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Noctua NH-L12S vs Thermalright AXP90-X53 White Low Profile ITX CPU Air Cooler,

Updated August 2026 — Noctua NH-L12S leads on warranty and cooling performa.

The Noctua NH-L12S offers superior performance and build quality, while the Thermalright AXP90-X53 is a budget-friendly option. Choose based on your needs and budget.

Why Noctua NH-L12S is better

Performance

Noctua handles higher TDP CPUs better.

Build Quality

Noctua is known for premium materials.

Noise Management

Noctua includes a Low-Noise Adaptor.

Why Thermalright AXP90-X53 White Low Profile ITX CPU Air Cooler, is better

Price

AXP90-X53 is significantly cheaper.

Size

AXP90-X53 is more compact at 53mm.

Compatibility

AXP90-X53 supports a wide range of sockets.

Overall score

Noctua NH-L12S
85
Thermalright AXP90-X53 White Low Profile ITX CPU Air Cooler,
65

Specifications

SpecNoctua NH-L12SThermalright AXP90-X53 White Low Profile ITX CPU Air Cooler,
Cooling CapacityTDP not specified150W
Noise LevelNot disclosed22.4 dBA
Fan TypePWMPWM
Thermal PasteNT-H1 includedIncluded
Warranty6 years3 years

Dimension comparison

Noctua NH-L12SThermalright AXP90-X53 White Low Profile ITX CPU Air Cooler,

Price Comparison

The Noctua NH-L12S is priced at $74.95, while the Thermalright AXP90-X53 is significantly cheaper at $19.39, making it about 74% less expensive. For budget-conscious consumers, the AXP90-X53 presents a much more appealing price point, particularly for those who may not require the higher performance or features of the Noctua model. The substantial price difference reflects the positioning of these products within the market, with Noctua targeting users who seek premium cooling solutions and are willing to pay a premium for reliability and performance.

Design and Build Quality

The Noctua NH-L12S features a compact design with a total height of 70mm, while the Thermalright AXP90-X53 stands at just 53mm. This makes the AXP90-X53 an excellent option for users with limited space in small form factor builds. The Noctua cooler is known for its premium quality, including a highly optimized NF-A12x15 120mm fan that supports PWM, ensuring efficient airflow and quiet operation. In contrast, the AXP90-X53 incorporates a 92mm PWM fan and a pure copper base with four heat pipes, which enhances heat dissipation, particularly in small ITX setups. Although both coolers prioritize functionality in compact spaces, the Noctua's build quality is often considered superior due to its established reputation.

Cooling Performance

When it comes to cooling performance, the Noctua NH-L12S is marketed as a highly optimized solution ideal for ITX and HTPC systems, thanks to its efficient fan and design. While specific performance metrics are not provided, its advanced features suggest it can handle higher TDP CPUs with ease. The Thermalright AXP90-X53, featuring four heat pipes and a cooling capacity of up to 150W, is designed to effectively manage heat in tight spaces, but may not match the NH-L12S's performance under extreme loads. Users looking for high-performance cooling might lean towards the Noctua, while those with moderate cooling needs might find the Thermalright adequate.

Noise Levels

Noise levels are a critical factor for many users, and both coolers are designed with quiet operation in mind. The Noctua NH-L12S includes a Low-Noise Adaptor for automatic speed control, ensuring ultra-quiet operation, while the Thermalright AXP90-X53 operates at a noise level of 22.4 dBA. While the specific noise level of the Noctua is not disclosed, it is known for its quiet performance, making it a preferred choice for noise-sensitive environments. If silence is a priority, both options have their merits, but the NH-L12S may provide an edge in terms of overall sound management due to its premium fan design.

Installation Process

Both coolers offer user-friendly installation processes, but the Noctua NH-L12S takes it a step further with its SecuFirm2 mounting system, which simplifies the installation on a wide range of Intel and AMD sockets, including LGA1700 and AM5. The NH-L12S also includes high-end NT-H1 thermal paste, ensuring optimal thermal conductivity right out of the box. The Thermalright AXP90-X53, while also compatible with multiple CPU sockets, requires the use of the motherboard's backplate for AMD installations, which may complicate the process slightly for some users. Overall, the Noctua's more streamlined installation may appeal to those who prefer a hassle-free setup.

Compatibility

The Noctua NH-L12S has broad compatibility, supporting Intel LGA1851, LGA1700, and various AMD sockets, making it a versatile choice for a range of builds. The Thermalright AXP90-X53 also boasts impressive compatibility, supporting Intel sockets from LGA1150 to LGA1700, as well as AMD AM4 and AM5. The ability of both coolers to accommodate modern CPU architectures means they can fit into many different systems. Users should consider their specific motherboard and CPU requirements, but both coolers are designed to be compatible with a wide array of setups.

Brand Reputation

Noctua is renowned for its quality and performance in the cooling market, often regarded as a premium brand with a strong following among enthusiasts and professionals alike. The NH-L12S is a successor to the award-winning NH-L12, which speaks to its proven track record. In contrast, Thermalright, while respected, does not carry the same level of prestige as Noctua. However, the AXP90-X53 has been positively received in the budget cooler segment, making it a solid choice for those seeking value without compromising too much on performance. Brand loyalty may influence buyers, especially those familiar with Noctua's reputation for excellence.

Which should you buy?

Ultimately, the choice between the Noctua NH-L12S and the Thermalright AXP90-X53 boils down to your specific needs and budget. If you're looking for a premium low-profile cooler with proven performance, superior build quality, and quiet operation, the Noctua NH-L12S is worth the investment at $74.95. However, if you are on a tight budget and require a functional cooler for an ITX build, the Thermalright AXP90-X53 at just $19.39 offers excellent value for money. Both coolers have their strengths, but the decision should align with your performance expectations, space constraints, and financial considerations.