Bitmain Antminer S21+ Hyd (358Th) vs Whatsminer M63
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21+ Hyd (358Th) | Specification | Whatsminer M63 |
|---|---|---|
| 358.0 TH/s | Taux de hachage | 360.0 TH/s |
| 5,370 W | Consommation électrique | 7,200 W |
| 15.0 J/TH | Efficiency | 20.0 J/TH |
| 50 dB | Niveau de bruit | 50 dB |
| 12.8 kg | Weight | 27.5 kg |
| 18,322 BTU/hr | BTU Output | 24,566 BTU/hr |
| 44/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S21+ Hyd (358Th)
Whatsminer M63
Based on BTC price of $78,190 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain Antminer S21+ Hyd (358Th) l'emporte sur 3 des 4 facteurs (efficacité, consommation électrique, rapport qualité-prix). Its biggest concrete edge: 25% better power draw (5,370 vs 7,200 W). The Whatsminer M63 claws back ground on hashrate. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer S21+ Hyd (358Th) and Whatsminer M63 sit on each measurable spec:
- Whatsminer M63 1% more hashrate (358 vs 360 TH/s)
- Bitmain Antminer S21+ Hyd (358Th) 25% better power draw (5,370 vs 7,200 W)
- Bitmain Antminer S21+ Hyd (358Th) 25% better efficacité (15.0 vs 20.0 J/TH)
- Bitmain Antminer S21+ Hyd (358Th) 53% better weight (12.8 vs 27.5 kg)
- Whatsminer M63 34% more heat output (18,322 vs 24,566 BTU/hr)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitmain Antminer S21+ Hyd (358Th) | Metric | Whatsminer M63 |
|---|---|---|
| $2,757 | Upfront cost (MSRP) | $11,000 |
| -$0.01 | Daily net profit | -$4.33 |
| -$2,759 | Net after 1 year | -$12,579 |
| -$2,762 | Net after 2 years | -$14,158 |
| -$2,764 | Net after 3 years | -$15,738 |
| Does not pay back at current rates (negative daily profit) | Payback period | Does not pay back at current rates (negative daily profit) |
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
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+ Hyd (358Th)15.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S21+ Hyd (358Th) vs Whatsminer M63: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21+ Hyd (358Th) is more profitable at $-0.01/day compared to $-4.33/day for the Whatsminer M63. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S21+ Hyd (358Th) or the Whatsminer M63 better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
For mining at home, should I pick the Bitmain Antminer S21+ Hyd (358Th) or the Whatsminer M63?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
How far apart are the Bitmain Antminer S21+ Hyd (358Th) and Whatsminer M63 on J/TH?
The Bitmain Antminer S21+ Hyd (358Th) runs at 15.0 J/TH while the Whatsminer M63 runs at 20.0 J/TH — a difference of 5.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 25% better efficacité (15.0 vs 20.0 J/TH).