| MACHINIST H81 Motherboard | Essential foundation for 4th Gen | Supports a broad range of Intel 4th Gen and Xeon E3/V3 processors. | 4.4 |
| Thermalright Peerless Assassin 120 SE | High-performance dual-tower cooling | Dual-tower design for increased heat dissipation surface area. | 4.9 |
| Thermalright Assassin X120 Refined SE | Quiet cooling with vibrant lighting | AGHP technology minimizes gravity-related performance loss in different orientations. | 4.5 |
| Thermalright AXP-90 X53 Cooler | Low-profile fit for compact builds | Compact 53mm height ideal for small form factor builds. | 4.4 |
| HIGH POWER LGA-115x-mITX Cooler | Ultra-slim design for small cases | Ultra-slim 27.3mm profile fits into restricted 1U and small-form-factor cases. | 4.6 |
| Thermaltake UX150-L ARGB Cooler | Stylish cooling with infinity mirror | Low-profile 75.6mm height ideal for SFF builds. | 4.7 |
How We Chose
Evaluating processors for the LGA 1150 platform requires a focus on practical longevity and system stability. We assess these CPUs based on their ability to handle modern software demands, their thermal efficiency, and the necessity of specific motherboard firmware updates to ensure seamless integration into legacy desktop builds.
- Socket compatibility with existing LGA 1150 motherboards
- Clock speed and core count for multi-tasking efficiency
- Thermal design power (TDP) and cooling requirements
- Integrated graphics capabilities and video processing support
- BIOS update requirements for specific chipset generations
1 Intel Core i7-4790 Processor — Top-tier performance for LGA 1150
Upgrading an aging desktop system often hinges on finding a processor that maximizes the potential of existing hardware without requiring a complete platform overhaul. The Intel Core i7-4790 Processor serves as a high-performance solution for users operating on the LGA 1150 socket, offering a direct path to improved computing power for systems built on Z87 or Z97 motherboards.
This processor integrates several efficiency-focused technologies, including Intel Quick Sync Video for accelerated video conversion and Intel Rapid Storage Technology to streamline data management. The inclusion of Intel Turbo Boost technology allows the unit to dynamically adjust its clock speed to meet demanding workloads, providing a responsive experience for multitasking or intensive applications.
Compatibility is a primary consideration for this model. While it is designed for the LGA 1150 interface, users with Z87 motherboards should verify if a BIOS update is required to ensure proper system recognition. It is important to note that this specific processor is not compatible with proprietary Intel-branded motherboards, so verifying your current system's motherboard specifications is a necessary step before installation.
Beyond its processing capabilities, the unit features Intel Device Protection with Boot Guard and Intel IPT with PKI, which are designed to enhance system security at the hardware level. With a 90-day limited warranty, this renewed component provides a functional upgrade path for those looking to extend the utility of their current hardware configuration.
Best for: Users looking to maximize the performance of an existing LGA 1150 motherboard setup without replacing the entire system.
Skip if: Users building a new system or those with proprietary Intel motherboards that are incompatible with this processor.
- High-performance upgrade for LGA 1150 socket systems.
- Intel Quick Sync Video for faster media processing.
- Intel Turbo Boost technology for dynamic performance scaling.
- Includes Intel Device Protection features for enhanced security.
- BIOS update may be required for Z87 motherboard compatibility.
- Not compatible with Intel-branded motherboards.
2 Intel Core i7-4770 Processor — Reliable quad-core processing power
The Intel Core i7-4770 Processor offers a reliable foundation for systems built on the LGA 1150 socket, providing a quad-core architecture designed to handle standard desktop computing tasks. With a base clock speed of 3.4 GHz, this processor balances responsiveness with consistent power delivery for daily productivity.
Equipped with an 8 MB cache, the Intel Core i7-4770 Processor efficiently manages data throughput to minimize latency during multitasking. This processor is a practical choice for those maintaining or upgrading existing hardware that requires the specific LGA 1150 interface, ensuring compatibility with established motherboard configurations.
