The Noctua NH-L9i-17xx wins in 2 out of 3 comparable specs. Its biggest advantage is Noise Level (16% better).
AK620 wins in 1 spec (TDP Rating: 300% better).
Recommendation
Choose NH-L9i-17xx if you want the best overall performance — especially noise level.
Choose AK620 if tdp rating matters more to you.
| Spec | DeepCoolAK620 | NoctuaNH-L9i-17xx |
|---|---|---|
| Design | ||
| Type | Air Tower | Low Profile |
| Height | 160 mm | 37 mm |
| Performance | ||
| TDP Rating | 260W+300% | 65W |
| Fans | 2 | 1 |
| Fan Size | 120 mm | 92 mm |
| Acoustics | ||
| Noise Level | 28 dB(A) | 23.6 dB(A)−16% |
| Fan RPM |
| 500 - 1850 |
| 600 - 2500 |
| Compatibility | ||
| Sockets | LGA2011-3, LGA2011, LGA2066, LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151, LGA1150, AM5, AM4 | LGA1851, LGA1700 |
| Price | ||
| MSRP | $50 | $45−10% |
| Release Date | Sep 2021 | Nov 2021 |
