Bitmain Antminer S17 (56Th) vs MicroBT Whatsminer M21S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S17 (56Th) | Specification | MicroBT Whatsminer M21S |
|---|---|---|
| 56.0 TH/s | Taux de hachage | 56.0 TH/s |
| 2,520 W | Consommation électrique | 3,360 W |
| 45.0 J/TH | Efficiency | 60.0 J/TH |
| — | Niveau de bruit | — |
| 9,500.0 kg | Weight | 12,500.0 kg |
| 8,598 BTU/hr | BTU Output | 11,464 BTU/hr |
| 22/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S17 (56Th)
MicroBT Whatsminer M21S
Based on BTC price of $78,175 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer S17 (56Th), which leads on 3 of 3 weighted factors (efficacité, consommation électrique, rapport qualité-prix). Its biggest concrete edge: 25% better efficacité (45.0 vs 60.0 J/TH). Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Bitmain Antminer S17 (56Th) and MicroBT Whatsminer M21S actually differ, with the gap quantified:
- Bitmain Antminer S17 (56Th) 25% better power draw (2,520 vs 3,360 W)
- Bitmain Antminer S17 (56Th) 25% better efficacité (45.0 vs 60.0 J/TH)
- Bitmain Antminer S17 (56Th) 24% better weight (9,500 vs 12,500 kg)
- MicroBT Whatsminer M21S 33% more heat output (8,598 vs 11,464 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 S17 (56Th) | Metric | MicroBT Whatsminer M21S |
|---|---|---|
| $413 | Upfront cost (MSRP) | $650 |
| -$4.03 | Daily net profit | -$6.05 |
| -$1,885 | Net after 1 year | -$2,858 |
| -$3,357 | Net after 2 years | -$5,066 |
| -$4,830 | Net after 3 years | -$7,274 |
| 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 S17 (56Th)45.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S17 (56Th) vs MicroBT Whatsminer M21S: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S17 (56Th) is more profitable at $-4.03/day compared to $-6.05/day for the MicroBT Whatsminer M21S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S17 (56Th) or the MicroBT Whatsminer M21S better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer S17 (56Th) or MicroBT Whatsminer M21S?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
Bitmain Antminer S17 (56Th) vs MicroBT Whatsminer M21S: how much does the efficiency gap matter?
The Bitmain Antminer S17 (56Th) runs at 45.0 J/TH while the MicroBT Whatsminer M21S runs at 60.0 J/TH — a difference of 15.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 25% better efficacité (45.0 vs 60.0 J/TH).