Bitmain Antminer S15 (28Th) vs Whatsminer M56
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S15 (28Th) | Specification | Whatsminer M56 |
|---|---|---|
| 28.0 TH/s | Taux de hachage | 194.0 TH/s |
| 1,596 W | Consommation électrique | 5,550 W |
| 57.0 J/TH | Efficiency | 28.6 J/TH |
| — | Niveau de bruit | 50 dB |
| 7,000.0 kg | Weight | 13.0 kg |
| 5,446 BTU/hr | BTU Output | 18,937 BTU/hr |
| 28/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S15 (28Th)
Whatsminer M56
Based on BTC price of $78,067 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Whatsminer M56 comes out ahead — it takes 5 of 6 (efficacité, hashrate, score de minage domestique, niveau sonore, rapport qualité-prix). The standout gap is 593% more hashrate (28.0 vs 194.0 TH/s) in the Whatsminer M56's favour. That said, the Bitmain Antminer S15 (28Th) isn't beaten everywhere — it still wins consommation électrique. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Bitmain Antminer S15 (28Th) and Whatsminer M56 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Whatsminer M56 593% more hashrate (28.0 vs 194.0 TH/s)
- Bitmain Antminer S15 (28Th) 71% better power draw (1,596 vs 5,550 W)
- Whatsminer M56 50% better efficacité (57.0 vs 28.6 J/TH)
- Whatsminer M56 100% better weight (7,000.0 vs 13.0 kg)
- Whatsminer M56 248% more heat output (5,446 vs 18,937 BTU/hr)
- Whatsminer M56 57% more score de minage domestique (28.0 vs 44.0)
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 S15 (28Th) | Metric | Whatsminer M56 |
|---|---|---|
| $5,599 | Upfront cost (MSRP) | $5,000 |
| -$2.82 | Daily net profit | -$6.35 |
| -$6,630 | Net after 1 year | -$7,318 |
| -$7,661 | Net after 2 years | -$9,636 |
| -$8,692 | Net after 3 years | -$11,954 |
| 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
Whatsminer M56Score: 44/100. 50 dB noise level.
Best for Efficiency
Whatsminer M5628.6 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S15 (28Th) or the Whatsminer M56?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S15 (28Th) is more profitable at $-2.82/day compared to $-6.35/day for the Whatsminer M56. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S15 (28Th) or Whatsminer M56?
The Whatsminer M56 is quieter at 50 dB compared to the Bitmain Antminer S15 (28Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S15 (28Th) vs Whatsminer M56: which fits a residential setup better?
The Whatsminer M56 scores 44/100 on our Home Mining Score (vs 28/100 for the Bitmain Antminer S15 (28Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S15 (28Th) vs Whatsminer M56: how much does the efficiency gap matter?
The Bitmain Antminer S15 (28Th) runs at 57.0 J/TH while the Whatsminer M56 runs at 28.6 J/TH — a difference of 28.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 50% better efficacité (57.0 vs 28.6 J/TH).