The unit arrives in retail packaging and includes a 90-day limited warranty, providing a clear window for verification upon installation. Its compact dimensions of 1.48 inches in height and length make it a straightforward component to integrate into standard desktop chassis designs.
When selecting a CPU, it is essential to confirm that your current motherboard features the LGA 1150 socket, as this processor is not compatible with newer or different socket types. This model serves as a stable, evidence-based solution for users looking to maximize the utility of their current 1150-based computing environment.
Best for: Users looking to maintain or upgrade existing desktop systems built on the LGA 1150 socket architecture.
Skip if: Users building a modern system with a newer motherboard socket, as this processor is not compatible with current-generation platforms.
- Reliable quad-core processing power for standard desktop tasks.
- Efficient 8 MB cache to support multitasking performance.
- Standardized LGA 1150 socket compatibility for legacy systems.
- Limited socket compatibility restricted to LGA 1150 motherboards.
- 90-day limited warranty period is shorter than new retail components.
3 Intel Core i5-4590 Processor — Balanced efficiency for daily tasks
Upgrading an older workstation or home office PC often requires finding reliable hardware that maintains compatibility with existing infrastructure. The Intel Core i5-4590 Desktop CPU Processor- SR1QJ (Renewed) offers a specific path for users operating on the LGA 1150 socket, providing a functional solution for those looking to extend the life of their current computing setup.
This processor is designed to integrate with Z87 and Z97 motherboard architectures, though users on Z87 platforms should verify if a BIOS update is required for proper recognition. As a certified refurbished unit, it undergoes a rigorous process including functionality testing and inspection to ensure it performs as intended, backed by a 90-day limited warranty.
Beyond basic processing, the chip includes Intel Rapid Storage Technology and Quick Sync Video, which assists in accelerating video conversion tasks. These features provide a practical benefit for users who perform light media editing or require efficient data management within their existing system constraints.
When considering this component, it is important to remember that it is a specialized part for a specific socket generation. Because it is a refurbished item, it may arrive in generic packaging, but it includes all necessary accessories for installation. It remains a focused choice for those maintaining legacy hardware rather than building a new high-performance machine.
Best for: Users looking to replace or upgrade a processor on an existing LGA 1150 motherboard.
Skip if: Users building a modern system with newer socket standards or those requiring the latest high-performance architecture.
- LGA 1150 socket compatibility for legacy systems
- Includes Quick Sync Video for faster media processing
- Certified Refurbished with functionality testing and 90-day warranty
- Requires BIOS updates on some Z87 motherboards
- Legacy architecture limits future upgrade paths
4 Intel Core i5-4460 Processor — Budget-friendly quad-core option
The Intel Core i5-4460 Processor is a quad-core component designed for the LGA 1150 socket, offering a balanced approach for standard computing tasks. This model integrates Intel Turbo Boost Technology 2.0, which dynamically increases the processor's frequency when the workload demands additional speed, providing a responsive experience during intensive operations.
Engineered with a focus on security and virtualization, the processor includes Intel Virtualization Technology (VT-x), allowing a single hardware platform to function as multiple virtual platforms. This feature is particularly useful for users who need to run multiple operating systems or isolated applications simultaneously without compromising system stability.
For enhanced security, the chip incorporates Intel Anti-Theft Technology. This hardware-based feature is designed to help protect data and system integrity by providing mechanisms to disable access to the device if it is reported lost or stolen. The processor maintains a compact form factor, measuring 4.6 by 4.6 by 3.4 inches, making it a straightforward integration for compatible LGA 1150 motherboards.
As a budget-friendly quad-core option, this CPU provides the necessary processing power for general multitasking and productivity software. While it lacks the overclocking capabilities found in higher-tier 'K' series models, it offers reliable performance for users operating within the constraints of the LGA 1150 ecosystem.
Best for: Users looking for a reliable, budget-friendly quad-core processor for standard desktop computing on an existing LGA 1150 motherboard.
