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Thermalright Assassin X120 Refined SE CPU Air vs Thermalright LGA1851 CPU Contact Frame - Optimized

Updated July 2026 — Thermalright Assassin X120 Refined SE CPU Air leads on length and width.

The Thermalright Assassin X120 Refined SE CPU Air Cooler offers superior cooling performance and compatibility, making it the better choice overall. The LGA1851 CPU Contact Frame is a useful accessory but serves a more limited purpose.

Why Thermalright Assassin X120 Refined SE CPU Air is better

Cooling Performance

The cooler provides direct cooling benefits.

Compatibility

Supports multiple Intel and AMD sockets.

User Experience

PWM fan allows for automatic speed adjustments.

Why Thermalright LGA1851 CPU Contact Frame - Optimized is better

Price

Cheaper option at $9.99.

Installation

Includes tools for easy setup.

Material Quality

Durable aluminum construction.

Overall score

Thermalright Assassin X120 Refined SE CPU Air
85
Thermalright LGA1851 CPU Contact Frame - Optimized
65

Specifications

SpecThermalright Assassin X120 Refined SE CPU AirThermalright LGA1851 CPU Contact Frame - Optimized
Cooling TypeAirN/A
Fan Speed1550 RPMN/A
Air Flow66.17 CFMN/A
MaterialAluminumAluminum
Socket CompatibilityMultipleLGA1851

Dimension comparison

Thermalright Assassin X120 Refined SE CPU AirThermalright LGA1851 CPU Contact Frame - Optimized

Overview of Thermalright Assassin X120 Refined SE CPU Air Cooler

The Thermalright Assassin X120 Refined SE CPU Air Cooler is a robust cooling solution designed for various Intel and AMD sockets. With a current price of $17.90, it stands out for its effective cooling capabilities and innovative AGHP technology. The cooler features four 6mm heat pipes, which enhance heat dissipation, and a TL-C12C PWM fan that operates at a maximum speed of 1550 RPM, providing efficient airflow of 66.17 CFM while maintaining a low noise level of 25.6 dB(A). This balance between performance and sound output makes it a popular choice for gamers and PC builders looking for a reliable air cooling solution.

Overview of Thermalright LGA1851 CPU Contact Frame

The Thermalright LGA1851 CPU Contact Frame is a specialized component priced at $9.99, aimed at improving the stability of Intel Core Ultra Series CPUs. Its primary function is to prevent CPU warping or bending, which can occur due to overheating. This product is specifically designed for the LGA1851 socket and is made from durable aluminum with a gold anodizing finish that resists scratching. The package includes an L-shaped screwdriver and screws for easy installation, making it a practical choice for users seeking to enhance CPU performance while ensuring longevity.

Design and Build Quality

The design of the Thermalright Assassin X120 Refined SE CPU Air Cooler is characterized by its aluminum heatsink cover and metal fasteners, which are compatible with both Intel and AMD platforms. Weighing 0.645 kg (1.42 lb) and measuring 125 x 71 x 148 mm, this cooler is designed to fit comfortably in most medium-sized cases. In contrast, the Thermalright LGA1851 CPU Contact Frame has a compact design, measuring 53.5 x 70 x 6.25 mm, making it easy to install without taking up significant space. While the cooler boasts a more complex assembly for optimal heat dissipation, the contact frame is straightforward and functional, focusing on preventing CPU issues.

Performance and Efficiency

In terms of performance, the Thermalright Assassin X120 Refined SE excels with its advanced cooling technology. The combination of four heat pipes and a high-speed fan ensures that the CPU remains at optimal temperatures, even under heavy loads. This cooler is particularly suitable for users who engage in gaming or resource-intensive tasks. On the other hand, the Thermalright LGA1851 CPU Contact Frame does not provide cooling but instead enhances the efficiency of the existing cooling solution by preventing CPU warping, which can lead to thermal throttling. Therefore, while the cooler provides direct cooling performance, the contact frame ensures that the CPU operates effectively over time.

Compatibility

The Thermalright Assassin X120 Refined SE CPU Air Cooler supports a broad range of sockets, including Intel LGA 1150, 1151, 1155, 1200, 1700, and 1851, as well as AMD AM4 and AM5. This wide compatibility makes it an adaptable choice for various builds. In comparison, the Thermalright LGA1851 CPU Contact Frame is exclusively designed for the Intel Core Ultra Series CPUs with LGA1851 sockets. While both products cater to Intel CPUs, the cooler offers a more versatile option for users with different socket types, making it a more comprehensive cooling solution.

User Experience and Installation

Users of the Thermalright Assassin X120 Refined SE often praise its straightforward installation process and effective cooling performance. Its PWM fan allows for automatic speed adjustments based on CPU temperature, which is a notable convenience for users. Conversely, the Thermalright LGA1851 CPU Contact Frame is designed for easy installation, as it includes an L-shaped screwdriver and screws, making it accessible for users who might not be as experienced in CPU maintenance. While both products focus on enhancing CPU performance, the cooler's installation may be slightly more time-consuming due to its size and components.

Price and Value

At $17.90, the Thermalright Assassin X120 Refined SE CPU Air Cooler is a reasonable investment for those looking for a reliable air cooling solution. Comparatively, the Thermalright LGA1851 CPU Contact Frame is about 44% cheaper, priced at $9.99. However, the value each product offers is different; the cooler provides direct cooling benefits, while the contact frame focuses on maintaining the integrity of the CPU. For users looking to enhance their cooling system, the cooler presents a better overall value, while the contact frame serves as a necessary accessory for specific CPU protection.

Which should you buy?

When deciding between the Thermalright Assassin X120 Refined SE CPU Air Cooler and the Thermalright LGA1851 CPU Contact Frame, the choice largely depends on your needs. If you require a comprehensive cooling solution for various Intel and AMD CPUs, the Assassin X120 is the superior option due to its advanced cooling technology and broad compatibility. However, if you're specifically focused on enhancing the performance of an Intel Core Ultra Series CPU and preventing warping, the LGA1851 CPU Contact Frame is an excellent addition to your setup. Ultimately, for overall performance and versatility, the Assassin X120 is the recommended choice.