Antminer S21 Pro vs Whatsminer M50S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 Pro | Specification | Whatsminer M50S |
|---|---|---|
| 234.0 TH/s | Hashrate | 126.0 TH/s |
| 3,510 W | Power Consumption | 3,276 W |
| 15.0 J/TH | Efficiency | 26.0 J/TH |
| 75 dB | Noise Level | 75 dB |
| 15.0 kg | Weight | 12.8 kg |
| 11,976 BTU/hr | BTU Output | 11,178 BTU/hr |
| 30/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Antminer S21 Pro
Whatsminer M50S
Based on BTC price of $80,748 and current network difficulty as of May 10, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer S21 Pro wins on 2 of 5 factors (efficiency, hashrate). The Whatsminer M50S holds the edge in power consumption and home mining score and price-performance. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
Antminer S21 Pro$3.58/day higher profit at current rates.
Best for Home Mining
Whatsminer M50SScore: 36/100. 75 dB noise level.
Best for Efficiency
Antminer S21 Pro15.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S21 Pro or Whatsminer M50S more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 Pro is more profitable at $0.54/day compared to $-3.03/day for the Whatsminer M50S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S21 Pro or Whatsminer M50S?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Antminer S21 Pro or Whatsminer M50S?
The Whatsminer M50S scores 36/100 on our Home Mining Score (vs 30/100 for the Antminer S21 Pro). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
What is the efficiency difference between Antminer S21 Pro and Whatsminer M50S?
The Antminer S21 Pro runs at 15.0 J/TH while the Whatsminer M50S runs at 26.0 J/TH — a difference of 11.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.