Skip if: Users requiring high-end overclocking capabilities or those building a system on a newer motherboard socket architecture.
- Intel Turbo Boost Technology 2.0 for dynamic performance scaling
- Intel Virtualization Technology (VT-x) support for efficient multitasking
- Intel Anti-Theft Technology for improved hardware security
- LGA 1150 socket limitation restricts compatibility with modern motherboard standards
- No overclocking support for users seeking to push performance beyond base specifications
5 MACHINIST H81 Motherboard — Essential foundation for 4th Gen
The MACHINIST H81 Motherboard serves as a specialized foundation for users looking to maintain or build systems around Intel's 4th generation processors. This Micro ATX board utilizes the H81 chipset to support a wide range of LGA 1150 CPUs, including Core i3, i5, i7, and Xeon E3/V3 series, making it a practical choice for repurposing older hardware.
Engineered for functional connectivity, the board features an NVME M.2 slot for faster storage access and a PCIe X16 interface capable of 8GB/s bandwidth. It includes dual-channel DDR3 memory slots that support up to 16GB of RAM, providing sufficient capacity for standard desktop computing tasks. The integration of a Gigabit Ethernet port and HDMI/VGA display outputs ensures compatibility with various networking and monitor setups.
The design prioritizes utility, offering a Realtek ALC662 audio chip for 4-channel sound. Users should note that the package includes a SATA cable and I/O baffle, but requires the separate purchase of a CR2032 CMOS battery. Because no manual is included, the manufacturer recommends downloading documentation from the product page and utilizing a Windows 10 environment for driver installation.
When setting up the system, the board provides specific troubleshooting guidance for power and display issues. If the system fails to boot, verifying CPU and memory seating or clearing the CMOS are the primary diagnostic steps. This board is best suited for those comfortable with manual assembly and basic system troubleshooting.
Best for: Users looking to build or repair a desktop PC using Intel 4th generation LGA 1150 processors.
Skip if: Users requiring modern features like DDR4/DDR5 memory support, PCIe 4.0/5.0, or compatibility with current-generation CPUs.
- Supports a broad range of Intel 4th Gen and Xeon E3/V3 processors.
- Includes an NVME M.2 slot for modern storage integration.
- Compact Micro ATX form factor fits standard desktop cases.
- Features dual-channel DDR3 memory support up to 16GB.
- Requires separate purchase of a CR2032 battery.
- No printed manual included in the package.
6 Thermalright Peerless Assassin 120 SE — High-performance dual-tower cooling
Maintaining optimal thermal management for an Intel LGA 1150 processor requires a balance of airflow and heat dissipation. The Thermalright Peerless Assassin 120 SE addresses this through a dual-tower aluminum heatsink design, specifically engineered to maximize surface area for heat transfer while maintaining a compact footprint.
At the core of its cooling performance are 6 pure copper sintered heat pipes that utilize AGHP (Anti-Gravity Heat Pipe) technology. This design is intended to mitigate the inverse gravity effect, ensuring consistent thermal conductivity regardless of whether the cooler is mounted in a vertical or horizontal orientation. The unit includes a pure copper base to facilitate efficient contact with the CPU integrated heat spreader.
The cooling system is supported by dual TL-C12C 120mm PWM fans capable of reaching speeds up to 1550RPM. These fans are rated for a maximum airflow of 66.17CFM while maintaining a noise level of ≤25.6dB(A). The slim profile of the dual-tower assembly is designed to provide clearance for memory modules, preventing common installation conflicts with taller RAM sticks.
Installation is supported by a set of metal fasteners compatible with multiple sockets, including Intel LGA 1150, 1151, 1200, 1700, and 1851, as well as AMD AM4 and AM5. Users should verify the dimensions of their specific PC case and motherboard layout to ensure the 155mm height of the cooler fits within the chassis constraints.
Best for: Users seeking a high-performance dual-tower air cooler that balances thermal efficiency with memory clearance compatibility.
