Noctua NH-L9x65 chromax.Black vs Thermalright AXP90-X53 White Low Profile ITX CPU Air Cooler,
Updated August 2026 — Noctua NH-L9x65 chromax.Black wins on build quality and cooling performa, Thermalright AXP90-X53 White Low Profile ITX CPU Air Cooler, wins on value for money and compatibility.
The Noctua NH-L9x65 offers superior performance and build quality, while the Thermalright AXP90-X53 provides excellent value for budget-conscious users.
Why Noctua NH-L9x65 chromax.Black is better
Cooling Performance
Noctua's optimized fan design provides better cooling efficiency.
Build Quality
Noctua is known for premium materials and durability.
Noise Levels
Noctua operates more quietly than Thermalright.
Why Thermalright AXP90-X53 White Low Profile ITX CPU Air Cooler, is better
Price
Thermalright is significantly cheaper.
Size
AXP90-X53 has a lower profile for tighter builds.
Compatibility
Thermalright supports a wide range of CPU sockets.
Overall score
Specifications
| Spec | Noctua NH-L9x65 chromax.Black | Thermalright AXP90-X53 White Low Profile ITX CPU Air Cooler, |
|---|---|---|
| Fan Speed | PWM | 2700 RPM |
| Thermal Paste | NT-H1 | Included |
| Socket Support | LGA1851, AM5 | LGA1700, AM4 |
| Cooling Type | Air | Air |
| Design | Black | White |
Dimension comparison
Price Comparison
The Noctua NH-L9x65 chromax.Black is priced at $79.95, while the Thermalright AXP90-X53 is significantly cheaper at $19.39. This makes the Thermalright cooler approximately 76% less expensive than the Noctua option. For budget-conscious builders or those looking to assemble compact systems without breaking the bank, the AXP90-X53 provides an attractive price point. However, the Noctua cooler is designed for premium performance, which may justify its higher price for those who prioritize quality and reliability in their builds.
Design and Size
The Noctua NH-L9x65 chromax.Black boasts a compact design with a total height of 65mm, making it ideal for small form factor builds, including HTPCs and ITX setups. In contrast, the Thermalright AXP90-X53 is even smaller, with a height of just 53mm. This lower profile can be particularly beneficial for builds with limited vertical space. Both coolers are designed to avoid interference with RAM and PCIe slots, but the AXP90-X53's slightly smaller dimensions may provide even greater flexibility in tighter cases.
Cooling Efficiency
In terms of cooling efficiency, the Noctua NH-L9x65 features a highly optimized NF-A9x14 slim 92mm fan that supports PWM for automatic speed control and ultra-quiet operation. It is recommended for CPUs with low to moderate heat dissipation. The Thermalright AXP90-X53, on the other hand, utilizes a 92mm PWM fan with a maximum rotational speed of 2700 RPM and a noise level of 22.4 dBA. While both coolers promise quiet operation, the AXP90-X53 may offer slightly better performance in terms of cooling due to its higher RPM, making it suitable for CPUs with a thermal design power (TDP) of up to 150W.
Installation and Compatibility
The Noctua NH-L9x65 is equipped with the SecuFirm2 mounting system, which simplifies installation on various Intel and AMD sockets, including LGA1851, LGA1700, and AM5. It also comes with high-end NT-H1 thermal paste for optimal thermal conductivity. The Thermalright AXP90-X53 supports a broad range of Intel and AMD CPU sockets as well, along with its own installation accessories. However, users must note that installing it on AMD platforms requires using the motherboard's backplate. Both coolers offer easy installation, but Noctua’s inclusion of premium thermal paste may provide an edge in cooling performance right out of the box.
Noise Levels
Noise levels are a critical consideration for many users, especially in quiet environments. The Noctua NH-L9x65 is renowned for its ultra-quiet operation, thanks to its optimized fan design and the inclusion of a Low-Noise Adaptor. While exact dBA levels are not provided, it is known for operating silently. The Thermalright AXP90-X53, with its maximum noise level of 22.4 dBA, is also designed for quiet performance but may generate slightly more sound under load. For users prioritizing silence, the Noctua cooler is likely the better choice, but the AXP90-X53 remains a strong contender for those looking for budget-friendly options.
Build Quality and Aesthetics
The Noctua NH-L9x65 chromax.Black features a sleek all-black design that enhances its aesthetic appeal, particularly for users aiming for a modern look in their builds. Its award-winning design is not only visually pleasing but also signifies high build quality and durability. The Thermalright AXP90-X53, available in white, offers a clean and simple appearance that can blend well with many setups. While both coolers are well-built, the Noctua's premium branding and materials may attract users who value aesthetics and durability equally.
Brand Reputation
Noctua is widely recognized for its high-quality cooling solutions and exceptional customer service, often ranking among the top brands in the CPU cooler market. The NH-L9x65 has received numerous accolades for its performance and reliability. Thermalright has also built a solid reputation, particularly in the budget segment, but it may not have the same level of recognition as Noctua among enthusiasts. For users who prioritize brand trust and proven performance, Noctua may be the preferred option, whereas those seeking value might lean towards Thermalright.
Which should you buy?
Choosing between the Noctua NH-L9x65 chromax.Black and the Thermalright AXP90-X53 ultimately depends on your specific needs. If you prioritize superior cooling performance, premium build quality, and a sleek design, the Noctua cooler is worth the investment at $79.95. However, if you're working with a tighter budget and require a compact solution for a small form factor build, the Thermalright AXP90-X53 at just $19.39 offers excellent value without sacrificing essential features. In summary, weigh your priorities—performance versus price—to make the right choice for your CPU cooling needs.

