CORSAIR Nautilus 360 RS LCD Liquid CPU Cooler vs Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm
Updated August 2026 — The CORSAIR Nautilus 360 RS offers superior cooling performance and lower noise levels, making it the better choice for high-end builds. However, the Thermalright Peerless Assassin 120 is a budget-friendly option that still delivers solid performance.
The CORSAIR Nautilus 360 RS offers superior cooling performance and lower noise levels, making it the better choice for high-end builds. However, the Thermalright Peerless Assassin 120 is a budget-friendly option that still delivers solid performance.
Why CORSAIR Nautilus 360 RS LCD Liquid CPU Cooler is better
Cooling Performance
Liquid cooling provides better thermal management.
Noise Level
Operates at a quieter 20 dBA.
Aesthetics
Customizable LCD screen enhances visual appeal.
Why Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm is better
Price
Significantly cheaper at C$62.90.
Compatibility
Fits in most ATX cases with a height of 162mm.
Ease of Use
PWM control for automatic fan speed adjustment.
Overall score
Specifications
| Spec | CORSAIR Nautilus 360 RS LCD Liquid CPU Cooler | Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm |
|---|---|---|
| Cooling Type | Liquid | Air |
| Max RPM | N/A | 1850 |
| Air Volume | N/A | 88.89 CFM |
| Noise Level | 20 dBA | 25.6 dBA |
| Price | C$224.99 | C$62.90 |
Dimension comparison
Overview of the Products
The CORSAIR Nautilus 360 RS LCD Liquid CPU Cooler and the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler are both excellent options for CPU cooling, but they cater to different needs and preferences. With a price difference of C$162.09, the Nautilus 360 RS is a premium liquid cooler priced at C$224.99, whereas the Peerless Assassin 120 is a more budget-friendly air cooler at C$62.90. This comparison will explore various aspects such as performance, design, and features to help you decide which cooler suits your setup better.
Performance Comparison
In terms of performance, the CORSAIR Nautilus 360 RS offers powerful cooling capabilities, ensuring your CPU can reach its full potential while maintaining low noise levels at just 20 dBA. The efficient pump and high static pressure RS120 fans are designed to push air effectively through the radiator, which is crucial for optimal heat dissipation. On the other hand, the Thermalright Peerless Assassin 120 features dual fans with a maximum speed of 1850 RPM and can achieve an air volume of 88.89 CFM. While it operates at a slightly higher noise level of up to 25.6 dBA, the dual-tower design with six copper heat pipes allows for substantial heat dissipation. While both coolers excel in their own right, the liquid cooling solution from Corsair stands out for its quieter operation and advanced cooling performance.
Design and Aesthetics
The design of each cooler reflects its technology and target audience. The CORSAIR Nautilus 360 RS LCD boasts a customizable LCD screen that adds a modern touch to any build, making it especially appealing for users who value aesthetics. Its sleek and sophisticated design complements high-end gaming rigs. Conversely, the Thermalright Peerless Assassin 120 features a dual-tower design with a black finish and digital display board, providing a unique look that also integrates functionality. The Peerless Assassin's dimensions (138x125x162mm) make it compatible with most ATX cases, while the Nautilus's design allows for a more streamlined integration in setups where space is less of a concern. The choice between these two coolers may ultimately come down to personal taste in aesthetics.
Installation and Compatibility
Installation can be a critical factor when choosing a CPU cooler. The CORSAIR Nautilus 360 RS features a convex cold plate with pre-applied thermal paste, which simplifies the installation process significantly. This feature is beneficial for users who may not have experience with thermal paste application. In comparison, the Thermalright Peerless Assassin 120 is designed to fit within a height of 162mm, making it compatible with most mainstream ATX chassis. Its dual fans come equipped with a PWM intelligent temperature control function, allowing for easy operation without needing manual adjustments. While both coolers can be installed relatively easily, the Nautilus offers a more user-friendly experience for those less familiar with CPU cooler setups.
Noise Levels
Noise levels are an essential consideration for PC builders, especially for those seeking a quiet environment. The CORSAIR Nautilus 360 RS operates at an impressively low noise level of just 20 dBA, making it one of the quieter options on the market for liquid coolers. The Thermalright Peerless Assassin 120, while still relatively quiet, has a maximum operating noise level of 25.6 dBA. This difference may be notable in silent builds or environments where noise is a concern. If low noise operation is a priority, the Nautilus 360 RS is likely the better choice.
Cooling Technology
The cooling technology employed by both products showcases their strengths. The CORSAIR Nautilus 360 RS utilizes liquid cooling, which generally provides superior thermal performance due to the increased surface area for heat exchange and the efficiency of liquid as a heat transfer medium. This cooler's efficient, low-noise pump maintains high flow rates, ensuring optimal thermal management for high-performance CPUs. In contrast, the Thermalright Peerless Assassin 120 relies on air cooling with a dual-tower and dual-fan setup, which is effective but may not be as efficient as liquid cooling under extreme loads. The six copper heat pipes enhance heat dissipation, but the overall performance may lag behind that of the Nautilus under heavy workloads.
Price and Value
Price is a significant factor when evaluating these two coolers. The CORSAIR Nautilus 360 RS is priced at C$224.99, reflecting its advanced technology and performance capabilities. In contrast, the Thermalright Peerless Assassin 120 comes in at a much more budget-friendly C$62.90. For users looking for a cost-effective solution that still delivers solid performance, the Peerless Assassin represents excellent value. However, those willing to invest more for superior cooling efficiency and quieter operation may find the Nautilus to justify its higher price tag.
Which should you buy?
Deciding between the CORSAIR Nautilus 360 RS and the Thermalright Peerless Assassin 120 ultimately depends on your specific needs and budget. If you prioritize advanced cooling technology, low noise levels, and aesthetics, the Nautilus 360 RS is an exceptional choice, albeit at a higher price point. Conversely, if you are looking for a reliable, budget-friendly air cooler that performs well without breaking the bank, the Peerless Assassin 120 is a solid option. Each cooler has its strengths, so consider your priorities when making your decision.
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