Skip if: Users with compact small-form-factor cases that cannot accommodate a 155mm tall dual-tower heatsink.
- Dual-tower design for increased heat dissipation surface area.
- AGHP technology prevents performance degradation in different orientations.
- PWM fan control allows for adjustable airflow based on thermal load.
- Memory clearance design avoids interference with RAM modules.
- Large physical footprint may not fit in all PC cases.
- AMD installation requires the use of the motherboard's original backplate.
7 Thermalright Assassin X120 Refined SE — Quiet cooling with vibrant lighting
Maintaining optimal thermal management for an LGA 1150 processor requires a balance of efficient heat dissipation and manageable physical dimensions. The Thermalright Assassin X120 Refined SE addresses this through its compact 148mm height, making it a viable candidate for users working within medium-sized computer cases.
At the core of its cooling performance is the AGHP technique, which utilizes four 6mm heat pipes designed to mitigate the inverse gravity effect regardless of whether the cooler is oriented vertically or horizontally. This engineering choice allows the unit to support a broad TDP range of 125W to 225W, providing substantial headroom for various CPU configurations.
The cooling assembly is paired with a TL-C12C-S PWM fan, which features a 120mm diameter and an operational speed of 1550 RPM. This fan is rated for a noise level of 25.6dB(A) or lower, aiming to balance airflow—up to 66.17CFM—with quiet operation. The integrated ARGB lighting provides a customizable aesthetic, while the 4-pin PWM connection ensures precise speed control based on system temperatures.
Installation is supported by included metal fasteners compatible with multiple platforms, including Intel LGA 1150, 1151, 1155, 1200, 1700, and 1851, as well as AMD AM4 and AM5 sockets. Constructed with an aluminum heatsink and utilizing S-FDB bearings for the fan, the unit is built for an industrial service life of up to 20,000 hours.
Best for: Users seeking a compact, ARGB-equipped air cooler that fits in medium-sized cases while supporting a wide range of Intel and AMD sockets.
Skip if: Users with ultra-compact small form factor cases that cannot accommodate a 148mm tall cooler or those requiring extreme cooling performance for high-TDP overclocked processors.
- AGHP technology minimizes gravity-related performance loss in different orientations.
- Compact 148mm height increases compatibility with medium-sized chassis.
- PWM fan control allows for a balance between airflow and noise levels.
- Broad socket support including Intel LGA 1150 and modern AMD platforms.
- Height constraint may still be too tall for some specialized low-profile cases.
8 Thermalright AXP-90 X53 Cooler — Low-profile fit for compact builds
Managing thermal output in space-constrained PC builds requires a precise balance between physical dimensions and cooling efficiency. The Thermalright AXP-90 X53 Cooler addresses this by providing a dedicated low-profile solution that stands at just 53mm in total height, making it a viable candidate for compact chassis configurations where standard tower coolers cannot fit.
Engineered with an all-metal platform, this cooler utilizes a secondary reflow soldering process to ensure structural integrity and effective heat transfer. It features four 6mm heat pipes designed to move thermal energy away from the processor efficiently. The unit includes a 90mm TL-9015 PWM fan, which operates with a noise level of 22.4 dBA or less, maintaining a focus on quiet operation during standard use.
Compatibility is a primary consideration for this model, as it supports a variety of platforms including Intel LGA 1150, 1151, 1155, 1200, 1851, and AMD AM4. The inclusion of a back plate fastener provides a secure mounting mechanism, ensuring the cooler remains stable once installed. With a maximum current draw of 0.2A at 12V, it is designed to integrate into standard motherboard power headers without requiring additional power management.
While this cooler excels in tight spaces, its performance is inherently tied to its compact 53mm profile. Users should verify that their motherboard layout and RAM clearance are compatible with this specific low-profile footprint to avoid interference with adjacent components.
Best for: Small form factor PC builders who need a low-profile cooling solution that fits within a 53mm height constraint.
