The Noctua NH-U12S Redux wins in 2 out of 3 comparable specs. Its biggest advantage is TDP Rating (79% better).
NH-L12S wins in 1 spec (Noise Level: 5% better).
Recommendation
Choose NH-U12S Redux if you want the best overall performance — especially tdp rating.
Choose NH-L12S if noise level matters more to you.
| Spec | NoctuaNH-L12S | NoctuaNH-U12S Redux |
|---|---|---|
| Design | ||
| Type | Low Profile | Air Tower |
| Height | 70 mm | 158 mm |
| Performance | ||
| TDP Rating | 95W | 170W+79% |
| Fans | 1 | 1 |
| Fan Size | 120 mm | 120 mm |
| Acoustics | ||
| Noise Level | 23.9 dB(A)−5% | 25.1 dB(A) |
| Fan RPM | 450 - 1850 | 450 - 1700 |
| Compatibility | ||
| Sockets | LGA1851, LGA1700, LGA1200, LGA1151, LGA1150, AM5, AM4 | LGA2011-3, LGA2011, LGA2066, LGA1851, LGA1700, LGA1200, LGA1156, LGA1155, LGA1151, LGA1150, AM5, AM4 |
| Price | ||
| MSRP | $55 | $50−9% |
| Release Date | Jan 2018 | Sep 2021 |