Thermalright Assassin X 120R Digital ARGB Black CPU Cooler vs Thermalright Peerless Assassin 120 Black CPU Air Cooler
Updated August 2026 — The Thermalright Assassin X 120R offers superior cooling performance and vibrant RGB aesthetics, while the Peerless Assassin 120 excels in quieter operation and build quality.
The Thermalright Assassin X 120R offers superior cooling performance and vibrant RGB aesthetics, while the Peerless Assassin 120 excels in quieter operation and build quality.
Why Thermalright Assassin X 120R Digital ARGB Black CPU Cooler is better
Cooling Performance
Assassin X 120R has a higher fan speed and airflow.
Aesthetics
Assassin X 120R features RGB lighting.
Price
Assassin X 120R is significantly cheaper.
Why Thermalright Peerless Assassin 120 Black CPU Air Cooler is better
Noise Level
Peerless Assassin 120 operates quieter.
Build Quality
Peerless uses advanced materials and techniques.
Dual Fans
Peerless has dual fans for better cooling.
Overall score
Specifications
| Spec | Thermalright Assassin X 120R Digital ARGB Black CPU Cooler | Thermalright Peerless Assassin 120 Black CPU Air Cooler |
|---|---|---|
| Fan Speed | 2000 RPM | 1500 RPM |
| Noise Level | ≤29.8 dB(A) | ≤25.6 dB(A) |
| Heat Sink Material | Aluminum | Copper & Aluminum |
| ARGB Lighting | Yes | No |
| Socket Compatibility | Intel & AMD | Intel & AMD |
Dimension comparison
Overview of the Products
In the realm of CPU coolers, the Thermalright Assassin X 120R Digital ARGB Black and the Thermalright Peerless Assassin 120 Black are two noteworthy contenders. The Assassin X 120R is priced at C$32.90, while the Peerless Assassin 120 comes in at a higher C$54.90. This price difference sets the stage for a deeper examination of their features and performance capabilities.
Cooling Performance
When it comes to cooling performance, the two coolers exhibit distinct characteristics. The Thermalright Assassin X 120R operates at a fan speed of 2000 RPM, producing an air volume of 70.84 CFM, which translates to effective heat dissipation. In contrast, the Peerless Assassin 120 features dual PWM fans that run at 1500 RPM, delivering a slightly lower airflow of 66.17 CFM. This difference in airflow may affect thermal management, especially under heavy loads, making the Assassin X a potentially more effective cooler for high-performance CPUs.
Noise Levels
Noise can be a significant concern for users, particularly in environments where quiet operation is preferred. The Thermalright Assassin X 120R has an operating noise level of ≤29.8 dB(A), while the Peerless Assassin 120 operates at a quieter ≤25.6 dB(A). Thus, if noise level is a critical factor for you, the Peerless Assassin 120 offers a quieter operation, making it more suitable for silent builds or environments where minimal noise is desired.
Design and Aesthetics
Both coolers are designed with aesthetics in mind, but they take different approaches. The Thermalright Assassin X 120R features a digital ARGB lighting system that is synchronised with the motherboard, offering vibrant lighting effects. In contrast, the Peerless Assassin 120 opts for a more understated design with a sleek black finish. If visual appeal and RGB lighting are essential to your build, the Assassin X 120R stands out with its dynamic lighting features.
Build Quality and Materials
Build quality is crucial for longevity and performance. The Thermalright Assassin X 120R uses aluminum for its heat sink material, which is standard in many coolers. On the other hand, the Peerless Assassin 120 boasts an advanced electroplating reflow welding process, enhancing its structural integrity. Additionally, it employs six pure copper heat pipes, which can improve heat transfer efficiency. Therefore, while both coolers are well-built, the Peerless Assassin 120 may offer superior durability and thermal performance due to its advanced materials.
Compatibility
Compatibility is a vital factor when selecting a CPU cooler, especially for users with specific CPU sockets. Both the Thermalright Assassin X 120R and the Peerless Assassin 120 support a wide range of sockets, including Intel LGA 1700 and AMD AM5. The Assassin X 120R's installation accessories and the Peerless Assassin 120's metal fasteners ensure user-friendly installation across different platforms. This makes both coolers versatile choices for various builds, catering to a broad audience of PC enthusiasts.
Installation Process
The installation process can significantly impact the user experience. The Thermalright Assassin X 120R comes with a detailed installation accessory kit and video manual, making it straightforward to set up. Meanwhile, the Peerless Assassin 120 also provides corresponding mounting plates and fasteners, ensuring a smooth installation. Both coolers are designed to be user-friendly, but the availability of installation resources for the Assassin X 120R may give it an edge for those less experienced with PC builds.
Pricing and Value
Price can often dictate a buyer's choice, and here the Thermalright Assassin X 120R is significantly more affordable at C$32.90 compared to the C$54.90 of the Peerless Assassin 120. Despite the higher price tag of the Peerless model, it offers features like dual fans and advanced cooling technologies that may justify the cost for users seeking top-tier performance. Ultimately, the choice between these coolers may come down to whether one prioritises budget or advanced features.
Which should you buy?
Choosing between the Thermalright Assassin X 120R Digital ARGB Black CPU Cooler and the Thermalright Peerless Assassin 120 Black CPU Air Cooler hinges on your specific needs. If you are looking for superior cooling performance and vibrant RGB aesthetics, the Assassin X 120R is the way to go. On the other hand, if you prioritise quieter operation, advanced build quality, and don’t mind spending a bit more, the Peerless Assassin 120 could be your ideal choice. Both coolers excel in compatibility and installation ease, making either a solid addition to your PC build.
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