Skip if: Users with high-TDP processors or large tower cases where a full-sized air cooler or liquid cooling system would provide superior thermal headroom.
- Compact 53mm height ideal for small form factor builds.
- Quiet operation with a maximum noise level of 22.4 dBA.
- Secure mounting via the included back plate fastener.
- Broad compatibility across multiple Intel and AMD sockets.
- Limited thermal mass compared to larger tower coolers.
9 HIGH POWER LGA-115x-mITX Cooler — Ultra-slim design for small cases
Managing thermal output in a compact PC build requires a precise balance between airflow and physical clearance. The HIGH POWER LGA-115x-mITX Cooler addresses this by offering a low-profile design that sits just 27.3mm above the processor contact point, making it a viable candidate for tight 1U server chassis or small-form-factor builds.
Engineered for versatility, this cooler supports a wide array of Intel sockets, including LGA 1156, 1155, 1151, 1150, and 1200. It features a 4-pin PWM power connector that remains backward compatible with 3-pin motherboard headers, allowing for automated fan speed control between 1000 and 3000 RPM. This range provides an air flow capacity of 10.23 to 28.19 CFM to manage heat effectively within its 85W TDP rating.
The assembly includes an aluminum heat-sink, a quiet hydraulic bearing fan, and a motherboard back plate for secure mounting. To simplify the installation process, the manufacturer includes factory pre-applied thermal paste, ensuring consistent thermal interface material application right out of the box.
Compliance with FCC, CE, and RoHS standards underscores the build quality of this cooling solution. By combining a compact footprint with essential mounting hardware and PWM control, the HIGH POWER LGA-115x-mITX Cooler provides a straightforward thermal management option for users working within restricted vertical space constraints.
Best for: Users building compact Mini-ITX or 1U server systems who require a low-profile cooling solution with a maximum height of 27.3mm.
Skip if: Users with high-TDP processors exceeding 85W or those prioritizing extreme overclocking, as this cooler is optimized for space-constrained, standard-load applications.
- Ultra-slim 27.3mm profile fits into restricted 1U and small-form-factor cases.
- Factory pre-applied thermal paste simplifies the installation process.
- PWM 4-pin connector allows for automated speed adjustment based on system temperature.
- Wide socket compatibility covering Intel LGA 1150 through 1200.
- 85W TDP limit restricts use with high-performance or enthusiast-grade processors.
- Small 80mm fan size may result in higher noise levels at maximum 3000 RPM speeds compared to larger cooling solutions.
10 Thermaltake UX150-L ARGB Cooler — Stylish cooling with infinity mirror
Maintaining optimal thermal performance in compact computer builds requires a cooling solution that balances height constraints with efficient heat dissipation. The Thermaltake UX150-L ARGB Cooler addresses this by integrating a copper base and aluminum fins into a low-profile design, measuring just 75.6mm in height to ensure it fits comfortably within small form factor (SFF) chassis.
Engineered for versatility, this cooler features a non-interference design that prevents overlap with memory modules, allowing for the use of various RAM kits without physical obstruction. The unit is optimized for Intel platforms, providing broad compatibility with LGA 1851, 1700, 1200, 1156, 1155, 1151, and 1150 sockets.
The cooling system is driven by a 130mm PWM fan capable of operating between 500 and 2400 RPM, which is supported by a hydraulic bearing to promote long-term reliability and reduced operational noise. With a 130W TDP rating, it provides sufficient thermal headroom for standard desktop configurations.
Aesthetic integration is achieved through an infinity mirror effect located at the center hub of the fan, which adds visual depth to the ARGB lighting. This combination of functional thermal management and stylized design makes it a practical choice for users seeking to upgrade their cooling without sacrificing space or visual appeal.
Best for: Users building in small form factor cases who need a low-profile cooler with wide Intel socket compatibility.
Skip if: Users with high-TDP processors exceeding 130W or those requiring a liquid cooling solution for extreme overclocking.
- Low-profile 75.6mm height ideal for SFF builds.
