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Noctua NH-L12S vs Thermalright AXP90-X53 Full Cooper Low Profile CPU

Updated August 2026 — Noctua NH-L12S leads on warranty and build quality.

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

Why Noctua NH-L12S is better

Cooling Performance

Noctua's optimized fan design provides better cooling.

Build Quality

Premium materials and included thermal paste enhance reliability.

Noise Levels

Designed for quieter operation, ideal for silent builds.

Why Thermalright AXP90-X53 Full Cooper Low Profile CPU is better

Price

Thermalright is significantly cheaper.

Height

Shorter height allows for more compact builds.

Installation

Includes installation video for easier setup.

Overall score

Noctua NH-L12S
85
Thermalright AXP90-X53 Full Cooper Low Profile CPU
70

Specifications

SpecNoctua NH-L12SThermalright AXP90-X53 Full Cooper Low Profile CPU
Socket CompatibilityLGA1851, LGA1700, AM5LGA1700, AM4
Fan TypePWMPWM
Thermal PasteNT-H1 includedIncluded
Warranty6 years3 years
Cooling TechnologyOptimized FanAGHP Technology

Dimension comparison

Noctua NH-L12SThermalright AXP90-X53 Full Cooper Low Profile CPU

Overview of CPU Coolers

When it comes to selecting a CPU cooler, both the Noctua NH-L12S and the Thermalright AXP90-X53 present compelling options for users seeking efficient cooling solutions. The Noctua NH-L12S is priced at $74.95, while the Thermalright AXP90-X53 is significantly more budget-friendly at $35.90, making it about 52% cheaper. The price difference may influence buyers, but performance and features also play crucial roles in the decision-making process.

Design and Build Quality

The Noctua NH-L12S boasts a compact design with a total height of 70mm, making it well-suited for small form-factor builds. Its premium build quality is further highlighted by the inclusion of a high-end NT-H1 thermal paste and a SecuFirm2 mounting system. In contrast, the Thermalright AXP90-X53 stands at a slightly lower height of 53mm, which makes it ideal for even more compact systems. The AXP90-X53 features a pure copper construction that enhances its heat dissipation efficiency, providing a solid alternative for users prioritizing material quality.

Cooling Performance

In terms of cooling performance, the Noctua NH-L12S is praised for its highly optimized NF-A12x15 120mm fan, which utilizes PWM support for automatic speed control and low-noise operation. While specific cooling metrics are not provided, the design is intended for quiet operation, particularly in ITX and HTPC systems. Conversely, the Thermalright AXP90-X53 is equipped with a 92mm PWM fan capable of producing an air volume of 42.58 CFM at a maximum noise level of 22.4 dB(A). This suggests that while it may not match the size of the Noctua fan, it still offers commendable cooling performance in a smaller package.

Compatibility

Compatibility is a significant factor to consider, and both coolers excel in this area. The Noctua NH-L12S supports a wide range of Intel sockets including LGA1851, LGA1700, and several LGA115x options as well as AMD’s AM5 and AM4 sockets. This versatility makes it a suitable choice for various builds. The Thermalright AXP90-X53 also demonstrates broad compatibility, supporting Intel sockets such as LGA1700, LGA1150, and AMD’s AM4 and AM5. This ensures that both coolers can cater to a wide audience of gamers and PC builders.

Noise Levels

Noise levels play a critical role in user experience, especially in compact builds where sound can be amplified. The Noctua NH-L12S is designed with quiet operation in mind, and while exact noise levels are not specified, its reputation for low-noise performance is well-established. The Thermalright AXP90-X53, on the other hand, operates at a maximum noise level of 22.4 dB(A), which is quite reasonable for a CPU cooler of its size. Users looking for silent operation may gravitate towards Noctua, while those on a budget might find the Thermalright’s noise levels acceptable.

Installation Process

Installation is a key consideration when choosing a CPU cooler, and both models aim for user-friendly setups. The Noctua NH-L12S includes a SecuFirm2 mounting system, which simplifies the installation on a variety of platforms. This ease of installation is backed by high-quality components, ensuring reliability. The Thermalright AXP90-X53 also emphasizes straightforward installation, providing a manual and installation video to assist users. However, it mentions potential challenges with backplane conflicts on some motherboards, which may require additional adjustments.

Aesthetic Appeal

Aesthetic preferences can vary widely among users, and both coolers offer distinct visual styles. The Noctua NH-L12S features a signature brown and beige color scheme that is both recognizable and professional-looking. Its compact design allows it to blend seamlessly into most builds. The Thermalright AXP90-X53, with its pure copper finish, exudes a sleek and modern look, which may appeal to users seeking a more industrial aesthetic. Ultimately, the choice between these two coolers may come down to personal taste.

Which should you buy?

Choosing between the Noctua NH-L12S and the Thermalright AXP90-X53 largely depends on your specific needs and budget. If you're looking for a premium, quiet cooling solution and don't mind spending an extra $39.05, the Noctua NH-L12S is a fantastic choice, especially for high-end builds. However, if you're on a tighter budget and need a reliable cooler for compact systems, the Thermalright AXP90-X53 offers excellent performance at a significantly lower price. Each cooler has its strengths, making them both worthwhile contenders in the CPU cooler market.