Thermalright Phantom Spirit 120 EVO CPU Cooler vs Noctua NH-L9i-17xx
Updated August 2026 — The Thermalright Phantom Spirit 120 EVO offers better cooling performance and a striking design at a lower price, while the Noctua NH-L9i-17xx excels in compactness and low noise levels.
The Thermalright Phantom Spirit 120 EVO offers better cooling performance and a striking design at a lower price, while the Noctua NH-L9i-17xx excels in compactness and low noise levels.
Why Thermalright Phantom Spirit 120 EVO CPU Cooler is better
Cooling Performance
Higher fan speed at 2150 RPM
Price
More affordable at C$56.51
Aesthetic Appeal
Visually striking design with ARGB
Why Noctua NH-L9i-17xx is better
Size
Compact design at only 37mm height
Noise Levels
Engineered for low noise operation
Warranty
6-year manufacturer's warranty
Overall score
Specifications
| Spec | Thermalright Phantom Spirit 120 EVO CPU Cooler | Noctua NH-L9i-17xx |
|---|---|---|
| Brand | Thermalright | Noctua |
| Fan Speed | 2150 RPM | NF-A9x14 |
| Material | Aluminum/Copper | Aluminum |
| Thermal Paste | Not specified | NT-H1 included |
| Mounting System | Y-type configuration | SecuFirm2 |
Dimension comparison
Introduction to CPU Coolers
When it comes to CPU coolers, choosing the right one can significantly impact your system's performance and temperature management. In this comparison, we will examine the Thermalright Phantom Spirit 120 EVO CPU Cooler and the Noctua NH-L9i-17xx, highlighting key features, performance, and overall value. The Thermalright model is priced at C$56.51, while the Noctua model comes in slightly higher at C$59.95. Each cooler has its unique strengths and weaknesses, making them suitable for different builds and preferences.
Brand Reputation and Expertise
Both Thermalright and Noctua have established themselves as reputable brands in the CPU cooler market. Thermalright has over 20 years of experience and is known for its innovative designs and focus on research and development. The Phantom Spirit 120 EVO showcases their commitment to quality with advanced features such as AGHP technology. On the other hand, Noctua has garnered over 200 awards for its products, especially the NH-L9i-17xx, which is renowned for its exceptional performance and reliability. The brand's dedication to quality is further evidenced by a six-year manufacturer’s warranty, offering peace of mind to users.
Cooling Performance
In terms of cooling performance, the Thermalright Phantom Spirit 120 EVO features a high rotation speed fan that operates at 2150 RPM, ensuring efficient heat dissipation. This cooler is designed with a combination of aluminum fins and a pure copper base, maximizing the heat dissipation area. In contrast, the Noctua NH-L9i-17xx utilises the award-winning NF-A9x14 slim fan, which operates quietly while delivering full cooling performance under load. While both coolers are effective, the Thermalright’s higher fan speed may offer superior cooling in demanding scenarios.
Size and Compatibility
Size is a crucial factor when selecting a CPU cooler, especially for compact builds. The Noctua NH-L9i-17xx excels in this area, measuring only 37mm in height, making it an ideal choice for small form factor (SFF) cases and HTPCs. It guarantees 100% RAM and PCIe compatibility across various motherboards, including ITX and Micro-ATX designs. In contrast, the Thermalright Phantom Spirit 120 EVO is larger, with dimensions of 125(L)x135(W)x157(H)mm, which may limit compatibility in tighter spaces. Users with space constraints might lean towards the Noctua for its compact design.
Installation Process
The installation process can greatly influence user experience, and both coolers offer features that simplify this task. The Noctua NH-L9i-17xx includes the SecuFirm2 mounting system, designed for easy installation on Intel LGA1700 and LGA1851 CPUs. Additionally, it comes with high-end NT-H1 thermal paste, ensuring optimal thermal conductivity right out of the box. While the Thermalright Phantom Spirit 120 EVO does not provide specific details on its mounting system, it features a Y-type configuration, allowing for compatibility with various fan connectors. The ease of installation may be a deciding factor for users who prefer straightforward setups.
Noise Levels
Noise levels are a significant consideration for many users, particularly those who build quiet PCs. The Noctua NH-L9i-17xx is engineered with a focus on low noise, featuring a Low-Noise Adaptor and PWM for automatic speed control. This design allows the fan to operate quietly at idle while ramping up performance under load. Conversely, the Thermalright Phantom Spirit 120 EVO, while effective, does not specify noise levels, which may leave some users uncertain about its operational sound. For those prioritizing a silent computing experience, the Noctua may be the more appealing choice.
Aesthetic Appeal
Aesthetics play a vital role in PC builds, especially for users who display their systems prominently. The Thermalright Phantom Spirit 120 EVO features a visually striking design with four rounded ARGB lines around the fan, making it an attractive addition to any build. The combination of black anodized material and copper accents adds to its premium look. The Noctua NH-L9i-17xx, while not as flashy, maintains a professional aesthetic that many users appreciate. Its understated design may appeal to those who prefer a more classic look in their builds.
Price Comparison
When considering price, the Thermalright Phantom Spirit 120 EVO is slightly more affordable at C$56.51 compared to the Noctua NH-L9i-17xx, which retails at C$59.95. This C$3.44 difference may influence budget-conscious shoppers looking for effective cooling solutions without breaking the bank. However, it is essential to weigh this price difference against the features and performance each cooler offers to determine the best value for your specific needs.
Which should you buy?
Ultimately, the decision between the Thermalright Phantom Spirit 120 EVO and the Noctua NH-L9i-17xx depends on your specific requirements and preferences. If you require a compact cooler for a small form factor build and prioritise low noise levels, the Noctua is the superior choice. On the other hand, if you seek high cooling performance and a striking design at a lower price point, the Thermalright may be the way to go. Carefully consider your cooling needs, case compatibility, and aesthetic preferences before making your final choice.
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