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Noctua NH-L12S vs Thermalright AXP90 X47 Full Low Profile CPU Cooler

Updated August 2026The Noctua NH-L12S offers superior performance and build quality, while the Thermalright AXP90 X47 is a budget-friendly option. Choose based on your needs and budget.

The Noctua NH-L12S offers superior performance and build quality, while the Thermalright AXP90 X47 is a budget-friendly option. Choose based on your needs and budget.

Why Noctua NH-L12S is better

Cooling Performance

NH-L12S has advanced fan technology for better cooling.

Build Quality

NH-L12S is made with premium materials.

Noise Levels

NH-L12S is engineered for ultra-quiet operation.

Why Thermalright AXP90 X47 Full Low Profile CPU Cooler is better

Price

AXP90 X47 is significantly cheaper.

Compact Size

AXP90 X47 has a lower height for tighter spaces.

Ease of Installation

AXP90 X47 includes a manual and video for setup.

Overall score

Noctua NH-L12S
85
Thermalright AXP90 X47 Full Low Profile CPU Cooler
70

Specifications

SpecNoctua NH-L12SThermalright AXP90 X47 Full Low Profile CPU Cooler
PriceC$87.95C$43.39
Fan Noise<20 dB(A)22.4 dB(A)
CompatibilityIntel LGA1851, LGA1700, LGA1200, LGA115x, AMD AM5 & AM4Intel LGA1700, 1150, 1151, 1155, 1156, 1200; AMD AM4/AM5
InstallationSecuFirm2 systemMetal mounting fasteners
Cooling TechnologyNF-A12x15 fanAGHP technology

Dimension comparison

Noctua NH-L12SThermalright AXP90 X47 Full Low Profile CPU Cooler

Overview of the Noctua NH-L12S and Thermalright AXP90 X47

The Noctua NH-L12S is a premium low-profile CPU cooler priced at C$87.95, while the Thermalright AXP90 X47 offers a more budget-friendly option at C$43.39. Both coolers are designed for compact systems, making them suitable for ITX and HTPC builds, but they differ significantly in pricing and features.

The Noctua NH-L12S stands out with its high-quality build and advanced fan technology, whereas the Thermalright AXP90 X47 focuses on efficiency and broad compatibility at a lower price point. Understanding these differences is crucial for consumers who want to make an informed decision based on their specific needs.

Design and Build Quality

The design and build quality of a CPU cooler can greatly affect its performance and longevity. The Noctua NH-L12S boasts a total height of 70mm and is considered a compact, premium-quality cooler. Its construction reflects Noctua's commitment to high standards, making it an excellent choice for users seeking durability and effectiveness.

On the other hand, the Thermalright AXP90 X47 is even more compact, with a height of just 47mm. This low profile is especially advantageous for tight spaces, eliminating memory clearance issues. While both coolers are well-designed, the choice between them may depend on the user's space requirements and aesthetic preferences.

Cooling Performance

Cooling performance is a critical factor when choosing a CPU cooler, and both the Noctua NH-L12S and the Thermalright AXP90 X47 excel in this area. The NH-L12S features an NF-A12x15 120mm fan that optimizes airflow with PWM support, providing automatic speed control for ultra-quiet operation. Its design is tailored for CPUs with moderate heat loads, making it a reliable choice for high-performance builds.

Conversely, the AXP90 X47 employs AGHP technology with 4x6mm heat pipes that enhance cooling efficiency by combating the inverse gravity effect. This cooler is paired with a 92mm PWM fan, offering a maximum air volume of 42.58 CFM and a noise level of just 22.4 dB(A). Both coolers provide excellent cooling performance, but users should consider their specific cooling needs and system configurations.

Compatibility

Compatibility is a significant consideration when selecting a CPU cooler, and both the Noctua NH-L12S and the Thermalright AXP90 X47 provide broad compatibility with various CPU sockets. The NH-L12S supports Intel LGA1851, LGA1700, LGA1200, LGA115x, as well as AMD AM5 and AM4, making it a versatile option for modern builds.

The AXP90 X47 also supports multiple Intel sockets, including LGA1700, 1150, 1151, 1155, 1156, and 1200, as well as AMD AM4 and AM5. This extensive compatibility ensures that both coolers can accommodate a wide range of processors, making them suitable for users looking to upgrade or build new systems.

Ease of Installation

Ease of installation can significantly impact the user experience when setting up a new CPU cooler. The Noctua NH-L12S comes with a SecuFirm2 mounting system, which simplifies the installation process and ensures a secure fit on various Intel and AMD sockets. Additionally, it includes high-end NT-H1 thermal paste, further streamlining the setup.

Similarly, the Thermalright AXP90 X47 is designed for easy installation, with metal mounting fasteners provided for different CPU socket types. Thermalright also offers a manual and installation video to assist users in the setup process. Both coolers are user-friendly, but Noctua's inclusion of premium thermal paste may give it an edge for those who prioritize convenience.

Noise Levels

Noise levels are a crucial consideration for users looking for a quiet computing experience. The Noctua NH-L12S is engineered for ultra-quiet operation, thanks to its high-quality fan and PWM control. This cooler is ideal for users who want to maintain a silent environment, especially in home theatres or quiet office setups.

The Thermalright AXP90 X47 also performs well in terms of noise, with a maximum noise level of 22.4 dB(A). Its efficient fan design contributes to a quieter operation, making it suitable for small form factor builds where noise may be a concern. While both coolers are designed for quiet operation, the Noctua NH-L12S is specifically marketed for users seeking the utmost silence.

Price Comparison

Price is often a decisive factor in product selection, and in this case, the two coolers present a stark contrast. The Noctua NH-L12S is priced at C$87.95, reflecting its premium features and quality. This price point may be justified for users who require top-tier performance and durability.

In contrast, the Thermalright AXP90 X47 is significantly more affordable at C$43.39. This lower price makes it an attractive option for budget-conscious consumers or those building entry-level systems. While the AXP90 X47 lacks some of the advanced features of the NH-L12S, it still offers solid performance and value for its price.

Which should you buy?

Choosing between the Noctua NH-L12S and the Thermalright AXP90 X47 ultimately depends on your specific needs and budget. If you prioritise premium performance, durability, and quiet operation, the NH-L12S is the superior choice, albeit at a higher price of C$87.95. However, if you're looking for a cost-effective solution that still delivers solid cooling performance in a compact design, the Thermalright AXP90 X47 at C$43.39 is an excellent alternative. Both coolers excel in their own right, making them worthy contenders in the low-profile CPU cooler market.

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Noctua NH-L12S vs Thermalright AXP90 X47 Full Low Profile CPU Cooler | versusfinder