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Thermalright Assassin X 90 SE V2 CPU Cooler vs Thermalright Royal Pretor 130 Ultra White CPU Cooler

Updated August 2026The Thermalright Royal Pretor 130 Ultra White offers superior cooling performance and compatibility, while the Assassin X 90 SE V2 is a budget-friendly option with quieter operation.

The Thermalright Royal Pretor 130 Ultra White offers superior cooling performance and compatibility, while the Assassin X 90 SE V2 is a budget-friendly option with quieter operation.

Why Thermalright Assassin X 90 SE V2 CPU Cooler is better

lower price

C$24.90 vs C$95.14

quieter operation

23.85 dB(A) vs <28.3 dB(A)

compact size

94x77x118mm vs 130x140x158mm

Why Thermalright Royal Pretor 130 Ultra White CPU Cooler is better

better cooling

81.88 CFM vs 32.77 CFM

more heat pipes

7x6mm vs 4x6mm

wider compatibility

supports more Intel sockets

Overall score

Thermalright Assassin X 90 SE V2 CPU Cooler
65
Thermalright Royal Pretor 130 Ultra White CPU Cooler
85

Specifications

SpecThermalright Assassin X 90 SE V2 CPU CoolerThermalright Royal Pretor 130 Ultra White CPU Cooler
Heat Pipes4x6mm7x6mm
Fan Speed2200 RPM2150/1750 RPM
MaterialAluminumAluminum + Copper
CompatibilityIntel 1150/1151/1155/1156/1200, AMD AM4/AM5Intel LGA 1851/1700/1150/1151/1155/1156/1200/2011/2066, AMD AM4/AM5
Max Airflow32.77 CFM81.88 CFM

Dimension comparison

Thermalright Assassin X 90 SE V2 CPU CoolerThermalright Royal Pretor 130 Ultra White CPU Cooler

Price Comparison

The Thermalright Assassin X 90 SE V2 is priced at C$24.90, while the Thermalright Royal Pretor 130 Ultra White comes in at a significantly higher C$95.14. This price difference of C$70.24 makes the Assassin X 90 SE V2 an attractive option for budget-conscious consumers looking for effective CPU cooling solutions without breaking the bank. The substantial price disparity raises questions about the features and performance offered by each cooler, making it essential to delve deeper into their specifications and capabilities.

Design and Build Quality

In terms of design, the Thermalright Royal Pretor 130 Ultra White boasts a larger size at 130x140x158mm compared to the Assassin X 90 SE V2's more compact dimensions of 94x77x118mm. The Royal Pretor's twin tower radiator design, combined with an aluminum and copper heat sink, aims to maximise heat dissipation. In contrast, the Assassin X 90 SE V2 utilises a single tower design made primarily of aluminum. The increased height and dual fans of the Royal Pretor may offer enhanced cooling performance, particularly for overclocked CPUs, while the Assassin X 90 SE V2's smaller footprint allows for compatibility with more chassis models.

Cooling Performance

The cooling performance of the Thermalright Royal Pretor 130 Ultra White is highlighted by its 7x6mm pure copper heat pipes, which are designed to efficiently manage heat dissipation. This model offers a maximum airflow of 81.88 CFM and operates at a noise level of less than 28.3 dB(A). In comparison, the Assassin X 90 SE V2 features a 4x6mm heat pipe configuration and achieves an airflow of 32.77 CFM with a maximum noise level of 23.85 dB(A). While the Royal Pretor excels in airflow and heat dissipation, the Assassin X 90 SE V2 delivers quieter operation, making it suitable for users prioritising a low-noise environment.

Fan Specifications

The fan specifications of both coolers reveal significant differences in design and performance. The Royal Pretor features dual fans with varied speeds of up to 2150 RPM and 1750 RPM, providing adjustable airflow capabilities of 69 and 81.88 CFM, respectively. In contrast, the Assassin X 90 SE V2 is equipped with a single PWM fan that operates at a maximum speed of 2200 RPM and delivers a consistent airflow of 32.77 CFM. The dual-fan setup of the Royal Pretor may provide superior cooling for high-performance setups, while the single fan of the Assassin X 90 SE V2 may appeal to users seeking simplicity and ease of installation.

Compatibility

Both coolers offer broad compatibility with various CPU socket types. The Thermalright Assassin X 90 SE V2 supports Intel socket types 1150, 1151, 1155, 1156, and 1200, as well as AMD AM4 and AM5. Meanwhile, the Royal Pretor 130 Ultra White caters to an even wider range of socket types, including Intel LGA 1851, 1700, 1150, 1151, 1155, 1156, 1200, 2011, and 2066, alongside AMD AM4 and AM5. This extensive compatibility makes the Royal Pretor a more versatile choice for users with various hardware configurations, while the Assassin X 90 SE V2 may be perfect for those with specific socket needs.

Noise Levels

Noise levels are an essential consideration for many users, especially those who prioritise a quiet computing environment. The Thermalright Assassin X 90 SE V2 operates at a maximum noise level of 23.85 dB(A), making it one of the quieter options available. On the other hand, the Royal Pretor 130 Ultra White operates slightly louder at less than 28.3 dB(A), which could be a deciding factor for users who prefer minimal noise during operation. While both coolers strive for silent performance, the Assassin X 90 SE V2 has the edge in noise reduction.

Installation Process

When it comes to installation, the Thermalright Royal Pretor 130 Ultra White includes a comprehensive mounting kit and installation manual, which aids users in setting up the cooler efficiently. It is designed to be compatible with various CPU platforms and offers a systematic installation process. The Assassin X 90 SE V2 also provides an easy installation experience, with compatibility for different Intel and AMD sockets and an included mounting plate. The straightforward installation process of both coolers makes them accessible to novice builders, ensuring that users can easily upgrade their cooling systems without hassle.

Which should you buy?

Deciding between the Thermalright Assassin X 90 SE V2 and the Thermalright Royal Pretor 130 Ultra White ultimately comes down to your specific needs and budget. If you are looking for an affordable and compact solution that provides basic cooling performance with quiet operation, the Assassin X 90 SE V2 at C$24.90 is a compelling choice. However, if you require superior cooling performance, especially for overclocking, and are willing to invest more for additional features, the Royal Pretor 130 Ultra White at C$95.14 offers advanced technology and a more extensive compatibility range. Each cooler excels in different areas, making it essential to assess your unique requirements before making a purchase.

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Thermalright Assassin X 90 SE V2 CPU Cooler vs Thermalright Royal Pretor 130 Ultra White CPU Cooler | versusfinder