vsversusfinder

ID-COOLING IS-55 Black CPU Cooler Low Profile vs Thermalright TL-C12C X3 CPU Fan

Updated August 2026 — ID-COOLING IS-55 Black CPU Cooler Low Profile leads on heat dissipation and noise level.

The ID-COOLING IS-55 offers superior cooling performance in a compact design, while the Thermalright TL-C12C X3 provides excellent value at a lower price. Choose based on your specific needs.

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

Cooling Performance

ID-COOLING has 54.6 CFM airflow.

Noise Level

ID-COOLING operates quieter at 13.8-31.2 dB(A).

Design

ID-COOLING is low-profile at 57mm.

Why Thermalright TL-C12C X3 CPU Fan is better

Price

Thermalright is $11.99, 70% cheaper.

Airflow

Thermalright has higher airflow at 66.17 CFM.

Versatility

Thermalright can be used as a case fan.

Overall score

ID-COOLING IS-55 Black CPU Cooler Low Profile
85
Thermalright TL-C12C X3 CPU Fan
75

Specifications

SpecID-COOLING IS-55 Black CPU Cooler Low ProfileThermalright TL-C12C X3 CPU Fan
Airflow54.6 CFM66.17 CFM
Noise Level13.8-31.2 dB(A)25.6 dB(A)
CompatibilityIntel/AMDCase/CPU
Fan TypePWMPWM
Heat Pipes50

Dimension comparison

ID-COOLING IS-55 Black CPU Cooler Low ProfileThermalright TL-C12C X3 CPU Fan

Overview of ID-COOLING IS-55 Black CPU Cooler

The ID-COOLING IS-55 Black CPU Cooler is a compact and efficient air cooler designed for users with space constraints. Priced at $39.99, it features a low-profile design with a height of only 57mm, making it ideal for small form factor (SFF) builds. The cooler is equipped with five heat pipes and a 120mm PWM fan, which ensures effective heat dissipation while maintaining a low noise level.

This cooler's unique aspects include its compatibility with various Intel and AMD sockets, making it versatile for different systems. The PWM fan operates quietly, with a noise level ranging from 13.8 to 31.2 dB(A), while providing a maximum airflow of 54.6 CFM. This combination of features makes it a strong contender for those looking to optimize their cooling solutions without sacrificing space.

Overview of Thermalright TL-C12C X3 CPU Fan

The Thermalright TL-C12C X3 CPU Fan offers an economical cooling solution at just $11.99, making it about 70% cheaper than the ID-COOLING IS-55. This fan is a 120mm case cooler that can also serve as an additional cooling option for CPU coolers. It features a maximum speed of 1550 RPM and an airflow capacity of 66.17 CFM, providing substantial cooling performance.

Equipped with quality S-FDB bearings, the TL-C12C X3 minimizes noise and vibration, which is crucial for maintaining a quiet PC environment. Additionally, this fan includes soft silicone corner pads that reduce vibration, further contributing to its silent operation. While it may not be a complete cooler on its own, its versatility and price make it a valuable addition to any setup.

Cooling Performance Comparison

The cooling performance of the ID-COOLING IS-55 is commendable, thanks to its five heat pipes and PWM fan. It can achieve a maximum airflow of 54.6 CFM, which is adequate for cooling most CPUs effectively. The fan's noise level, which can vary from 13.8 to 31.2 dB(A), ensures that it remains relatively quiet during operation, making it suitable for home theater PCs and quiet builds.

In contrast, the Thermalright TL-C12C X3 provides a higher maximum airflow of 66.17 CFM, which may offer better cooling performance in certain configurations. Its maximum speed of 1550 RPM allows it to adapt to varying thermal loads, ensuring efficient cooling when the system demands it. However, this fan operates at a noise level of 25.6 dB(A), which is higher than the ID-COOLING when under load. Thus, while the TL-C12C X3 may cool better in some scenarios, the quieter operation of the ID-COOLING could be preferable in noise-sensitive environments.

Design and Compatibility

The design of the ID-COOLING IS-55 is tailored for compact builds, with a height of only 57mm. This low-profile design allows it to fit comfortably in smaller cases while providing sufficient cooling capabilities. It is compatible with various Intel (LGA 1851/1700/1200/115X) and AMD (AM4/AM5) sockets, making it a flexible choice for a range of processors.

The Thermalright TL-C12C X3, while slightly larger at 120x120x25mm, is designed primarily as a case fan but can also support CPU cooling applications. Its 4-pin PWM connector allows for automatic speed adjustments based on system temperature, enhancing its compatibility with various setups. However, it does not possess the same low-profile advantage that the ID-COOLING offers, which could be a deciding factor for users with limited space.

Noise Levels and Operation

Noise levels are a significant consideration when choosing cooling solutions, particularly for users who prioritize a quiet computing experience. The ID-COOLING IS-55 operates quietly, with noise levels ranging from 13.8 dB(A) at lower speeds to 31.2 dB(A) at maximum capacity. This makes it an excellent choice for users who want effective cooling without intrusive noise.

On the other hand, the Thermalright TL-C12C X3 operates at a maximum noise level of 25.6 dB(A). While this is relatively quiet for a 120mm fan, it is notably louder than the ID-COOLING when both are operating at their peak performance. Users who value silence might lean towards the ID-COOLING, while those who prioritize cooling performance may find the TL-C12C X3's higher airflow worth the slight increase in noise.

Price and Value

With a price point of $39.99, the ID-COOLING IS-55 is a more significant investment compared to the Thermalright TL-C12C X3, which is priced at $11.99. This makes the TL-C12C X3 about 70% cheaper. However, the higher price of the ID-COOLING reflects its additional features, including a more compact design and a dedicated CPU cooler function.

For users on a budget, the Thermalright TL-C12C X3 offers solid value and performance for its price. It can be a great option for those looking to enhance their system's cooling without breaking the bank. However, for those seeking a dedicated CPU cooler with a focus on low-profile design and quieter operation, the ID-COOLING IS-55 justifies its higher price by delivering superior cooling capabilities tailored for smaller builds.

Which should you buy?

Choosing between the ID-COOLING IS-55 Black CPU Cooler and the Thermalright TL-C12C X3 CPU Fan ultimately depends on your specific needs. If you're looking for a dedicated CPU cooler that excels in compact spaces and operates quietly, the ID-COOLING IS-55 is the better choice despite its higher price. On the other hand, if you're seeking an economical fan that offers high airflow and versatility for both case and CPU cooling applications, the Thermalright TL-C12C X3 presents an excellent value at a significantly lower price. Evaluate your priorities—be it performance, noise levels, or budget—to make the best decision for your setup.