Antminer S21 vs Whatsminer M50
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 | Specification | Whatsminer M50 |
|---|---|---|
| 200.0 TH/s | Hashrate | 114.0 TH/s |
| 3,500 W | Power Consumption | 3,306 W |
| 17.5 J/TH | Efficiency | 29.0 J/TH |
| 75 dB | Noise Level | 75 dB |
| 14.6 kg | Weight | 12.5 kg |
| 11,942 BTU/hr | BTU Output | 11,280 BTU/hr |
| 36/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Antminer S21
Whatsminer M50
Based on BTC price of $70,927 and current network difficulty as of Mar 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer S21 wins on 2 of 4 factors (efficiency, hashrate). The Whatsminer M50 holds the edge in power consumption 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
TieBoth miners produce similar daily profit.
Best for Home Mining
TieBoth miners are equally suitable for home use.
Best for Efficiency
Antminer S2117.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S21 or Whatsminer M50 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 is more profitable at $-2.25/day compared to $-4.43/day for the Whatsminer M50. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S21 or Whatsminer M50?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Antminer S21 or Whatsminer M50?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
What is the efficiency difference between Antminer S21 and Whatsminer M50?
The Antminer S21 runs at 17.5 J/TH while the Whatsminer M50 runs at 29.0 J/TH — a difference of 11.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.