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ID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler vs Thermalright Assassin King 120 SE ARGB CPU Air Cooler

Updated August 2026The ID-COOLING FROZN A720 Black offers superior cooling performance and aesthetic appeal compared to the Thermalright Assassin King 120 SE ARGB. However, the latter is a more budget-friendly option.

The ID-COOLING FROZN A720 Black offers superior cooling performance and aesthetic appeal compared to the Thermalright Assassin King 120 SE ARGB. However, the latter is a more budget-friendly option.

Why ID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler is better

Cooling Efficiency

Higher maximum airflow of 98.6 CFM

Aesthetic Design

All-black design blends well with dark setups

Heat Pipes

Seven copper heat pipes for better heat absorption

Why Thermalright Assassin King 120 SE ARGB CPU Air Cooler is better

Price

Significantly lower price at C$24.59

Noise Level

Quieter operation at 25.6 dB(A)

Brand Experience

Thermalright has over 20 years of market presence

Overall score

ID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler
85
Thermalright Assassin King 120 SE ARGB CPU Air Cooler
65

Specifications

SpecID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU CoolerThermalright Assassin King 120 SE ARGB CPU Air Cooler
Max Airflow98.6 CFM66.17 CFM
Noise Level33.5 dB(A)25.6 dB(A)
Heat Pipes75
PWM FanYesYes
CompatibilityIntel & AMDIntel & AMD

Dimension comparison

ID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU CoolerThermalright Assassin King 120 SE ARGB CPU Air Cooler

Introduction to CPU Coolers

When choosing a CPU cooler, understanding the differences in performance, aesthetics, and compatibility is crucial. In this comparison, we will examine the ID-COOLING FROZN A720 Black and the Thermalright Assassin King 120 SE ARGB. The FROZN A720 Black is priced at C$110.92, while the Assassin King 120 SE ARGB is significantly more affordable at C$24.59. This stark price difference sets the stage for a detailed exploration of their features and capabilities.

Performance and Cooling Efficiency

The ID-COOLING FROZN A720 Black excels in heat dissipation, featuring a dual-tower heatsink and two 140mm fans that deliver a maximum airflow of 98.6 CFM. This design is complemented by seven Ф6mm copper heat pipes that efficiently absorb heat from the CPU, ensuring optimal cooling performance. In contrast, the Thermalright Assassin King 120 SE ARGB, while still effective, provides a maximum airflow of 66.17 CFM with its 120mm fan. Despite this lower airflow, the Assassin King maintains a noise level of just 25.6 dB(A), making it a quieter option under load.

Aesthetic Appeal

Aesthetics play an important role in PC building, and here the ID-COOLING FROZN A720 Black shines with its all-black design, seamlessly blending into dark-themed setups. Its sleek appearance is complemented by two FDB fans that contribute to its visual appeal while ensuring a quieter operation. On the other hand, the Thermalright Assassin King 120 SE ARGB features colourful ARGB light effects that can enhance the overall look of a build, particularly for gamers and those wanting a vibrant setup. However, this cooler is bulkier at 148mm in height compared to the more compact FROZN A720, which stands at 6.4 inches (approximately 162.56mm).

Noise Levels and Operation

Noise levels are a significant factor for many users, particularly in quiet environments. The FROZN A720 Black operates at a noise level of 33.5 dB(A) at maximum airflow, which may be noticeable during intense gaming or heavy workloads. Conversely, the Thermalright Assassin King 120 SE ARGB is quieter, achieving a maximum noise level of just 25.6 dB(A) while delivering effective cooling. This makes the Assassin King a preferable choice for users prioritizing silent operation alongside good performance.

Installation and Compatibility

Both the ID-COOLING FROZN A720 Black and the Thermalright Assassin King 120 SE ARGB boast hassle-free installation processes compatible with various Intel and AMD sockets. The FROZN A720 supports Intel LGA2011/1700/1851/1200/1150/1151/1155/1156 and AMD AM4/AM5, while the Assassin King covers Intel 115X/1200/1700/17XX and AMD AM4/AM5. However, the FROZN A720 provides 58mm clearance for RAM in single fan mode, which may be beneficial for users with tall RAM modules.

Build Quality and Design

Build quality is essential for ensuring long-lasting performance. The ID-COOLING FROZN A720 Black features a robust design with seven copper heat pipes that contribute to its effective thermal management. In comparison, the Thermalright Assassin King 120 SE ARGB is constructed from aluminium and includes S-FDB bearings that ensure a service life of up to 20,000 hours. While both coolers offer solid construction, the FROZN A720's additional heat pipes may enhance its longevity and performance under sustained use.

Brand Reputation and Support

ID-COOLING and Thermalright both have established reputations in the cooling solutions market, but they cater to slightly different audiences. ID-COOLING focuses on performance and aesthetic designs, appealing to hardcore users and builders. In contrast, Thermalright, with over 20 years of experience, is well-regarded for its reliability and innovation in CPU cooling technology. This brand loyalty can influence purchasing decisions, as customers often consider the support and warranty options offered by the manufacturer.

Price and Value

Price is a significant consideration when evaluating CPU coolers. The ID-COOLING FROZN A720 Black is priced at C$110.92, reflecting its dual-tower design and higher performance capabilities. Meanwhile, the Thermalright Assassin King 120 SE ARGB is considerably cheaper at C$24.59, making it an attractive option for budget-conscious consumers. However, while the Assassin King offers great value, the performance gap in cooling efficiency and noise levels may justify the higher price of the FROZN A720 for users who demand top-tier performance.

Which should you buy?

Deciding between the ID-COOLING FROZN A720 Black and the Thermalright Assassin King 120 SE ARGB ultimately depends on your specific needs and budget. If you prioritize high performance, superior cooling capabilities, and aesthetic integration into a dark-themed build, the FROZN A720 Black is worth the investment. However, if you are looking for a more budget-friendly solution that still delivers decent performance and operates quietly, the Thermalright Assassin King 120 SE ARGB is an excellent choice. Evaluate your requirements, and choose accordingly to ensure you get the best cooling solution for your setup.

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ID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler vs Thermalright Assassin King 120 SE ARGB CPU Air Cooler | versusfinder