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Noctua NH-L9x65 chromax.Black vs ID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler

Updated August 2026The Noctua NH-L9x65 is ideal for compact builds with a lower price, while the ID-COOLING FROZN A720 offers superior cooling performance for larger systems.

The Noctua NH-L9x65 is ideal for compact builds with a lower price, while the ID-COOLING FROZN A720 offers superior cooling performance for larger systems.

Why Noctua NH-L9x65 chromax.Black is better

price

Noctua is cheaper at C$101.95

size

Noctua is more compact at 65mm height

noise

Noctua has a quieter operation with a single fan

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

cooling

ID-COOLING has dual-tower design for better heat dissipation

RAM clearance

ID-COOLING offers 58mm RAM clearance in single fan mode

performance

ID-COOLING supports higher performance CPUs with 7 heat pipes

Overall score

Noctua NH-L9x65 chromax.Black
78
ID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler
85

Specifications

SpecNoctua NH-L9x65 chromax.BlackID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler
Cooling TypeAirAir
Fan Count12
Noise LevelUltra-quiet33.5 dB(A)
InstallationEasyModerate
CompatibilityIntel/AMDIntel/AMD

Dimension comparison

Noctua NH-L9x65 chromax.BlackID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler

Overview of the Noctua NH-L9x65 chromax.Black and ID-COOLING FROZN A720 Black

The Noctua NH-L9x65 chromax.Black is a compact low-profile cooler, while the ID-COOLING FROZN A720 Black is a dual-tower air CPU cooler. The Noctua is priced at C$101.95, making it more affordable than the ID-COOLING, which costs C$110.92. Each cooler targets different use cases and system builds, making them suited for distinct audiences.

The Noctua cooler is designed for small form factor builds and offers a height of just 65mm, making it ideal for HTPCs and ITX systems. In contrast, the ID-COOLING FROZN A720 stands at 6.4 inches in height, providing a more robust cooling solution suitable for larger cases and higher-performance systems.

Cooling Performance

In terms of cooling performance, the ID-COOLING FROZN A720 Black has an edge thanks to its dual-tower design and the presence of two 140mm fans. This configuration allows for superior heat dissipation, making it suitable for more demanding CPUs. The seven Ф6mm copper heat pipes enhance its ability to absorb heat effectively.

The Noctua NH-L9x65, while excellent for compact builds, is recommended for CPUs with low to moderate heat dissipation. It features a single 92mm fan, which, although efficient, may not match the cooling capabilities of the dual-fan setup of the ID-COOLING. Therefore, for high-performance needs, the FROZN A720 is likely the better choice.

Aesthetic Appeal

When it comes to aesthetics, both coolers boast an all-black design that can seamlessly blend into various system builds. The Noctua NH-L9x65 chromax.Black presents a sleek and minimalist look, suitable for users who appreciate understated elegance in their setups.

The ID-COOLING FROZN A720 Black, with its dual-tower structure, offers a more aggressive appearance, appealing to those who prefer a bold statement in their gaming or performance rigs. The aesthetic choice ultimately boils down to personal preference, as both coolers provide a visually appealing black finish that can enhance any build.

RAM Compatibility

RAM compatibility is pivotal when selecting a CPU cooler, especially for compact systems. The Noctua NH-L9x65 features a 95x95mm footprint, allowing it to stay clear of RAM and PCIe slots, making installation and accessibility easier. This design is particularly beneficial for small form factor builds where space is constrained.

In contrast, the ID-COOLING FROZN A720 offers 58mm clearance for RAM when operating in single-fan mode. This design consideration allows users to install taller RAM modules without interference, which can be crucial for high-performance memory kits. Thus, the Noctua may be more suitable for ultra-compact builds, while the FROZN A720 provides flexibility for users with larger memory solutions.

Noise Levels

Noise levels are an essential factor for many users, particularly in home and office environments. The Noctua NH-L9x65 features an optimised NF-A9x14 slim 92mm fan with PWM support and a Low-Noise Adaptor, ensuring ultra-quiet operation. This makes it an excellent choice for users who prioritise silence in their builds.

On the other hand, the ID-COOLING FROZN A720 employs two 140mm PWM fans, which also deliver low noise levels during operation. The maximum noise level is rated at 33.5dB(A), which is relatively quiet for such a high-performance cooler. While both coolers are designed for quiet operation, the Noctua may have a slight advantage in noise levels due to its lower total height and single-fan design.

Installation Ease

Both the Noctua NH-L9x65 and the ID-COOLING FROZN A720 are designed for hassle-free installation across various Intel and AMD sockets. The Noctua cooler includes the SecuFirm2 mounting system, which is known for its simplicity and reliability, making it easy for users to install without complications.

The ID-COOLING FROZN A720 also promises straightforward installation, but with a more complex dual-tower design, it may require a bit more attention to detail during setup. Users who are new to PC building may find the Noctua slightly easier to work with, particularly in tight spaces.

Price Comparison

The Noctua NH-L9x65 is priced at C$101.95, making it an attractive option for users on a budget or those constructing compact builds. Its lower price point reflects its niche application, focusing on efficiency in small form factor systems.

In contrast, the ID-COOLING FROZN A720 comes in at C$110.92, which, while still competitive, reflects its larger size and enhanced performance capabilities. Users should consider their specific needs—if budget constraints are a primary concern, the Noctua may be the better option. However, for those needing robust cooling performance, the slightly higher investment in the ID-COOLING could be justified.

Which should you buy?

Choosing between the Noctua NH-L9x65 chromax.Black and the ID-COOLING FROZN A720 Black ultimately depends on your specific needs and system requirements. The Noctua is ideal for compact builds where space is at a premium, offering a quiet operation and sufficient cooling for lower to moderate heat CPUs, all at a lower price of C$101.95.

On the other hand, if you require superior cooling performance and are working with a larger case that can accommodate a dual-tower cooler, the ID-COOLING FROZN A720, priced at C$110.92, would be the better choice. It excels in heat dissipation and RAM compatibility, making it suitable for more demanding applications. In conclusion, assess your build requirements, budget, and cooling needs to make the best decision for your setup.

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Noctua NH-L9x65 chromax.Black vs ID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler | versusfinder