LiveBTC$77,150Hashprice$0.033/TH/dayDifficulty148.4 THalvingin 529 daysHosting space open atF49,F48,F39+7 moreas of 21:45 GST

Bitmain Antminer S19K Pro 120 TH/s vs Bitmain Antminer S21 200 TH/s

Side-by-side specifications and live market data, updated October 30, 2026.

Bitmain Antminer S19K Pro 120 TH/sBitmain Antminer S21 200 TH/s
Hashrate120 TH/s200 TH/s
Power2760 W3500 W
Efficiency23 J/TH17.5 J/TH
Efficiency band19–25 J/TH14–19 J/TH
Release year20232024
Live ads21
Median $/TH$4.17$5.25
Price range$480 – $500$1,050 – $1,050
Net per day at $0.068/kWh$0.00$0.95
24-month net before hardware$0$167

Summary

  • The Bitmain Antminer S21 200 TH/s is more efficient (17.5 vs 23 J/TH), so each terahash costs less to run.
  • At $0.068/kWh the Bitmain Antminer S21 200 TH/s earns more over 24 months before hardware ($167 vs $0).
  • Per terahash the Bitmain Antminer S19K Pro 120 TH/s is cheaper on the marketplace right now ($4.17 vs $5.25).

Per unit at $0.068/kWh, BTC at $77,145 and today's network difficulty, with 1.5% monthly difficulty growth, 95% uptime and a 2% pool fee.