Miner comparison
Antminer S23 vs SEALMINER A4 Pro Air
Both are air-cooled machines for SHA-256 (Bitcoin) mining, specified for a 220–277 V AC supply and rated at 25 °C. Bitmain rates the Antminer S23 at 305 TH/s on 3,355 W (11 J/TH); Bitdeer rates the SEALMINER A4 Pro Air at 336 TH/s on 3,662.4 W (10.9 J/TH). The A4 Pro Air gives about 10% more hashrate for about 9% more power, so the two are within 1% of each other on energy per terahash. The S23 draws up to 20 A, the A4 Pro Air up to 27 A. The Bitdeer unit is about the same height (292 against 293 mm) but 85 mm shorter in its longest side and 5.1 kg lighter (15.5 against 20.6 kg net). Bitmain rates the S23 at 76 dBA; Bitdeer publishes no noise figure. The table below and the calculator work out what these figures mean with current network data.
Figures: Bitmain and Bitdeer specification pages for Antminer S23 and SEALMINER A4 Pro Air, checked 2026-10-10.
| Compare |  Bitmain Antminer S23Available |  Bitdeer SEALMINER A4 Pro AirAvailable |
|---|---|---|
| Price | ||
| Price | $7,931.55 | $3,799.05 |
| Price per TH/s | $26.01/TH | $11.31/TH |
| Condition | New | New |
| Specifications | ||
| Hashrate | 305 TH/s (±3%) | 336 TH/s (±10%) |
| Power consumption | 3,355 W (±5%) | 3,662.4 W (±10%) |
| Efficiency | 11 J/TH | 10.9 J/TH |
| Algorithm | SHA-256 | SHA-256 |
| Input voltage | 220–277 V AC | — |
| Electrical phase | Single-phase | — |
| Cooling type | Air-cooled | Air-cooled |
| Noise level | 76 dB | — |
| Dimensions (L × W × H) | 450 × 219 × 293 mm | — |
| Net weight | 20.6 kg | — |
| Operating temperature | -20–45 °C | -20–50 °C |
| Release date | — | April 7, 2026 |
| Operating economics | ||
| Electricity cost / day at $0.06/kWh | $4.83 | $5.27 |
| Est. revenue / day | $10.83 | $11.93 |
| Est. net / day at $0.06/kWh | $6.00 | $6.65 |
| Break-even electricity price | $0.134/kWh | $0.136/kWh |
Green marks the better value in a row (higher hashrate; lower power, J/TH, noise, weight, price and electricity cost). Specifications are as recorded for each product; “—” means the value is not stated. Economics are estimates at network conditions of 2026-10-28, $0.06/kWh, 2% pool fee and 100% uptime, and are not a forecast of earnings.
Go further
Want a different pair? Build your own comparison.
Wholesale & project supply
Deciding between models for a larger order?
Send both models and your quantity. Sales quotes each option with current batch availability and freight so you can compare landed cost.