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AMD AM4 Backplate - CPU Heatsink Bracket - Motherboard Mounting Hole 90x54mm - S vs Thermalright Assassin X 120R Digital ARGB White CPU Cooler Air with 4X6mm HeatPi

Updated August 2026The Thermalright Assassin X 120R offers superior cooling performance and features compared to the AMD AM4 Backplate, making it the better choice for demanding users.

The Thermalright Assassin X 120R offers superior cooling performance and features compared to the AMD AM4 Backplate, making it the better choice for demanding users.

Why AMD AM4 Backplate - CPU Heatsink Bracket - Motherboard Mounting Hole 90x54mm - S is better

lower price

AMD AM4 Backplate costs C$5.85

simple design

focuses on basic mounting needs

no noise

passive solution does not generate noise

Why Thermalright Assassin X 120R Digital ARGB White CPU Cooler Air with 4X6mm HeatPi is better

advanced cooling

Thermalright Assassin X provides robust cooling performance

real-time monitoring

features a digital screen for temperature monitoring

wide compatibility

compatible with both Intel and AMD platforms

Overall score

AMD AM4 Backplate - CPU Heatsink Bracket - Motherboard Mounting Hole 90x54mm - S
55
Thermalright Assassin X 120R Digital ARGB White CPU Cooler Air with 4X6mm HeatPi
85

Specifications

SpecAMD AM4 Backplate - CPU Heatsink Bracket - Motherboard Mounting Hole 90x54mm - SThermalright Assassin X 120R Digital ARGB White CPU Cooler Air with 4X6mm HeatPi
BrandHuGuWdyThermalright
MaterialCopper/ABSPBT+PC
Socket CompatibilityAM4Intel/AMD
Cooling TypePassiveActive
Installation EaseEasyModerate

Dimension comparison

AMD AM4 Backplate - CPU Heatsink Bracket - Motherboard Mounting Hole 90x54mm - SThermalright Assassin X 120R Digital ARGB White CPU Cooler Air with 4X6mm HeatPi

Overview of the Products

The AMD AM4 Backplate is a budget-friendly option priced at C$5.85, while the Thermalright Assassin X 120R is a higher-end CPU cooler retailing for C$28.39. These two products cater to different segments of the CPU cooling market, with the backplate focusing on mounting solutions for AMD AM4 processors and the Assassin X offering advanced cooling features and aesthetics.

The AMD AM4 Backplate is designed specifically for the AM4 socket, ensuring a secure hold for heatsinks. In contrast, the Thermalright Assassin X 120R features a more complex cooling system, including a high-speed fan and advanced heat pipe technology, making it suitable for users who require robust thermal performance and monitoring capabilities.

Price Comparison

When evaluating the two products, the price difference is significant. The AMD AM4 Backplate is an economical choice at C$5.85, making it an ideal option for those on a tight budget or for users simply looking to replace a mounting bracket. In comparison, the Thermalright Assassin X 120R, priced at C$28.39, reflects its advanced design and features, appealing to enthusiasts or gamers who need superior cooling performance.

The price point of C$5.85 for the AMD AM4 Backplate positions it as an accessible solution for basic needs, while the C$28.39 price tag of the Assassin X indicates a higher investment for more comprehensive cooling capabilities. This clear price distinction helps potential buyers identify which product aligns with their budget and performance requirements.

Design and Build Quality

The design of the AMD AM4 Backplate is straightforward yet effective, focusing on precision fitment for AM4 motherboards. Its construction combines copper with high-quality ABS plastic to enhance heat dissipation. Meanwhile, the Thermalright Assassin X 120R boasts a more elaborate design, featuring a digital screen top cover that displays real-time temperature and usage data.

The emphasis on precision in the AMD AM4 Backplate ensures a secure and stable mounting for heatsinks, while the Thermalright Assassin X utilizes 4 heat pipes and a 2000RPM high-speed fan for efficient cooling. Users who prioritise aesthetics and monitoring features might gravitate towards the more intricate design of the Assassin X, whereas those seeking simplicity and reliability may prefer the AMD AM4 Backplate.

Cooling Performance

Cooling performance is a crucial factor in any CPU cooler comparison. The AMD AM4 Backplate optimises the mounting pressure to facilitate effective thermal transfer between the CPU and the cooling solution. However, it does not actively cool the CPU itself, as it is solely a mounting bracket.

On the other hand, the Thermalright Assassin X 120R is designed for robust cooling performance. The combination of a 2000RPM PWM fan and AGHP heat pipe technology allows for significant heat dissipation, making it suitable for high-performance CPUs. The Assassin X not only cools but also provides real-time monitoring of CPU and GPU temperatures, which is a distinct advantage for users engaged in demanding tasks or gaming.

Compatibility and Installation

The AMD AM4 Backplate is explicitly designed for AM4 socket processors, ensuring compatibility with a wide range of AMD motherboards. Its installation process is straightforward, making it an easy choice for users looking for a simple upgrade or replacement.

Conversely, the Thermalright Assassin X 120R offers wide compatibility across both Intel and AMD platforms, making it versatile for various builds. The digital screen’s functionality requires specific software installation, which may complicate setup for some users. However, once installed, the Assassin X provides comprehensive temperature monitoring, enhancing the user experience.

Noise Levels

In terms of noise levels, the AMD AM4 Backplate, being a passive mounting solution, does not contribute to noise, as it does not include a fan. This can be an advantage for users who prefer silent operation.

The Thermalright Assassin X 120R, equipped with a 2000RPM fan, incorporates noise-reducing features, such as silicone corner pads, to minimise operational noise. While the fan operates at high speeds to provide efficient cooling, the design aims to keep noise levels to a manageable level. Users who are sensitive to noise might find the passive nature of the AMD AM4 Backplate appealing, while others may appreciate the balance of performance and quiet operation offered by the Assassin X.

User Experience and Support

The AMD AM4 Backplate provides a straightforward user experience with a focus on functionality. It comes with detailed product images and descriptions, assisting users in understanding the product better. Additionally, customer support is readily available for any inquiries.

In contrast, the Thermalright Assassin X 120R enhances user experience through its digital display, providing real-time monitoring of system temperatures and usage. The requirement for software installation may pose a slight learning curve for some, but the advanced features can significantly enrich the user experience for those who are tech-savvy. The support for the Assassin X includes guidance for software installation, ensuring users can take full advantage of its capabilities.

Which should you buy?

Choosing between the AMD AM4 Backplate and the Thermalright Assassin X 120R ultimately depends on your specific needs and budget. If you are looking for a cost-effective solution strictly for mounting purposes and have a limited budget, the AMD AM4 Backplate at C$5.85 is a sensible choice. It is designed to securely hold your CPU heatsink and enhance heat dissipation, making it suitable for basic setups.

However, if you require superior cooling performance, advanced features, and real-time temperature monitoring, the Thermalright Assassin X 120R is worth the investment at C$28.39. Its high-speed fan and heat pipe technology provide robust cooling, making it ideal for more demanding applications. Ultimately, your decision should align with your performance requirements and budget considerations.

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AMD AM4 Backplate - CPU Heatsink Bracket - Motherboard Mounting Hole 90x54mm - S vs Thermalright Assassin X 120R Digital ARGB White CPU Cooler Air with 4X6mm HeatPi | versusfinder