Bitmain Antminer S3 vs Whatsminer M63S+
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S3 | Specification | Whatsminer M63S+ |
|---|---|---|
| 478.0 GH/s | Hashrate | 450.0 TH/s |
| 366 W | Power Consumption | 7,650 W |
| 765.7 J/TH | Efficiency | 17.0 J/TH |
| — | Noise Level | 50 dB |
| 5,200.0 kg | Weight | 27.5 kg |
| 1,249 BTU/hr | BTU Output | 26,102 BTU/hr |
| 34/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S3
Whatsminer M63S+
Based on BTC price of $71,322 and current network difficulty as of Mar 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Whatsminer M63S+ wins on 4 of 5 factors (efficiency, hashrate, home mining score, noise level). The Bitmain Antminer S3 holds the edge in power consumption. 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
Whatsminer M63S+Score: 44/100. 50 dB noise level.
Best for Efficiency
Whatsminer M63S+17.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S3 or Whatsminer M63S+ more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S3 is more profitable at $-0.86/day compared to $-4.45/day for the Whatsminer M63S+. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S3 or Whatsminer M63S+?
The Whatsminer M63S+ is quieter at 50 dB compared to the Bitmain Antminer S3 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S3 or Whatsminer M63S+?
The Whatsminer M63S+ scores 44/100 on our Home Mining Score (vs 34/100 for the Bitmain Antminer S3). 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 Bitmain Antminer S3 and Whatsminer M63S+?
The Bitmain Antminer S3 runs at 765.7 J/TH while the Whatsminer M63S+ runs at 17.0 J/TH — a difference of 748.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.