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Thermalright Peerless Assassin 140 Black CPU Cooler vs Intel i3/i5/i7 LGA115x CPU Heatsink-Intel CPU Cooler Aluminum Heatsink for LGA12

Updated August 2026The Thermalright Peerless Assassin 140 Black CPU Cooler outperforms the Intel i3/i5/i7 LGA115x CPU Heatsink in cooling efficiency and compatibility. For serious users, the Thermalright is the clear choice.

The Thermalright Peerless Assassin 140 Black CPU Cooler outperforms the Intel i3/i5/i7 LGA115x CPU Heatsink in cooling efficiency and compatibility. For serious users, the Thermalright is the clear choice.

Why Thermalright Peerless Assassin 140 Black CPU Cooler is better

Cooling Performance

Higher air volume of 66.17 CFM

Compatibility

Supports a wider range of CPU sockets

Noise Level

Quieter operation at 25.6 dB(A)

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

Price

More affordable at C$19.99

Ease of Installation

Tool-free push pin installation

Simplicity

Basic design for essential cooling needs

Overall score

Thermalright Peerless Assassin 140 Black CPU Cooler
85
Intel i3/i5/i7 LGA115x CPU Heatsink-Intel CPU Cooler Aluminum Heatsink for LGA12
55

Specifications

SpecThermalright Peerless Assassin 140 Black CPU CoolerIntel i3/i5/i7 LGA115x CPU Heatsink-Intel CPU Cooler Aluminum Heatsink for LGA12
BrandThermalrightZYZMOON
PriceC$54.90C$19.99
Fan Speed1500 RPMN/A
Noise Level25.6 dB(A)N/A
Socket SupportLGA1150/1151/1155/1156/1200/1700/AM4/AM5LGA1150/1151/1155/1156

Dimension comparison

Thermalright Peerless Assassin 140 Black CPU CoolerIntel i3/i5/i7 LGA115x CPU Heatsink-Intel CPU Cooler Aluminum Heatsink for LGA12

Overview of the Thermalright Peerless Assassin 140 Black CPU Cooler

The Thermalright Peerless Assassin 140 Black CPU Cooler is a robust choice for users seeking efficient cooling solutions for their systems. Priced at C$54.90, it features a twin-tower design with pure copper heatpipes and dual fans, making it suitable for a variety of CPUs, including Intel and AMD models. Its design ensures improved heat dissipation, with a maximum air volume of 66.17 CFM at a noise level of 25.6 dB(A), providing a quieter operation during intense computing tasks.

This cooler's height of 158mm allows compatibility with larger cases and high-profile memory modules, ensuring users can effectively utilise their rig's space. Its sophisticated cooling performance is backed by an easy installation process, making it an appealing option for both novice and experienced builders.

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

On the other hand, the Intel i3/i5/i7 LGA115x CPU Heatsink is a budget-friendly cooling solution priced at C$19.99. Designed for Intel processors with a TDP of 65W or less, it is compatible with a range of LGA115x sockets. The heatsink comes with pre-applied thermal paste, allowing for tool-free installation, making it a convenient option for users who may not have extensive hardware installation experience.

While its price point makes it accessible, it may not provide the same level of cooling performance as the Thermalright cooler, particularly during demanding tasks. Its design focuses on essential cooling needs without the complexities of higher-end models, making it a straightforward yet effective choice for basic computing requirements.

Cooling Performance Comparison

When comparing cooling performance, the Thermalright Peerless Assassin 140 Black clearly stands out. Its dual fans and advanced heat dissipation design allow it to handle higher thermal loads effectively, achieving a maximum air volume of 66.17 CFM. This ensures that even under stress, the processor remains at optimal temperatures, enhancing overall system performance.

In contrast, the Intel i3/i5/i7 LGA115x CPU Heatsink is limited by a maximum TDP of 65W, which could restrict its effectiveness in more demanding scenarios. While it performs adequately for lower-power CPUs, users with higher thermal demands may find it insufficient. Therefore, for those seeking robust cooling, the Thermalright is the superior option.

Compatibility with CPUs

The Thermalright Peerless Assassin 140 Black supports a broad range of CPUs, including Intel's LGA1150, 1151, 1155, 1156, 1200, and 1700 sockets, as well as AMD's AM4 and AM5. This extensive compatibility makes it a versatile choice for users looking to upgrade or build systems with different processors.

In comparison, the Intel i3/i5/i7 LGA115x CPU Heatsink is specifically designed for Intel CPUs within the LGA115x socket family. This makes it less flexible for users who may wish to switch to AMD processors or newer Intel sockets. The broader compatibility of the Thermalright cooler offers greater options for future upgrades.

Installation Process

The installation process for the Thermalright Peerless Assassin 140 Black is designed to be user-friendly with all-metal fasteners and an easy-to-follow instruction manual. The inclusion of a Y-type adapter cable ensures that both fans can be connected without requiring additional motherboard slots, making installation straightforward for users.

In contrast, the Intel i3/i5/i7 LGA115x CPU Heatsink offers a tool-free push pin installation, which simplifies the setup even further, particularly for those who may be inexperienced with hardware. While both coolers aim for ease of installation, the Thermalright cooler provides more advanced features, which may be beneficial for users looking for optimal performance.

Noise Levels

One of the key advantages of the Thermalright Peerless Assassin 140 Black is its noise level, which operates at a maximum of 25.6 dB(A). This makes it a quieter solution, ideal for users who prioritize a silent working environment while maintaining efficient cooling performance.

Conversely, the Intel i3/i5/i7 LGA115x CPU Heatsink does not specify its noise levels, but given its simpler design and lower airflow capabilities, it may not match the quieter operation of the Thermalright cooler. Users who are sensitive to noise may prefer the latter for its quieter operation during heavy workloads.

Price Point Analysis

The Thermalright Peerless Assassin 140 Black comes with a price tag of C$54.90, reflecting its advanced features and superior cooling capabilities. This price offers a good balance of performance and value for users needing high-quality cooling solutions.

In contrast, the Intel i3/i5/i7 LGA115x CPU Heatsink is priced at a mere C$19.99, making it an economical option for budget-conscious consumers or those with minimal cooling requirements. However, the lower price may correlate with reduced performance, particularly for higher power CPUs. Users must consider their specific needs and whether the cost savings justify potential limitations in cooling effectiveness.

Which should you buy?

In conclusion, the choice between the Thermalright Peerless Assassin 140 Black CPU Cooler and the Intel i3/i5/i7 LGA115x CPU Heatsink largely depends on your needs and budget. If you require superior cooling performance, compatibility across various CPU models, and quieter operation, the Thermalright cooler at C$54.90 is the better option. However, for users with basic cooling needs and a limited budget, the Intel heatsink, priced at C$19.99, provides a satisfactory solution. Ultimately, your decision should align with your specific computing requirements and future upgrade plans.

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Thermalright Peerless Assassin 140 Black CPU Cooler vs Intel i3/i5/i7 LGA115x CPU Heatsink-Intel CPU Cooler Aluminum Heatsink for LGA12 | versusfinder