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ZYZMOON i3/i5/i7 LGA115x CPU Heatsink vs Thermalrlght Peerless Assassin 120 SE CPU Air

Updated August 2026 — Thermalrlght Peerless Assassin 120 SE CPU Air leads on noise level and build quality.

The Thermalrlght Peerless Assassin 120 SE offers superior cooling performance and compatibility, making it the better choice for demanding users.

Why ZYZMOON i3/i5/i7 LGA115x CPU Heatsink is better

Price

Significantly cheaper at $9.99

Installation

Tool-free push pin installation

Simplicity

Straightforward design for basic needs

Why Thermalrlght Peerless Assassin 120 SE CPU Air is better

Cooling

Six heat pipes for better heat dissipation

Compatibility

Supports both Intel and AMD processors

Design

Modern aesthetics with dual-tower configuration

Overall score

ZYZMOON i3/i5/i7 LGA115x CPU Heatsink
65
Thermalrlght Peerless Assassin 120 SE CPU Air
85

Specifications

SpecZYZMOON i3/i5/i7 LGA115x CPU HeatsinkThermalrlght Peerless Assassin 120 SE CPU Air
Heat PipesNone6
Fan TypeSingleDual
TDP Support≤65WHigh
InstallationEasyComplex
MaterialAluminumAluminum/Copper

Dimension comparison

ZYZMOON i3/i5/i7 LGA115x CPU HeatsinkThermalrlght Peerless Assassin 120 SE CPU Air

Introduction to CPU Coolers

When selecting a CPU cooler, it's essential to consider both performance and compatibility. The i3/i5/i7 LGA115x CPU Heatsink by ZYZMOON is priced at $9.99, making it a budget-friendly option. In contrast, the Thermalrlght Peerless Assassin 120 SE is available for $32.90, representing a more premium cooling solution. Both products offer unique features tailored to specific needs, making this comparison vital for informed purchasing decisions.

Cooling Efficiency

The Thermalrlght Peerless Assassin 120 SE excels in cooling efficiency, featuring six heat pipes and dual 120mm PWM fans that provide high airflow performance. This model is designed to ensure stable performance and rapid heat dissipation, making it ideal for demanding tasks. In comparison, the i3/i5/i7 LGA115x CPU Heatsink is suitable for processors with a TDP of up to 65W, which may limit its effectiveness in high-performance scenarios.

Compatibility

Compatibility is crucial when choosing a CPU cooler. The i3/i5/i7 LGA115x CPU Heatsink supports a range of Intel processors and motherboards, including LGA1200, LGA1151, LGA1150, LGA1155, and LGA1156. Conversely, the Thermalrlght Peerless Assassin 120 SE is compatible with a broader range of both Intel (LGA1150, LGA1151, LGA1155, LGA1156, LGA1200, LGA1700) and AMD (AM4, AM5) processors. This wider compatibility makes the Peerless Assassin a more versatile choice for users with mixed-system setups.

Installation Process

Ease of installation can significantly impact user experience. The i3/i5/i7 LGA115x CPU Heatsink features a tool-free push pin installation system, which simplifies the process for users. It also comes with pre-applied thermal paste, saving additional preparation time. On the other hand, the Thermalrlght Peerless Assassin 120 SE utilizes a more complex SS2 install system and requires a metal pressure plate for optimal contact with the CPU. While this may offer superior performance, it can also complicate the installation process for less experienced users.

Design and Aesthetics

In terms of design, both coolers present appealing aesthetics. The Thermalrlght Peerless Assassin 120 SE features an anodized brushed black top cover and a dual-tower heatsink configuration, giving it a modern and robust look. It is designed to improve compatibility with graphics cards and motherboards, thanks to its offset asymmetric layout. The i3/i5/i7 LGA115x CPU Heatsink, while functional, adopts a more straightforward design, focusing on practicality over style. Users looking for a visually striking cooler may lean towards the Peerless Assassin.

Noise Level

Noise is an important consideration for many PC builders. The Thermalrlght Peerless Assassin 120 SE operates at a rated noise level of ≤25.6 dB(A), which is relatively quiet for a high-performance cooler. This allows for a more enjoyable computing experience, particularly in quiet environments. The i3/i5/i7 LGA115x CPU Heatsink does not specify its noise levels, but it is generally known that simpler cooling solutions like this one can be quieter due to fewer moving parts. However, without specific figures, users cannot make a direct comparison.

Price Comparison

When it comes to pricing, the i3/i5/i7 LGA115x CPU Heatsink is significantly cheaper at $9.99, making it about 70% less expensive than the Thermalrlght Peerless Assassin 120 SE, which retails for $32.90. This price difference may be a decisive factor for budget-conscious consumers or those with less demanding cooling needs. However, considering the advanced features and performance of the Peerless Assassin, many users may find the higher price justifiable for the added benefits.

Which should you buy?

In conclusion, the choice between the i3/i5/i7 LGA115x CPU Heatsink and the Thermalrlght Peerless Assassin 120 SE ultimately depends on your specific needs. If you are seeking a cost-effective solution for a standard Intel processor, the ZYZMOON heatsink provides adequate cooling at a fraction of the price. However, for users requiring superior performance, compatibility with multiple processor types, and a more sophisticated design, the Thermalrlght Peerless Assassin 120 SE stands out as the better option.