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ARCTIC Freezer 36 - Single-Tower CPU Cooler with vs Thermalright Assassin X 120R SE V2 CPU Cooler, 4×

Updated August 2026 — ARCTIC Freezer 36 - Single-Tower CPU Cooler with leads on fan design and installation.

The ARCTIC Freezer 36 offers superior performance and build quality, while the Thermalright Assassin X 120R SE V2 is a budget-friendly option with decent cooling capabilities.

Why ARCTIC Freezer 36 - Single-Tower CPU Cooler with is better

Performance

Higher maximum fan speed and better heat dissipation

Design

Sleek aesthetics and innovative installation system

Cooling Efficiency

Optimized fan design for enhanced airflow

Why Thermalright Assassin X 120R SE V2 CPU Cooler, 4× is better

Price

Significantly lower cost

Compatibility

Supports a wider range of CPU sockets

Noise Level

Lower maximum noise level at 25.6 dB(A)

Overall score

ARCTIC Freezer 36 - Single-Tower CPU Cooler with
85
Thermalright Assassin X 120R SE V2 CPU Cooler, 4×
75

Specifications

SpecARCTIC Freezer 36 - Single-Tower CPU Cooler withThermalright Assassin X 120R SE V2 CPU Cooler, 4×
Max RPM18001550
Noise LevelN/A25.6 dB(A)
Socket SupportLGA1851, LGA1700LGA1150, LGA1200, AM4, AM5
Fan TypeFluid Dynamic BearingS-FDB Bearing
Cooling TypeAirAir

Dimension comparison

ARCTIC Freezer 36 - Single-Tower CPU Cooler withThermalright Assassin X 120R SE V2 CPU Cooler, 4×

Price Comparison

The ARCTIC Freezer 36 is priced at $30.54, while the Thermalright Assassin X 120R SE V2 comes in significantly cheaper at $16.59. This makes the Thermalright model about 46% less expensive than the ARCTIC option. For budget-conscious consumers, this price difference could be a deciding factor. While both coolers offer strong performance, the Thermalright may appeal to those looking to save money without sacrificing too much in terms of cooling efficiency.

Performance

In terms of performance, the ARCTIC Freezer 36 features four heat pipes and a fan speed range of 200 to 1800 RPM, designed to effectively dissipate heat from high-end CPUs. The Thermalright Assassin X 120R SE V2, on the other hand, utilizes four 6mm heat pipes and a maximum fan speed of 1550 RPM. While the ARCTIC Freezer 36 has a slightly higher maximum fan speed, the Thermalright's performance is still commendable, especially considering its lower price point. Both coolers are compatible with a range of Intel and AMD sockets, ensuring their versatility in application.

Design and Build Quality

The ARCTIC Freezer 36 boasts a sleek black design and features an innovative fan mounting system for easier installation. Its side-flow heat sink design allows for enhanced ventilation, making it a strong competitor in terms of aesthetics and functionality. In contrast, the Thermalright Assassin X 120R SE V2 is slightly shorter at 148mm, which may allow for better compatibility with certain cases. Its quality S-FDB bearings minimize noise levels while maximizing cooling performance. Both coolers exhibit high-quality construction, but the aesthetic appeal of the ARCTIC Freezer 36 may attract users looking for a premium look.

Noise Levels

The ARCTIC Freezer 36 operates quietly thanks to its fluid dynamic bearing fans, which are designed to deliver high performance without generating excessive noise. While specific decibel levels are not provided for the ARCTIC model, the design emphasizes quiet operation. The Thermalright Assassin X 120R SE V2, with a maximum noise level of 25.6 dB(A), also focuses on maintaining a quiet environment. Users who are sensitive to noise may find both options suitable, but the Thermalright provides a quantifiable metric for sound levels that may help in decision-making.

Cooling Efficiency

Cooling efficiency is paramount in CPU coolers, and the ARCTIC Freezer 36 excels with its optimized fan design and effective heat transfer capabilities. The pressure-optimized 120mm fans are specifically designed to enhance airflow, leading to better heat dissipation. The Thermalright Assassin X 120R SE V2 also offers competitive cooling performance through its 4 heat pipes and PWM-controlled fans, which adjust speed based on CPU temperature. While both coolers provide excellent cooling solutions, the ARCTIC may edge out slightly for high-performance CPUs due to its higher fan speed range.

Compatibility

Both the ARCTIC Freezer 36 and the Thermalright Assassin X 120R SE V2 are designed for broad compatibility. The ARCTIC cooler supports Intel LGA1851 and LGA1700 sockets, while the Thermalright cooler is compatible with a wider range of Intel and AMD sockets, including LGA1150, LGA1200, AM4, and AM5. This makes the Thermalright a more versatile option for users with varying setups. Additionally, both products come with mounting hardware to ensure easy installation, although the ARCTIC's innovative click installation system may offer a more streamlined process.

Customer Support and Warranty

The ARCTIC brand prides itself on quality and durability, boasting confidence in the longevity of its products. Although specific warranty details are not provided, ARCTIC typically offers solid customer support. The Thermalright Assassin X 120R SE V2 also suggests a commitment to quality, with details on the materials and construction indicating a well-thought-out product. However, without specific warranty information, potential buyers may want to consider this aspect when making their decision.

Which should you buy?

Choosing between the ARCTIC Freezer 36 and the Thermalright Assassin X 120R SE V2 ultimately depends on your specific needs and budget. If you prioritize high-performance cooling and are willing to invest a bit more, the ARCTIC Freezer 36 is a strong contender. However, if you are looking for a cost-effective solution that still delivers solid performance, the Thermalright Assassin X 120R SE V2, priced at $16.59, offers excellent value. Consider your system requirements and budget before making a decision, as both coolers have much to offer.