Bitmain Antminer S21 Hyd (335Th) vs Whatsminer M50
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 Hyd (335Th) | Specification | Whatsminer M50 |
|---|---|---|
| 335.0 TH/s | Taux de hachage | 114.0 TH/s |
| 5,360 W | Consommation électrique | 3,306 W |
| 16.0 J/TH | Efficiency | 29.0 J/TH |
| — | Niveau de bruit | 75 dB |
| 14.2 kg | Weight | 12.5 kg |
| 18,288 BTU/hr | BTU Output | 11,280 BTU/hr |
| 16/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S21 Hyd (335Th)
Whatsminer M50
Based on BTC price of $63,875 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer S21 Hyd (335Th), which leads on 3 of 6 weighted factors (efficacité, hashrate, rapport qualité-prix). Where it pulls away hardest is 194% more hashrate (335 vs 114 TH/s). The Whatsminer M50 claws back ground on consommation électrique and score de minage domestique and niveau sonore. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the Bitmain Antminer S21 Hyd (335Th) and Whatsminer M50 actually differ, with the gap quantified:
- Bitmain Antminer S21 Hyd (335Th) 194% more hashrate (335 vs 114 TH/s)
- Whatsminer M50 38% better power draw (5,360 vs 3,306 W)
- Bitmain Antminer S21 Hyd (335Th) 45% better efficacité (16.0 vs 29.0 J/TH)
- Whatsminer M50 12% better weight (14.2 vs 12.5 kg)
- Bitmain Antminer S21 Hyd (335Th) 62% more heat output (18,288 vs 11,280 BTU/hr)
- Whatsminer M50 125% more score de minage domestique (16.0 vs 36.0)
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.
| Bitmain Antminer S21 Hyd (335Th) | Metric | Whatsminer M50 |
|---|---|---|
| $3,999 | Upfront cost (MSRP) | $2,600 |
| -$3.18 | Daily net profit | -$4.64 |
| -$5,161 | Net after 1 year | -$4,294 |
| -$6,323 | Net after 2 years | -$5,987 |
| -$7,485 | Net after 3 years | -$7,681 |
| 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 M50Score: 36/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer S21 Hyd (335Th)16.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S21 Hyd (335Th) or the Whatsminer M50?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 Hyd (335Th) is more profitable at $-3.18/day compared to $-4.64/day for the Whatsminer M50. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S21 Hyd (335Th) or Whatsminer M50?
The Whatsminer M50 is quieter at 75 dB compared to the Bitmain Antminer S21 Hyd (335Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitmain Antminer S21 Hyd (335Th) or the Whatsminer M50?
The Whatsminer M50 scores 36/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S21 Hyd (335Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S21 Hyd (335Th) vs Whatsminer M50: how much does the efficiency gap matter?
The Bitmain Antminer S21 Hyd (335Th) runs at 16.0 J/TH while the Whatsminer M50 runs at 29.0 J/TH — a difference of 13.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 45% better efficacité (16.0 vs 29.0 J/TH).