Bitmain Antminer S21 Hyd (335Th) vs Bitaxe Supra
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 Hyd (335Th) | Specification | Bitaxe Supra |
|---|---|---|
| 335.0 TH/s | Taux de hachage | 700.0 GH/s |
| 5,360 W | Consommation électrique | 15 W |
| 16.0 J/TH | Efficiency | 21.4 J/TH |
| — | Niveau de bruit | 35 dB |
| 14.2 kg | Weight | 0.3 kg |
| 18,288 BTU/hr | BTU Output | 51 BTU/hr |
| 16/100 | Home Mining Score | 70/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S21 Hyd (335Th)
Bitaxe Supra
Based on BTC price of $62,527 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 47757% more hashrate (335.0 vs 0.7 TH/s). The Bitaxe Supra holds the edge in consommation électrique and score de minage domestique and niveau sonore. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Bitmain Antminer S21 Hyd (335Th) and Bitaxe Supra actually differ, with the gap quantified:
- Bitmain Antminer S21 Hyd (335Th) 47757% more hashrate (335.0 vs 0.7 TH/s)
- Bitaxe Supra 100% better power draw (5,360.0 vs 15.0 W)
- Bitmain Antminer S21 Hyd (335Th) 25% better efficacité (16.0 vs 21.4 J/TH)
- Bitaxe Supra 98% better weight (14.2 vs 0.3 kg)
- Bitmain Antminer S21 Hyd (335Th) 35619% more heat output (18,288.3 vs 51.2 BTU/hr)
- Bitaxe Supra 338% more score de minage domestique (16.0 vs 70.0)
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 | Bitaxe Supra |
|---|---|---|
| $3,999 | Upfront cost (MSRP) | $89 |
| -$3.39 | Daily net profit | -$0.02 |
| -$5,235 | Net after 1 year | -$95 |
| -$6,472 | Net after 2 years | -$101 |
| -$7,708 | Net after 3 years | -$107 |
| 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
Bitaxe SupraScore: 70/100. 35 dB noise level.
Best for Efficiency
Bitmain Antminer S21 Hyd (335Th)16.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S21 Hyd (335Th) or Bitaxe Supra more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitaxe Supra is more profitable at $-0.02/day compared to $-3.39/day for the Bitmain Antminer S21 Hyd (335Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S21 Hyd (335Th) vs Bitaxe Supra: which runs at a lower noise level?
The Bitaxe Supra is quieter at 35 dB compared to the Bitmain Antminer S21 Hyd (335Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S21 Hyd (335Th) or Bitaxe Supra?
The Bitaxe Supra scores 70/100 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.
What is the efficiency difference between Bitmain Antminer S21 Hyd (335Th) and Bitaxe Supra?
The Bitmain Antminer S21 Hyd (335Th) runs at 16.0 J/TH while the Bitaxe Supra runs at 21.4 J/TH — a difference of 5.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 25% better efficacité (16.0 vs 21.4 J/TH).