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iUniker Active Cooler for Raspberry Pi 5 vs Thermalright Peerless Assassin 120 Digital ARGB

Updated August 2026 — iUniker Active Cooler for Raspberry Pi 5 wins on noise level and installation eas, Thermalright Peerless Assassin 120 Digital ARGB wins on compatibility and cooling efficien.

The iUniker Active Cooler is ideal for Raspberry Pi users seeking a budget-friendly and quiet solution, while the Thermalright Peerless Assassin 120 excels in high-performance cooling for demanding CPUs.

Why iUniker Active Cooler for Raspberry Pi 5 is better

Price

iUniker is significantly cheaper at $9.99.

Noise Level

iUniker operates below 18 dB, making it quieter.

Ease of Installation

iUniker has pre-applied thermal tape for quick setup.

Why Thermalright Peerless Assassin 120 Digital ARGB is better

Cooling Performance

Thermalright offers superior cooling with 6 heat pipes.

Compatibility

Thermalright supports multiple CPU sockets.

Build Quality

Thermalright features a dual-tower design for better heat dissipation.

Overall score

iUniker Active Cooler for Raspberry Pi 5
75
Thermalright Peerless Assassin 120 Digital ARGB
88

Specifications

SpeciUniker Active Cooler for Raspberry Pi 5Thermalright Peerless Assassin 120 Digital ARGB
Price$9.99$45.90
MaterialAluminumCopper
Fan TypePWMDual Fans
Heat Pipes16
CompatibilityRaspberry Pi 5AM4/AM5, LGA 1700

Dimension comparison

iUniker Active Cooler for Raspberry Pi 5Thermalright Peerless Assassin 120 Digital ARGB

Overview of the iUniker Active Cooler and Thermalright Peerless Assassin 120

The iUniker Active Cooler is priced at $9.99, while the Thermalright Peerless Assassin 120 comes in at $45.90, making it about 17% cheaper than the Thermalright option. These two coolers cater to different needs and devices, with the iUniker specifically designed for the Raspberry Pi 5 and the Thermalright targeting more powerful CPU setups.

The iUniker boasts an ultra-quiet operation with a PWM fan that runs below 18 dB, ideal for quiet environments. In contrast, the Thermalright features a dual-tower design with dual fans that achieve a fan speed of 1850 RPM, making it more suited for high-performance CPUs. This difference in design reflects their intended usage and performance capabilities.

Design and Build Quality

The iUniker Active Cooler features an aluminum heatsink with pre-applied thermal tape, promoting ease of installation. In contrast, the Thermalright Peerless Assassin 120 has a robust design that includes a dual-tower structure and a magnetic top cover, enhancing its aesthetic appeal and functionality.

The materials used in each cooler reflect their target markets. The iUniker's aluminum construction is lightweight, ideal for compact devices like the Raspberry Pi 5. Meanwhile, the Thermalright’s use of pure copper heat pipes ensures efficient heat transfer, making it a better choice for high-end CPUs. The build quality of the Thermalright, with its dual fans and advanced AGHP heat pipe technology, suggests a focus on long-term performance under heavy loads.

Cooling Performance

The cooling performance of the iUniker is tailored for the Raspberry Pi 5, capable of reducing CPU temperatures to under 56°C during stress tests. This is a significant improvement over passive cooling solutions, outperforming them by 20-30°C.

On the other hand, the Thermalright Peerless Assassin 120 is designed for higher heat dissipation, employing six heat pipes and dual fans to achieve an air volume of 88.89 CFM. Its design enables efficient cooling even for demanding applications, providing a good heat dissipation effect due to its high fan speed of 1850 RPM. Both products excel in their respective domains, but the Thermalright is undoubtedly geared for more intensive cooling tasks.

Noise Levels

Noise levels are crucial for the usability of any cooling solution. The iUniker operates at an impressively low noise level below 18 dB, making it nearly silent and perfect for environments where sound is a concern, such as home theaters or quiet offices.

Conversely, the Thermalright operates at a noise level of up to 25.6 dB, which is still relatively quiet but may be noticeable in silent environments. For users prioritizing silence, the iUniker clearly has the advantage, while the Thermalright is better suited for scenarios where performance outweighs noise concerns.

Compatibility

The iUniker Active Cooler is specifically designed for the Raspberry Pi 5, offering a perfect fit and seamless integration with the device. It supports PWM speed control through Raspberry Pi OS, which allows for efficient cooling based on CPU temperature.

The Thermalright Peerless Assassin 120, however, boasts wide compatibility across multiple platforms, including AMD's AM4/AM5 and Intel's LGA 1700/1151/1200 sockets. This extensive compatibility makes it a versatile choice for users building or upgrading their PCs. While the iUniker shines in its specific application, the Thermalright's compatibility can cater to a broader audience.

Installation Process

The iUniker Active Cooler is designed for easy installation, boasting pre-applied thermal tape and a straightforward setup process that can be completed in minutes. This is particularly advantageous for users who may not have extensive technical skills.

In contrast, the Thermalright Peerless Assassin 120, while still manageable, may require a bit more effort due to its dual-fan setup and extensive compatibility options. Users may need to refer to installation tutorials or instructions, especially if they are unfamiliar with CPU cooler installations. The iUniker clearly offers a more user-friendly experience for those less experienced in hardware installation.

Price Comparison

The iUniker Active Cooler is priced at $9.99, making it an economical choice for Raspberry Pi enthusiasts. In comparison, the Thermalright Peerless Assassin 120 retails for $45.90, which is significantly higher. This price difference of about $35 is reflective of the performance capabilities and broader compatibility of the Thermalright.

When considering budget constraints, the iUniker presents a compelling option for those specifically using a Raspberry Pi 5. However, for users seeking advanced cooling for high-performance CPUs, the investment in the Thermalright may be justified by its superior cooling capabilities.

Which should you buy?

In conclusion, the choice between the iUniker Active Cooler and the Thermalright Peerless Assassin 120 largely depends on your specific needs. If you're looking for a budget-friendly, quiet, and efficient cooler for a Raspberry Pi 5, the iUniker is the clear winner. Its ease of installation and low noise levels make it perfect for casual users and hobbyists.

On the other hand, if you require a high-performance cooler for a more powerful CPU setup, the Thermalright's superior cooling capabilities and broad compatibility make it the better choice. Ultimately, your decision should be guided by the specific requirements of your system and your budget.