Antminer KS5 (20Th) vs L21
Side-by-side mining comparison: specs, per-algorithm benchmarks, efficiency and current profitability.
| Type | ASIC | ASIC | |
| Power | 3000 W | 950 W | |
| Release | 2024-03 | 2018-01 | |
| Best opportunity |  KASNetwork |  LTCNetwork | |
| Profit/day | $-1.68 | $-1.78 | |
| Score | 58/100 | 49/100 | |
| View details → | View details → |
Benchmarks by algorithm
Best available benchmark per device; efficiency = hashrate per watt.
| Algorithm | Antminer KS5 (20Th) | L21 | |
|---|---|---|---|
| KHeavyHash | 20 TH/s3000 W · 6.667 GH/s/W | not supported | |
| Scrypt | not supported | 550 MH/s950 W · 578.9 kH/s/W |