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ID-COOLING IS-55 Black CPU Cooler Low Profile vs Thermalright Phantom Spirit 120 SE Black CPU

Updated August 2026 — ID-COOLING IS-55 Black CPU Cooler Low Profile wins on ram clearance, Thermalright Phantom Spirit 120 SE Black CPU wins on cooling performa and noise level.

The Thermalright Phantom Spirit 120 SE offers superior cooling performance, while the ID-COOLING IS-55 excels in compactness and quiet operation.

Why ID-COOLING IS-55 Black CPU Cooler Low Profile is better

Compact Design

ID-COOLING IS-55 is only 57mm tall.

Noise Level

ID-COOLING IS-55 operates quieter at lower noise levels.

Price

ID-COOLING IS-55 is slightly more expensive.

Why Thermalright Phantom Spirit 120 SE Black CPU is better

Cooling Performance

Thermalright Phantom Spirit has higher airflow.

Heat Pipes

Thermalright Phantom Spirit has 7 heat pipes.

Dual Fans

Thermalright Phantom Spirit features dual fans for better cooling.

Overall score

ID-COOLING IS-55 Black CPU Cooler Low Profile
75
Thermalright Phantom Spirit 120 SE Black CPU
85

Specifications

SpecID-COOLING IS-55 Black CPU Cooler Low ProfileThermalright Phantom Spirit 120 SE Black CPU
Airflow54.6 CFM66.17 CFM
Noise Level13.8-31.2 dB(A)≤25.6 dB(A)
CompatibilityIntel LGA 1851/1700/1200/1151/1150/1155/1156, AMD AM5/AM4Intel LGA 1851/1700/1150/1151/1155/1156/1200, AMD AM4/AM5
Fan TypePWM FanDual PWM Fans
Price$39.99$39.90

Dimension comparison

ID-COOLING IS-55 Black CPU Cooler Low ProfileThermalright Phantom Spirit 120 SE Black CPU

Overview of the ID-COOLING IS-55 Black CPU Cooler

The ID-COOLING IS-55 Black CPU Cooler is priced at $39.99 and boasts a low-profile design of just 57mm in height. This makes it an excellent choice for compact builds, such as HTPCs and Small Form Factor systems. The cooler features five heat pipes and a 120mm PWM fan, ensuring effective heat dissipation from the CPU. The fan operates at a maximum airflow of 54.6 CFM while maintaining a noise level ranging from 13.8 to 31.2 dB(A). Its compatibility extends to multiple Intel and AMD CPU sockets, including Intel LGA 1851 and AMD AM5.

Overview of the Thermalright Phantom Spirit 120 SE Black CPU Cooler

The Thermalright Phantom Spirit 120 SE Black CPU Cooler is slightly more affordable at $39.90, offering a dual-fan setup and a more robust cooling solution with seven heat pipes. Its dimensions are approximately 125mm x 135mm x 154mm, making it taller than the ID-COOLING IS-55. This cooler utilizes the advanced AGHP technique for improved heat dissipation and features two TL-C12B V2 PWM fans, achieving a maximum airflow of 66.17 CFM at a noise level of 25.6 dB(A). It is compatible with a wide range of Intel and AMD sockets, including LGA 1851 and AM4.

Performance Comparison

In terms of performance, the Thermalright Phantom Spirit 120 SE has the edge over the ID-COOLING IS-55 due to its dual-fan system and seven heat pipes, allowing it to achieve a higher airflow of 66.17 CFM compared to the ID-COOLING's 54.6 CFM. This translates to better cooling efficiency, particularly under load. Additionally, the Phantom Spirit's design incorporates advanced technologies that enhance heat dissipation, making it suitable for more demanding computing tasks. However, while the IS-55 may not cool as aggressively, its low noise level makes it an appealing option for quieter builds.

Design and Build Quality

The design of the ID-COOLING IS-55 is centered around compactness, standing at only 57mm tall, which is crucial for small form factor cases. Its slim profile allows for easy installation without obstructing RAM slots, making it a practical choice for budget-conscious users. Conversely, the Thermalright Phantom Spirit 120 SE offers a more elaborate design with a dual-tower structure and blackened nano coating, which enhances its aesthetic appeal and heat dissipation capabilities. However, its greater height of 154mm may limit compatibility in tighter cases.

Noise Levels

The ID-COOLING IS-55 operates at a noise level that ranges from 13.8 to 31.2 dB(A), making it one of the quieter options available. This low-noise operation is especially beneficial for users who seek a silent computing experience. On the other hand, the Thermalright Phantom Spirit 120 SE produces a maximum noise level of 25.6 dB(A), which, while still relatively quiet, may be noticeable in a noise-sensitive environment. Thus, if reduced noise is a priority, the IS-55 might be the better choice.

Ease of Installation

Both coolers are designed for compatibility with popular Intel and AMD sockets, making installation relatively straightforward. The ID-COOLING IS-55’s low-profile design allows for easier mounting in compact cases without interfering with RAM clearance. The Thermalright Phantom Spirit 120 SE, while slightly larger, also provides detailed installation instructions for different CPU platforms. However, its larger size may require more careful consideration of available space when installing.

Price Comparison

The ID-COOLING IS-55 is priced at $39.99, while the Thermalright Phantom Spirit 120 SE is marginally cheaper at $39.90, making it about 0.2% less expensive. This slight price difference may not be a significant factor for most buyers, but it does give the Phantom Spirit a slight edge in cost-effectiveness. Considering the performance advantages of the Phantom Spirit, the price difference may justify its selection over the IS-55 for users looking for superior cooling.

Which should you buy?

Choosing between the ID-COOLING IS-55 and the Thermalright Phantom Spirit 120 SE ultimately depends on your specific needs. If you prioritize a quieter operation and a compact design, the ID-COOLING IS-55 would be your best bet. However, if you seek higher cooling performance and are willing to accommodate a larger cooler, the Thermalright Phantom Spirit 120 SE is the superior option. Both coolers offer excellent value for their price, but the performance advantages of the Phantom Spirit make it a compelling choice for users looking for more robust cooling solutions.