CORSAIR Nautilus 360 RS LCD Liquid CPU Cooler vs Thermalright Peerless Assassin 120 Black CPU Air Cooler
Updated August 2026 — The CORSAIR Nautilus 360 RS offers superior cooling performance and quieter operation, making it the better choice for high-performance builds. However, the Thermalright Peerless Assassin provides excellent value for budget-conscious users.
The CORSAIR Nautilus 360 RS offers superior cooling performance and quieter operation, making it the better choice for high-performance builds. However, the Thermalright Peerless Assassin provides excellent value for budget-conscious users.
Why CORSAIR Nautilus 360 RS LCD Liquid CPU Cooler is better
Cooling Performance
Liquid cooling generally offers better thermal performance.
Noise Level
Nautilus operates at a quieter 20 dBA.
Aesthetics
Customizable LCD screen enhances visual appeal.
Why Thermalright Peerless Assassin 120 Black CPU Air Cooler is better
Price
Significantly lower price at C$54.90.
Maintenance
Requires less maintenance compared to liquid coolers.
Compatibility
Supports a wide range of Intel and AMD sockets.
Overall score
Specifications
| Spec | CORSAIR Nautilus 360 RS LCD Liquid CPU Cooler | Thermalright Peerless Assassin 120 Black CPU Air Cooler |
|---|---|---|
| Cooling Type | Liquid | Air |
| Max Noise Level | 20 dBA | 25.6 dBA |
| Price | C$224.99 | C$54.90 |
| Fan Speed | N/A | 1500 RPM |
| Socket Support | Limited | Intel & AMD |
Dimension comparison
Overview of the Coolers
When comparing the CORSAIR Nautilus 360 RS LCD Liquid CPU Cooler and the Thermalright Peerless Assassin 120 Black CPU Air Cooler, there is a significant difference in cooling technology. The Nautilus, priced at C$224.99, employs a liquid cooling system, while the Peerless Assassin, at a much lower price of C$54.90, uses air cooling. Liquid cooling generally offers superior thermal performance, especially under heavy loads, making it appealing for high-performance builds. In contrast, air coolers like the Peerless Assassin typically provide sufficient cooling for mainstream setups at a more accessible price point.
Cooling Performance
The CORSAIR Nautilus 360 RS boasts a powerful, low-noise performance designed to ensure that your CPU reaches its full potential. It features an efficient pump that operates at a whisper-quiet 20 dBA, which is particularly impressive for a liquid cooler. On the other hand, the Thermalright Peerless Assassin claims to have an effective heat dissipation area of 9600 cm², aided by its dual tower design. However, its noise level can reach up to 25.6 dBA. While both coolers are effective, the Nautilus appears to offer a quieter operation and potentially better cooling performance, making it a better choice for users seeking top-tier thermal management.
Design and Aesthetics
In terms of design, the CORSAIR Nautilus 360 RS stands out with its customizable LCD screen, adding a stylish touch to your setup. This feature allows users to personalise their cooler's appearance, which can enhance the overall aesthetics of a gaming rig. Meanwhile, the Thermalright Peerless Assassin has a more utilitarian design, with a sleek black finish and an asymmetrical layout that allows for installation in tight spaces. While both designs have their merits, the Nautilus offers a more modern and visually appealing option, especially for those who value aesthetics alongside functionality.
Installation and Compatibility
Both coolers are designed with user-friendly installation in mind. The CORSAIR Nautilus includes a convex cold plate with pre-applied thermal paste, which simplifies the setup process. Additionally, its RS120 fans are engineered to push air efficiently through the radiator. The Thermalright Peerless Assassin supports a wide range of Intel and AMD sockets, making it versatile for various builds. Its dimensions are compact enough to fit into most cases without issues. While the installation for both coolers is straightforward, the Nautilus may require more careful handling due to its liquid components, potentially making the Peerless Assassin a better choice for less experienced builders.
Price Comparison
The price difference between the two coolers is substantial. The CORSAIR Nautilus 360 RS is priced at C$224.99, which reflects its advanced liquid cooling technology and additional features such as the customizable LCD screen. In contrast, the Thermalright Peerless Assassin is available for just C$54.90, making it an incredibly budget-friendly option. This significant price gap suggests that while the Nautilus offers more advanced cooling capabilities, the Peerless Assassin provides excellent value for users who do not require extreme cooling performance.
Noise Levels
Noise levels are an important consideration for many PC builders. The CORSAIR Nautilus 360 RS operates at a very low noise level of just 20 dBA, making it an ideal choice for quiet environments or gaming setups where sound can be distracting. Conversely, the Thermalright Peerless Assassin has a maximum noise level of 25.6 dBA, which, while still acceptable, is noticeably louder than its liquid counterpart. For users prioritizing a silent operation, the Nautilus would be the preferred option, as it delivers superior cooling performance without compromising on noise levels.
Maintenance and Durability
Liquid coolers like the CORSAIR Nautilus require a bit more maintenance than air coolers. While the Nautilus is designed for long-term reliability, liquid coolers can occasionally require checking for leaks or coolant levels. The Thermalright Peerless Assassin, being an air cooler, requires minimal maintenance, typically just the occasional dusting. For users who prefer a 'set it and forget it' approach, the Peerless Assassin may be the better choice. However, for those willing to invest time in maintenance for potentially better cooling performance, the Nautilus is a strong contender.
Which should you buy?
Choosing between the CORSAIR Nautilus 360 RS LCD Liquid CPU Cooler and the Thermalright Peerless Assassin 120 Black CPU Air Cooler ultimately depends on your specific needs and budget. If you are looking for advanced cooling performance, aesthetic features, and quieter operation, the Nautilus is well worth the investment at C$224.99. However, if budget constraints are a primary concern and your cooling needs are moderate, the Peerless Assassin offers excellent value at C$54.90 with solid performance. Each cooler has its strengths, making it essential to consider your priorities before making a decision.
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