Antminer S23 Hyd. vs SEALMINER A4 Pro Hydro

Both are hydro-cooled machines for SHA-256 (Bitcoin) mining on three-phase AC, each rated at 35 °C inlet coolant. Bitmain rates the Antminer S23 Hyd. at 580 TH/s on 5,510 W (9.5 J/TH); Bitdeer rates the SEALMINER A4 Pro Hydro at 680 TH/s on 7,412 W (10.9 J/TH). The A4 Pro Hydro gives about 17% more hashrate for about 35% more power, so the S23 Hyd. uses about 13% less electricity per terahash. The S23 Hyd. takes 380–415 V at up to 12 A and coolant at 20–50 °C; the A4 Pro Hydro takes 380–480 V at up to 17 A and coolant at 20–55 °C. The S23 Hyd. measures 410 × 170 × 209 mm and weighs 13.5 kg net; the A4 Pro Hydro is a flat 482 × 665 × 86 mm unit (W × D × H) weighing 20.5 kg. 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 Hyd. and SEALMINER A4 Pro Hydro, checked 2026-10-10.