Noctua NH-L9x65 chromax.Black vs Thermalright AXP90-X53 Full Cooper Low Profile CPU
Updated August 2026 — Noctua NH-L9x65 chromax.Black wins on height, Thermalright AXP90-X53 Full Cooper Low Profile CPU wins on airflow and noise level.
The Noctua NH-L9x65 chromax.Black offers superior aesthetics and quieter operation, while the Thermalright AXP90-X53 is a budget-friendly option with solid performance. Overall, Noctua is the better choice for premium features.
Why Noctua NH-L9x65 chromax.Black is better
Aesthetics
Sleek all-black design
Noise
Ultra-quiet operation
Build Quality
Premium materials and craftsmanship
Why Thermalright AXP90-X53 Full Cooper Low Profile CPU is better
Price
Significantly lower cost
Compatibility
Supports more Intel socket variations
Cooling Efficiency
Full copper construction for better heat dissipation
Overall score
Specifications
| Spec | Noctua NH-L9x65 chromax.Black | Thermalright AXP90-X53 Full Cooper Low Profile CPU |
|---|---|---|
| Fan Type | NF-A9x14 | TL-9015R |
| Max RPM | 1600 | 2700 |
| Socket Support | LGA1851, LGA1700, LGA1200, LGA115x, AM5, AM4 | LGA1700, LGA1150, LGA1151, AM4, AM5 |
| Thermal Paste | NT-H1 | Included |
| Cooling Capacity | Low to Moderate | Moderate |
Dimension comparison
Pricing Comparison
The Noctua NH-L9x65 chromax.Black is priced at $79.95, while the Thermalright AXP90-X53 is significantly cheaper at $35.90, making it about 55% less expensive. This striking price difference can be a decisive factor for budget-conscious consumers looking for a low-profile CPU cooler. While both products offer efficiency and compact designs suitable for small form factor builds, the substantial price gap between these two coolers could appeal to those who prioritize cost without sacrificing too much performance.
Design and Aesthetics
The Noctua NH-L9x65 chromax.Black presents a sleek all-black design that enhances the aesthetic appeal of any build, particularly in minimalist or dark-themed setups. In contrast, the Thermalright AXP90-X53 has a more utilitarian appearance, with a copper finish that reveals its functional design. While the Noctua cooler is designed to blend seamlessly into modern builds, the Thermalright model's copper design may attract users looking for a more traditional cooling solution. Overall, the Noctua cooler’s refined look may appeal more to users emphasizing aesthetics.
Performance Capabilities
The Noctua NH-L9x65 chromax.Black features a highly optimized NF-A9x14 slim 92mm fan, which offers automatic speed control for ultra-quiet operation. It is recommended for CPUs with low to moderate heat dissipation, making it suitable for builds with lower thermal output. On the other hand, the Thermalright AXP90-X53 utilizes a 92mm PWM fan that can achieve a maximum speed of 2700 RPM, providing a maximum airflow of 42.58 CFM. The AXP90-X53's full copper construction enhances its heat dissipation capabilities, potentially offering superior cooling for more demanding CPUs. Users should consider their specific cooling needs when selecting between these two models.
Compatibility
Both coolers boast broad compatibility with various CPU sockets. The Noctua NH-L9x65 chromax.Black is compatible with Intel LGA1851, LGA1700, LGA1200, LGA115x, and AMD AM5 & AM4 sockets. Meanwhile, the Thermalright AXP90-X53 supports an extensive range of sockets, including Intel's LGA1700, LGA1150, LGA1151, LGA1200, and AMD's AM4 and AM5. While both coolers cover a wide array of platforms, the Thermalright model's compatibility with more Intel socket variations may be beneficial for users with specific motherboard requirements.
Installation Process
The installation process for both coolers is designed to be user-friendly. The Noctua NH-L9x65 chromax.Black includes the SecuFirm2 mounting system, which simplifies installation on various Intel and AMD sockets. The Thermalright AXP90-X53, while also easy to install, requires additional steps if conflicts arise with the motherboard's backplane. The need for longer screws in certain situations may add complexity for some users. Overall, the Noctua cooler may provide a more straightforward installation experience, particularly for those new to building PCs.
Noise Levels
The Noctua NH-L9x65 chromax.Black is designed for ultra-quiet operation, leveraging its PWM support and Low-Noise Adapter to keep noise levels to a minimum, making it ideal for HTPCs. The Thermalright AXP90-X53, while also operating quietly, generates a noise level of 22.4 dB(A) at maximum speed. If maintaining a silent environment is a priority, the Noctua cooler may be the preferable choice, given its emphasis on quiet performance. For users who do not mind a slightly louder operation, the Thermalright cooler provides solid cooling capabilities at a lower price.
Build Quality
In terms of build quality, the Noctua NH-L9x65 chromax.Black is known for its premium materials and craftsmanship, which contribute to its durability and reliability. The cooler includes high-end NT-H1 thermal paste, enhancing its thermal conductivity and cooling performance. The Thermalright AXP90-X53, with its micro-carved copper bottom and pure copper construction, also boasts solid build quality. However, the copper material may require more maintenance to prevent oxidation over time. Both coolers reflect quality in their design, but Noctua's reputation for long-lasting products may give it an edge in the durability department.
Which should you buy?
Choosing between the Noctua NH-L9x65 chromax.Black and the Thermalright AXP90-X53 ultimately depends on your specific needs and budget. If you prioritize aesthetics, ultra-quiet operation, and a straightforward installation process, the Noctua cooler is worth the investment at $79.95. Conversely, if you are looking for a more budget-friendly option that still offers solid performance and compatibility, the Thermalright cooler at $35.90 presents an excellent choice. Both coolers are designed for low-profile applications, but your decision should hinge on whether you lean towards premium features or value pricing.

