Antminer S21 Hydro vs Whatsminer M60S++
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 Hydro | Specification | Whatsminer M60S++ |
|---|---|---|
| 335.0 TH/s | Hashrate | 220.0 TH/s |
| 5,360 W | Power Consumption | 3,960 W |
| 16.0 J/TH | Efficiency | 18.0 J/TH |
| 50 dB | Noise Level | 75 dB |
| 15.8 kg | Weight | 14.0 kg |
| 18,288 BTU/hr | BTU Output | 13,512 BTU/hr |
| 44/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Antminer S21 Hydro
Whatsminer M60S++
Based on BTC price of $79,032 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer S21 Hydro wins on 5 of 6 factors (efficiency, hashrate, home mining score, noise level, price-performance). The standout gap is 52% more hashrate (335 vs 220 TH/s) in the Antminer S21 Hydro's favour. That said, the Whatsminer M60S++ isn't beaten everywhere — it still wins power consumption. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Antminer S21 Hydro and Whatsminer M60S++ actually differ, with the gap quantified:
- Antminer S21 Hydro 52% more hashrate (335 vs 220 TH/s)
- Whatsminer M60S++ 26% better power draw (5,360 vs 3,960 W)
- Antminer S21 Hydro 11% better efficiency (16.0 vs 18.0 J/TH)
- Antminer S21 Hydro 33% better noise (50.0 vs 75.0 dB)
- Whatsminer M60S++ 11% better weight (15.8 vs 14.0 kg)
- Antminer S21 Hydro 35% more heat output (18,288 vs 13,512 BTU/hr)
- Antminer S21 Hydro 47% more home mining score (44.0 vs 30.0)
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.
| Antminer S21 Hydro | Metric | Whatsminer M60S++ |
|---|---|---|
| $9,500 | Upfront cost (MSRP) | $7,000 |
| -$0.68 | Daily net profit | -$1.50 |
| -$9,748 | Net after 1 year | -$7,549 |
| -$9,997 | Net after 2 years | -$8,097 |
| -$10,245 | Net after 3 years | -$8,646 |
| 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 S21 HydroScore: 44/100. 50 dB noise level.
Best for Efficiency
Antminer S21 Hydro16.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S21 Hydro or Whatsminer M60S++ more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 Hydro is more profitable at $-0.68/day compared to $-1.50/day for the Whatsminer M60S++. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S21 Hydro or Whatsminer M60S++?
The Antminer S21 Hydro is quieter at 50 dB compared to the Whatsminer M60S++ at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Antminer S21 Hydro vs Whatsminer M60S++: which fits a residential setup better?
The Antminer S21 Hydro scores 44/100 on our Home Mining Score (vs 30/100 for the Whatsminer M60S++). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Antminer S21 Hydro and Whatsminer M60S++ on J/TH?
The Antminer S21 Hydro runs at 16.0 J/TH while the Whatsminer M60S++ runs at 18.0 J/TH — a difference of 2.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 11% better efficiency (16.0 vs 18.0 J/TH).