Compare multiple ASIC miners side by side to find the best option for your mining operation.
21energy Ofen 2
Bitmain Antminer R4| Release | Apr 2026 | Feb 2017 |
| Top Coin |  | |
| Algorithm | SHA-256 | SHA-256 |
| Hashrate | 40 Th/s | 8.7 Th/s |
| Power | 1000W | 845W |
| Efficiency | 0.025j/Gh | 0.097j/Gh |
| Dimensions | 900 × 320 × 140 mm | 100 × 222 × 515 mm |
| Weight | 24000 g | 2500 g |
| Noise Level | 35 dB | 52 dB |
| Cooling | Air | Air |
| Revenue | $0.00/day | $0.00/day |
| Electricity | $2.40/day | $2.03/day |
| Profit | -$2.40/day | -$2.03/day |
| Best Price | 0 USD 0 USD/Th/s In stock | - |
| ROI | - | - |
| View |
/KWh