- Non-interference design ensures full clearance for memory modules.
- Wide Intel socket compatibility including LGA 1851 and 1150 series.
- Hydraulic bearing for quieter operation and improved reliability.
- 130W TDP limit restricts use with high-performance, power-hungry CPUs.
Best 1150 CPU Buying Guide
Socket Compatibility and Chipset Requirements
The LGA 1150 socket supports a range of 4th generation Intel processors, but compatibility is not universal across all motherboards. While the socket physical interface remains constant, the underlying chipset—such as Z87 or Z97—often dictates whether a specific CPU will boot without a firmware update.
Before purchasing, check your motherboard manufacturer's support page for the latest BIOS version. Many older boards require a specific update to recognize newer 4th generation refresh chips, which is a critical step to avoid a no-post scenario during your build.
Thermal Management for Legacy Builds
Older processors often operate at higher temperatures under load compared to modern counterparts. Selecting an appropriate CPU cooler is vital for maintaining performance, especially if you are repurposing a compact chassis with limited airflow.
Air coolers that utilize heat pipe technology are generally sufficient for these processors. Ensure the cooler height is compatible with your case dimensions, as some high-performance dual-tower designs may exceed the clearance available in smaller micro-ATX or ITX enclosures.
Integrated Graphics and Media Utility
Many LGA 1150 CPUs feature integrated graphics that support Intel Quick Sync Video. This hardware-accelerated feature remains useful for tasks like video conversion and transcoding, potentially reducing the need for a dedicated graphics card in non-gaming systems.
If you plan to use the system for basic media consumption or light office work, the integrated GPU is a significant advantage. However, for more demanding visual applications, a dedicated card will be necessary to offload processing from the CPU.
Balancing Performance and Power Efficiency
The i7 series processors offer the best multi-core performance for this socket, making them suitable for heavier multitasking. If your workload is primarily light, an i5 model may offer better power efficiency and lower heat output without a noticeable impact on daily responsiveness.
Consider the TDP of the processor when planning your power supply unit. While these chips are generally efficient, ensuring your power supply has sufficient headroom is a standard practice for long-term system reliability.
Refurbished Hardware Considerations
Since these processors are no longer in production, most available units are refurbished or used. Look for listings that specify testing and certification, as these often come with a limited warranty that provides a safety net for your purchase.
Always inspect the pins on your motherboard socket before installing a new CPU. Even a slightly bent pin can cause memory channel issues or prevent the system from booting, regardless of the processor's condition.
Frequently Asked Questions
Do I need to update my BIOS for an i7-4790?
Yes, if you are using an older Z87 motherboard, a BIOS update is frequently required to ensure compatibility with the i7-4790, as it is a refresh model.
Can I use these CPUs for modern gaming?
These processors can handle many games, but their performance will be limited by their age and lack of support for newer instruction sets. They are best suited for older titles or general productivity.
What is the best cooler for an LGA 1150 CPU?
A standard air cooler with heat pipes is sufficient. Models like the Thermalright Peerless Assassin or similar 120mm fan designs offer excellent thermal performance for these chips.
Are these processors compatible with DDR4 RAM?
No, LGA 1150 motherboards are designed for DDR3 memory. You cannot use DDR4 RAM with these processors.
Is the i7-4790 significantly faster than the i7-4770?
The i7-4790 has a higher base and boost clock speed compared to the i7-4770, providing a modest performance increase in CPU-intensive tasks.
Conclusion: Our Top Pick
Our top pick is Intel Core i7-4790 Processor. Choosing the right CPU for an LGA 1150 system depends on your specific performance needs and the current state of your motherboard. The i7-4790 remains the peak of this platform, offering the most headroom for demanding tasks, while the i5 options provide excellent value for everyday computing.
Always prioritize verifying your motherboard's BIOS compatibility and ensuring your cooling solution is adequate for the processor's thermal profile. With these factors addressed, you can effectively extend the life of your legacy hardware.