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ARCTIC Freezer 36 A-RGB - Single-Tower CPU Cooler vs Thermalright Peerless Assassin 120 Digital ARGB

Updated August 2026 — ARCTIC Freezer 36 A-RGB - Single-Tower CPU Cooler wins on installation eas and fan design, Thermalright Peerless Assassin 120 Digital ARGB wins on compatibility.

The ARCTIC Freezer 36 A-RGB offers better value and slightly superior cooling performance, while the Thermalright Peerless Assassin 120 features advanced design elements. Overall, the Freezer 36 is the better choice for budget-conscious buyers.

Why ARCTIC Freezer 36 A-RGB - Single-Tower CPU Cooler is better

Price

ARCTIC is $10.10 cheaper

Cooling Efficiency

Higher fan speed of 2000 RPM

Installation

Innovative click installation system

Why Thermalright Peerless Assassin 120 Digital ARGB is better

Heat Pipes

Thermalright has 6 heat pipes

Design Features

Includes a digital screen top cover

Height Compatibility

Compatible with more cases due to dual tower design

Overall score

ARCTIC Freezer 36 A-RGB - Single-Tower CPU Cooler
88
Thermalright Peerless Assassin 120 Digital ARGB
82

Specifications

SpecARCTIC Freezer 36 A-RGB - Single-Tower CPU CoolerThermalright Peerless Assassin 120 Digital ARGB
Fan Speed2000 RPM1850 RPM
ARGB LEDs12Black ARGB
Noise LevelNot specified≤25.6 dB(A)
Socket CompatibilityLGA 1700/1851AM4/AM5, LGA 1700/1851
Cooling TypeSingle TowerDual Tower

Dimension comparison

ARCTIC Freezer 36 A-RGB - Single-Tower CPU CoolerThermalright Peerless Assassin 120 Digital ARGB

Overview of the ARCTIC Freezer 36 A-RGB

The ARCTIC Freezer 36 A-RGB is priced at $35.80, making it about 22% cheaper than its competitor. This single-tower CPU cooler utilizes a push-pull configuration with two pressure-optimized 120 mm fans, which effectively manage heat dissipation. With four heat pipes and a fluid dynamic bearing design, it is engineered for high-performance cooling, especially suited for high-end CPUs. Its innovative fan mounting and side-flow heat sink enhance airflow and cooling efficiency, while the digital ARGB lighting adds aesthetic appeal.

Overview of the Thermalright Peerless Assassin 120 Digital ARGB Black

The Thermalright Peerless Assassin 120 Digital ARGB Black is priced at $45.90, which is a $10.10 difference compared to the ARCTIC Freezer 36 A-RGB. This cooler features a dual tower design and six heat pipes, which contribute to its excellent heat dissipation capabilities. It also boasts a digital screen top cover and operates with dual fans that achieve a maximum speed of 1850 RPM. The overall height of 162 mm makes it compatible with most ATX chassis, while its aesthetic appeal is enhanced by the black ARGB lighting.

Cooling Performance Comparison

In terms of cooling performance, the ARCTIC Freezer 36 A-RGB features four heat pipes and achieves fan speeds of 2000 RPM. Its side-flow heat sink design optimizes air movement within the case, potentially offering superior cooling efficiency for high-end CPUs. Conversely, the Thermalright Peerless Assassin 120 utilizes six heat pipes and operates at a slightly lower fan speed of 1850 RPM, but it incorporates AGHP technology to mitigate the effects of gravity on heat dissipation. Both coolers are designed for effective thermal management, but the Freezer 36 may edge out slightly in high-demand scenarios due to its higher RPM.

Design and Aesthetics

The design of the ARCTIC Freezer 36 A-RGB features a sleek, modern look with 12 A-RGB LEDs that illuminate the fan hub and rotor. This provides a vibrant visual effect inside a gaming rig. Meanwhile, the Thermalright Peerless Assassin 120’s black finish and digital screen top cover give it a distinct appearance that stands out while also serving a functional purpose. Both designs incorporate ARGB lighting, but the ARCTIC cooler may appeal more to users looking for customizable lighting options due to its comprehensive LED setup.

Installation and Compatibility

Installation and compatibility are crucial for any CPU cooler. The ARCTIC Freezer 36 A-RGB includes an innovative click installation system, simplifying the process of mounting or replacing fans. It is compatible with Intel LGA 1700 and LGA 1851 sockets, making it versatile for various setups. On the other hand, the Thermalright Peerless Assassin 120 also offers wide compatibility, supporting a range of sockets including AMD AM4/AM5 and several Intel formats. However, its slightly taller height of 162 mm may pose installation challenges in tighter cases, where the slimmer profile of the Freezer 36 could be advantageous.

Noise Levels and Operational Efficiency

Noise levels are an important consideration for users who prefer quieter operation. The ARCTIC Freezer 36 A-RGB operates quietly, although exact dB levels are not specified. Its design aims to balance performance with noise control effectively. The Thermalright Peerless Assassin 120, with an operational noise level capped at 25.6 dB(A), provides an assurance of quiet operation, which is beneficial for users sensitive to noise. While both coolers aim to minimize noise, the Peerless Assassin has a defined maximum noise level, giving users clear expectations.

Price and Value Proposition

With the ARCTIC Freezer 36 A-RGB priced at $35.80 and the Thermalright Peerless Assassin 120 at $45.90, the ARCTIC cooler offers about a 22% cost advantage. This price difference may influence budget-conscious buyers looking for effective cooling solutions without compromising on performance. While both options provide solid performance and features, the Freezer 36’s lower price could make it a more attractive value proposition for many consumers.

Which should you buy?

Choosing between the ARCTIC Freezer 36 A-RGB and the Thermalright Peerless Assassin 120 Digital ARGB Black ultimately depends on your specific needs and preferences. If you prioritize a cost-effective solution with high-performance cooling and aesthetic appeal, the ARCTIC Freezer 36 A-RGB is the better choice at $35.80. However, if you seek a cooler with advanced design features, including a digital display and slightly enhanced heat dissipation capabilities, the Thermalright Peerless Assassin 120, despite its higher price of $45.90, could be worth the investment. Both coolers have their strengths, so consider what features matter most to you before making a decision.