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Thermalright Peerless Assassin 120 SE CPU Cooler vs Intel i3/i5/i7 LGA115x CPU Heatsink-Intel CPU Cooler Aluminum Heatsink for LGA12

Updated August 2026The Thermalright Peerless Assassin 120 SE CPU Cooler offers superior performance and versatility compared to the Intel i3/i5/i7 LGA115x CPU Heatsink. For demanding users, the Thermalright is the clear choice.

The Thermalright Peerless Assassin 120 SE CPU Cooler offers superior performance and versatility compared to the Intel i3/i5/i7 LGA115x CPU Heatsink. For demanding users, the Thermalright is the clear choice.

Why Thermalright Peerless Assassin 120 SE CPU Cooler is better

Performance

Superior cooling capabilities with dual tower design and six heat pipes.

Compatibility

Supports a wider range of Intel and AMD sockets.

Aesthetics

Features dual ARGB fans for enhanced visual appeal.

Why Intel i3/i5/i7 LGA115x CPU Heatsink-Intel CPU Cooler Aluminum Heatsink for LGA12 is better

Price

More budget-friendly option at C$19.99.

Installation

Tool-free push pin installation for ease of use.

Simplicity

Designed specifically for Intel LGA115x sockets.

Overall score

Thermalright Peerless Assassin 120 SE CPU Cooler
85
Intel i3/i5/i7 LGA115x CPU Heatsink-Intel CPU Cooler Aluminum Heatsink for LGA12
60

Specifications

SpecThermalright Peerless Assassin 120 SE CPU CoolerIntel i3/i5/i7 LGA115x CPU Heatsink-Intel CPU Cooler Aluminum Heatsink for LGA12
BrandThermalrightZYZMOON
PriceC$48.90C$19.99
Noise Level≤25.6 dB(A)Not specified
Fan Speed1550 RPMNot specified
Socket SupportLGA1150/1151/1155/1156/1200/1700/AM4/AM5LGA1150/1151/1155/1156

Dimension comparison

Thermalright Peerless Assassin 120 SE CPU CoolerIntel i3/i5/i7 LGA115x CPU Heatsink-Intel CPU Cooler Aluminum Heatsink for LGA12

Overview of the Thermalright Peerless Assassin 120 SE CPU Cooler

The Thermalright Peerless Assassin 120 SE CPU Cooler is priced at C$48.90, offering high performance and a robust design. With over 20 years of experience in cooling solutions, Thermalright has designed this cooler to provide effective thermal management for a variety of CPU types.

This cooler features a dual tower heatsink configuration combined with six 6mm heat pipes that utilise AGHP technology. This innovative design helps to enhance heat dissipation while the two included ARGB fans provide aesthetic appeal along with efficient airflow, rated at 66.17 CFM. With a noise level of ≤25.6 dB(A), it balances performance and quiet operation effectively. The cooler supports a wide range of Intel and AMD socket types, making it a versatile choice for many builds.

Overview of the Intel i3/i5/i7 LGA115x CPU Heatsink

In contrast, the Intel i3/i5/i7 LGA115x CPU Heatsink is available at a more budget-friendly price of C$19.99. This heatsink is designed specifically for Intel’s LGA 115x socket, making it a straightforward choice for users of compatible CPUs looking for reliable cooling at a lower cost.

The heatsink features an aluminum construction and comes with pre-applied thermal paste for easy installation. It is equipped with a 4-pin PWM power connector and supports a wide array of Intel processors, including various models of the i3, i5, and i7. While it serves its purpose well for processors with a TDP of up to 65W, its overall cooling performance is not as advanced as that of the Thermalright Peerless Assassin.

Performance Comparison

When it comes to performance, the Thermalright Peerless Assassin 120 SE outshines the Intel i3/i5/i7 LGA115x CPU Heatsink significantly. The Peerless Assassin’s dual tower heatsink design and six heat pipes allow for rapid heat exchange, making it ideal for high-performance CPUs, while its dual 120mm ARGB fans enhance airflow and cooling efficiency.

The Intel heatsink, on the other hand, is limited to a TDP of 65W and is primarily effective for lower-power processors. This means that while it may handle everyday tasks adequately, it may struggle under heavy loads or overclocking scenarios, making it a less versatile option for demanding users.

Installation and Compatibility

The Thermalright Peerless Assassin 120 SE is designed with an SS2 install system and a metal pressure plate, ensuring optimal contact with the CPU and accommodating a range of Intel and AMD sockets including LGA1150, LGA1151, and AM4. This attention to detail improves ease of installation and compatibility across various builds.

The Intel i3/i5/i7 LGA115x CPU Heatsink simplifies installation further with its tool-free push pin design and compatibility with several Intel motherboard sockets including 1200, 1151, and 1150. This makes it a user-friendly option for those who may not be experienced in PC building. However, its compatibility is limited to Intel sockets, making it less versatile than the Thermalright cooler.

Aesthetics and Design

In terms of aesthetics, the Thermalright Peerless Assassin 120 SE stands out with its dual ARGB fans, which not only enhance cooling but also add a vibrant visual element to any build. The cooler's design is not only functional but also visually appealing, making it a popular choice among gamers and PC builders who value aesthetics.

Conversely, the Intel i3/i5/i7 LGA115x CPU Heatsink opts for a more utilitarian look, focusing on practicality rather than visual flair. While it may not have the same visual appeal as the Thermalright cooler, it remains a solid option for those who prioritise functionality over style.

Noise Levels

Noise levels are an important consideration for many users, especially those who build systems for gaming or productivity. The Thermalright Peerless Assassin 120 SE operates at a noise level of ≤25.6 dB(A), ensuring a quiet operation even under load, thanks to its efficient fan design.

The Intel i3/i5/i7 LGA115x CPU Heatsink does not specify noise levels in its description, but typically, more basic heatsinks may produce more noise under load compared to higher-end models. Since the design is less sophisticated, it may not provide the same level of quiet performance as the Thermalright cooler.

Price Comparison

Price is a significant factor when choosing between these two products. The Thermalright Peerless Assassin 120 SE is priced at C$48.90, which reflects its advanced technology and performance capabilities. In contrast, the Intel i3/i5/i7 LGA115x CPU Heatsink is available for C$19.99, making it an appealing option for budget-conscious consumers.

However, the lower price of the Intel heatsink comes at the cost of performance and versatility, particularly for users with more demanding cooling needs. The investment in the Thermalright cooler may be justified for those looking for superior performance and longevity.

Which should you buy?

Deciding between the Thermalright Peerless Assassin 120 SE CPU Cooler and the Intel i3/i5/i7 LGA115x CPU Heatsink largely depends on your specific needs and budget. If you require high performance and advanced cooling capabilities for a demanding CPU, the Thermalright cooler is the clear choice, offering superior design, compatibility, and aesthetics for C$48.90. However, if you're looking for an economical solution for a basic Intel processor with a TDP of up to 65W, the Intel heatsink at C$19.99 provides reliable cooling at a lower price. Ultimately, your choice should reflect your cooling requirements and system specifications.

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Thermalright Peerless Assassin 120 SE CPU Cooler vs Intel i3/i5/i7 LGA115x CPU Heatsink-Intel CPU Cooler Aluminum Heatsink for LGA12 | versusfinder