ARCTIC Liquid Freezer III Pro 360 A-RGB - AIO CPU vs Thermalright Peerless Assassin 120 Vision MAX ARGB
Updated July 2026 — ARCTIC Liquid Freezer III Pro 360 A-RGB - AIO CPU wins on length and airflow, Thermalright Peerless Assassin 120 Vision MAX ARGB wins on height and width.
The ARCTIC Liquid Freezer III Pro offers superior cooling performance and advanced features, while the Thermalright Peerless Assassin provides excellent value at a lower price. Choose based on your budget and cooling needs.
Why ARCTIC Liquid Freezer III Pro 360 A-RGB - AIO CPU is better
Cooling Performance
Integrated VRM fan and optimized heat transfer
Noise Levels
Quieter operation at low speeds
Design
Sleek design with A-RGB lighting
Why Thermalright Peerless Assassin 120 Vision MAX ARGB is better
Price
More affordable at $57.69
Display Feature
5-inch IPS LCD screen for monitoring
Installation
User-friendly dual-tower design
Overall score
Specifications
| Spec | ARCTIC Liquid Freezer III Pro 360 A-RGB - AIO CPU | Thermalright Peerless Assassin 120 Vision MAX ARGB |
|---|---|---|
| Cooling Type | Liquid | Air |
| Socket Support | AMD AM5/AM4, Intel LGA1851/1700 | Intel LGA1851/1700/115x, AMD AM4/AM5 |
| Fan Speed | PWM | 2150 RPM |
| Noise Level | Quiet | ≤27 dB(A) |
| RGB Lighting | Yes | Yes |
Dimension comparison
Overview of the Products
The ARCTIC Liquid Freezer III Pro 360 A-RGB is priced at $94.99, while the Thermalright Peerless Assassin 120 Vision MAX ARGB Black is available for $57.69, making it about 39% cheaper than the ARCTIC cooler. Both products are prominent options in the CPU cooling market, catering to different preferences and needs. The ARCTIC cooler employs an all-in-one liquid cooling system, whereas the Thermalright model utilizes a twin-tower air-cooling design, each with unique benefits and features.
Cooling Performance
In terms of cooling performance, the ARCTIC Liquid Freezer III Pro boasts advanced features like an integrated VRM fan and optimized contact pressure distribution for effective heat dissipation. This design ensures the cooler can handle high loads efficiently, making it suitable for overclocking scenarios. On the other hand, the Thermalright Peerless Assassin relies on its dual-tower design and six heat pipes, achieving a fan speed of up to 2150 RPM. This configuration is designed for excellent cooling efficiency, ensuring both units excel in their respective categories.
Design and Aesthetics
The ARCTIC cooler features a sleek black finish with integrated A-RGB lighting, adding a modern aesthetic to any build. Its design includes a unique offset mounting for improved heat transfer, particularly towards CPU hotspots. Conversely, the Thermalright cooler stands out with a 5-inch IPS LCD screen that displays real-time system parameters. This innovative feature allows for personalized display themes, making it not only a functional component but also a visually engaging one.
Compatibility
When it comes to compatibility, the ARCTIC Liquid Freezer III Pro is versatile, supporting both AMD AM5/AM4 and Intel LGA1851/1700 sockets, making it a great option for a variety of builds. The Thermalright Peerless Assassin also supports a wide range of sockets, including Intel LGA1851/1700/115x and AMD AM4/AM5. Both coolers cater to mainstream ATX cases, ensuring they fit well in most modern setups.
Noise Levels
Noise levels can significantly impact user experience, especially during extended use. The ARCTIC Liquid Freezer III Pro is designed to operate quietly, particularly at low speeds, due to its P12 PRO fan technology. This enhances performance while minimizing noise. The Thermalright Peerless Assassin is rated with an operating noise level of ≤27 dB(A), which is competitive and promises relatively quiet operation, although specific performance metrics under load are not provided.
Installation Process
The installation process of both coolers is designed to be user-friendly. The ARCTIC cooler features integrated cable management, which simplifies the setup by reducing clutter. This is particularly beneficial for users who want a clean installation. The Thermalright Peerless Assassin also emphasizes ease of installation, complemented by its dual-tower design. Users can expect straightforward mounting procedures for both products, although specific installation tools or methods are not detailed.
Price Comparison
Price is a crucial factor for many consumers. The ARCTIC Liquid Freezer III Pro is priced at $94.99, while the Thermalright Peerless Assassin is available for $57.69. This price difference of approximately $37.30 makes the Thermalright model about 39% more affordable. Consumers on a budget may find the Thermalright cooler to be a more attractive option, especially given its impressive features at a lower price point.
Which should you buy?
In choosing between the ARCTIC Liquid Freezer III Pro and the Thermalright Peerless Assassin, consider your specific needs and budget. The ARCTIC model may be ideal for those seeking superior cooling performance and advanced features like an integrated VRM fan and optimized mounting for heat transfer, albeit at a higher price. In contrast, the Thermalright cooler offers excellent performance at a more accessible price point, along with unique features like a built-in display for real-time monitoring. Ultimately, if budget constraints are significant, the Thermalright Peerless Assassin is a compelling choice, while the ARCTIC Liquid Freezer III Pro may suit enthusiasts willing to invest more for enhanced cooling capabilities.

