Antminer S21 vs MicroBT Whatsminer M32S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 | Specification | MicroBT Whatsminer M32S |
|---|---|---|
| 200.0 TH/s | Taux de hachage | 66.0 TH/s |
| 3,500 W | Consommation électrique | 3,432 W |
| 17.5 J/TH | Efficiency | 52.0 J/TH |
| 75 dB | Niveau de bruit | — |
| 14.6 kg | Weight | — |
| 11,942 BTU/hr | BTU Output | 11,710 BTU/hr |
| 36/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Antminer S21
MicroBT Whatsminer M32S
Based on BTC price of $62,980 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Antminer S21 comes out ahead — it takes 5 of 6 (efficacité, hashrate, score de minage domestique, niveau sonore, rapport qualité-prix). Its biggest concrete edge: 203% more hashrate (200.0 vs 66.0 TH/s). The MicroBT Whatsminer M32S holds the edge in consommation électrique. 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 Antminer S21 and MicroBT Whatsminer M32S actually differ, with the gap quantified:
- Antminer S21 203% more hashrate (200.0 vs 66.0 TH/s)
- MicroBT Whatsminer M32S 2% better power draw (3,500 vs 3,432 W)
- Antminer S21 66% better efficacité (17.5 vs 52.0 J/TH)
- Antminer S21 2% more heat output (11,942 vs 11,710 BTU/hr)
- Antminer S21 64% more score de minage domestique (36.0 vs 22.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Antminer S21 | Metric | MicroBT Whatsminer M32S |
|---|---|---|
| $5,500 | Upfront cost (MSRP) | $5,500 |
| -$2.70 | Daily net profit | -$6.36 |
| -$6,486 | Net after 1 year | -$7,820 |
| -$7,472 | Net after 2 years | -$10,140 |
| -$8,458 | Net after 3 years | -$12,460 |
| 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
Antminer S21Score: 36/100. 75 dB noise level.
Best for Efficiency
Antminer S2117.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer S21 or the MicroBT Whatsminer M32S?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 is more profitable at $-2.70/day compared to $-6.36/day for the MicroBT Whatsminer M32S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer S21 vs MicroBT Whatsminer M32S: which runs at a lower noise level?
The Antminer S21 is quieter at 75 dB compared to the MicroBT Whatsminer M32S at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Antminer S21 vs MicroBT Whatsminer M32S: which fits a residential setup better?
The Antminer S21 scores 36/100 on our Home Mining Score (vs 22/100 for the MicroBT Whatsminer M32S). 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 Antminer S21 and MicroBT Whatsminer M32S?
The Antminer S21 runs at 17.5 J/TH while the MicroBT Whatsminer M32S runs at 52.0 J/TH — a difference of 34.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 66% better efficacité (17.5 vs 52.0 J/TH).
Compare Antminer S21 with...
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