Bitmain Antminer S15 (28Th) vs MicroBT Whatsminer M21S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S15 (28Th) | Specification | MicroBT Whatsminer M21S |
|---|---|---|
| 28.0 TH/s | Taux de hachage | 56.0 TH/s |
| 1,596 W | Consommation électrique | 3,360 W |
| 57.0 J/TH | Efficiency | 60.0 J/TH |
| — | Niveau de bruit | — |
| 7,000.0 kg | Weight | 12,500.0 kg |
| 5,446 BTU/hr | BTU Output | 11,464 BTU/hr |
| 28/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S15 (28Th)
MicroBT Whatsminer M21S
Based on BTC price of $74,047 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain Antminer S15 (28Th) l'emporte sur 3 des 5 facteurs (efficacité, consommation électrique, score de minage domestique). Le MicroBT Whatsminer M21S a l'avantage en hashrate and rapport qualité-prix. Consultez les spécifications détaillées et les calculs de rentabilité ci-dessus pour déterminer quel mineur convient le mieux à votre installation.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Bitmain Antminer S15 (28Th)Score: 28/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer S15 (28Th)57.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S15 (28Th) or MicroBT Whatsminer M21S more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S15 (28Th) is more profitable at $-2.93/day compared to $-6.27/day for the MicroBT Whatsminer M21S. 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 MicroBT Whatsminer M21S?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer S15 (28Th) or MicroBT Whatsminer M21S?
The Bitmain Antminer S15 (28Th) scores 28/100 on our Home Mining Score (vs 22/100 for the MicroBT Whatsminer M21S). 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 S15 (28Th) and MicroBT Whatsminer M21S?
The Bitmain Antminer S15 (28Th) runs at 57.0 J/TH while the MicroBT Whatsminer M21S runs at 60.0 J/TH — a difference of 3.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.