Noctua NH-L9i-17xx vs ID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler
Updated August 2026 — The Noctua NH-L9i-17xx is a compact and quiet option for moderate heat loads, while the ID-COOLING FROZN A720 Black offers superior cooling performance for high-demand CPUs.
The Noctua NH-L9i-17xx is a compact and quiet option for moderate heat loads, while the ID-COOLING FROZN A720 Black offers superior cooling performance for high-demand CPUs.
Why Noctua NH-L9i-17xx is better
Price
Noctua is significantly cheaper at C$59.95.
Size
Noctua is only 37mm tall, ideal for compact builds.
Noise
Noctua operates whisper-quiet, especially at idle.
Why ID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler is better
Cooling Performance
ID-COOLING has dual-tower design and higher airflow.
Aesthetic Appeal
ID-COOLING features an all-black design.
Heat Dissipation
ID-COOLING has 7 heat pipes for better heat transfer.
Overall score
Specifications
| Spec | Noctua NH-L9i-17xx | ID-COOLING FROZN A720 Black - 6.4" Height Black Dual-Tower Air CPU Cooler |
|---|---|---|
| Price | C$59.95 | C$110.92 |
| Fan Type | 92mm Slim | 140mm FDB |
| Noise Level | Whisper-quiet | 33.5 dB(A) |
| Warranty | 6 years | 2 years |
| Heat Pipes | 4 | 7 |
Dimension comparison
Price Comparison
The Noctua NH-L9i-17xx is priced at C$59.95, while the ID-COOLING FROZN A720 Black is significantly higher at C$110.92. This marks a difference of C$50.97 between the two CPU coolers. For budget-conscious consumers or those seeking efficient cooling without breaking the bank, the Noctua model presents a compelling option. However, the ID-COOLING cooler justifies its higher price with additional features aimed at improved performance and aesthetics. Thus, if budget is your primary concern, the Noctua is the clear winner in this category.
Cooling Performance
When it comes to cooling performance, the ID-COOLING FROZN A720 Black boasts a dual-tower heatsink combined with two 140mm fans, which enhances heat dissipation capabilities. This design allows it to achieve a maximum airflow of 98.6 CFM, ensuring that your CPU stays cool under heavy loads. In contrast, the Noctua NH-L9i-17xx features a single NF-A9x14 slim 92mm fan. While it is known for being whisper-quiet, its lower airflow capacity may not match the FROZN A720 during intense tasks. This makes the ID-COOLING cooler a better option for users with high-performance CPUs, while the Noctua may be suitable for moderate heat loads.
Size and Compatibility
The Noctua NH-L9i-17xx is exceptionally compact, measuring only 37mm in height, making it ideal for small form factor (SFF) cases and HTPC builds. It guarantees 100% compatibility with RAM and PCIe slots on various motherboard types. On the other hand, the ID-COOLING FROZN A720 Black has a height of 6.4 inches (approximately 162mm), which may limit its compatibility with smaller cases. However, it offers 58mm of RAM clearance in single fan mode, which still supports most builds. For those prioritizing compactness, the Noctua is the better fit, while the ID-COOLING offers more substantial cooling capabilities at the expense of size.
Noise Levels
Noise levels are an important factor for many users, especially in quiet environments. The Noctua NH-L9i-17xx is designed for whisper-quiet operation, particularly at idle, due to its Low-Noise Adaptor and PWM functionality. In contrast, the ID-COOLING FROZN A720 Black, while featuring FDB fans for quieter operation, has a maximum noise level of 33.5 dB(A). This may be acceptable for many users, but it still presents a potential downside for those seeking absolute silence. The Noctua cooler clearly stands out for users who want a near-silent experience, especially for media-centric builds.
Installation Process
Both the Noctua NH-L9i-17xx and the ID-COOLING FROZN A720 Black promise hassle-free installation. The Noctua comes equipped with a SecuFirm2 mounting system specifically designed for Intel LGA1700 and LGA1851 CPUs, allowing for a straightforward setup. Meanwhile, the ID-COOLING FROZN A720 Black also offers an easy installation process compatible with a range of Intel and AMD sockets, including LGA2011, LGA1700, and AM4/AM5. While both coolers excel in this area, the Noctua may have a slight edge for users solely focused on Intel platforms.
Aesthetic Appeal
Aesthetically, the ID-COOLING FROZN A720 Black features an all-black layout that can seamlessly blend into many computer cases, particularly those with dark interiors. This can enhance the overall look of a gaming or workstation setup. The Noctua NH-L9i-17xx, while not as visually striking, maintains a classic design that appeals to users who prefer a more understated look. Those who value aesthetics might lean towards the ID-COOLING cooler for its modern styling, even if the performance differences are marginal.
Brand Reputation
Noctua is widely regarded in the PC cooling industry, having received more than 200 awards and recommendations from international hardware websites for its products. Their reputation for quality is bolstered by a 6-year manufacturer’s warranty, providing added peace of mind for consumers. ID-COOLING, while growing in popularity, does not yet have the same level of recognition as Noctua. For users who prioritize brand reliability and proven performance, the Noctua NH-L9i-17xx may be the more attractive choice based on brand reputation alone.
Which should you buy?
Choosing between the Noctua NH-L9i-17xx and the ID-COOLING FROZN A720 Black comes down to your specific needs and preferences. If you are looking for a cost-effective, compact, and quiet cooler primarily for moderate heat loads, the Noctua NH-L9i-17xx is an excellent option. Conversely, if you require superior cooling performance, especially for high-demand CPUs, and don't mind the extra size and cost, the ID-COOLING FROZN A720 Black would be the better choice. Ultimately, both coolers have their merits, but your decision should be guided by your particular setup and cooling requirements.
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