Bitmain Antminer S21 XP Immersion vs Whatsminer M63
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 XP Immersion | Specification | Whatsminer M63 |
|---|---|---|
| 300.0 TH/s | Hashrate | 360.0 TH/s |
| 4,050 W | Power Consumption | 7,200 W |
| 13.5 J/TH | Efficiency | 20.0 J/TH |
| 50 dB | Noise Level | 50 dB |
| 14.4 kg | Weight | 27.5 kg |
| 13,819 BTU/hr | BTU Output | 24,566 BTU/hr |
| 44/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S21 XP Immersion
Whatsminer M63
Based on BTC price of $73,679 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S21 XP Immersion wins on 3 of 4 factors (efficiency, power consumption, price-performance). The Whatsminer M63 holds the edge in hashrate. 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
Bitmain Antminer S21 XP Immersion13.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S21 XP Immersion or Whatsminer M63 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 XP Immersion is more profitable at $-0.14/day compared to $-5.78/day for the Whatsminer M63. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S21 XP Immersion or Whatsminer M63?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer S21 XP Immersion or Whatsminer M63?
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 Bitmain Antminer S21 XP Immersion and Whatsminer M63?
The Bitmain Antminer S21 XP Immersion runs at 13.5 J/TH while the Whatsminer M63 runs at 20.0 J/TH — a difference of 6.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.