Bitmain Antminer S21+ Hyd (358Th) vs Block Proto Rig
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21+ Hyd (358Th) | Specification | Block Proto Rig |
|---|---|---|
| 358.0 TH/s | Taux de hachage | 819.0 TH/s |
| 5,370 W | Consommation électrique | 12,000 W |
| 15.0 J/TH | Efficiency | 14.7 J/TH |
| 50 dB | Niveau de bruit | 80 dB |
| 12.8 kg | Weight | — |
| 18,322 BTU/hr | BTU Output | 40,944 BTU/hr |
| 44/100 | Home Mining Score | — |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Block Inc |
Profitability Comparison
Bitmain Antminer S21+ Hyd (358Th)
Block Proto Rig
Based on BTC price of $78,128 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Block Proto Rig l'emporte sur 2 des 5 facteurs (efficacité, hashrate). Its biggest concrete edge: 129% more hashrate (358 vs 819 TH/s). The Bitmain Antminer S21+ Hyd (358Th) 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 (358Th) and Block Proto Rig actually differ, with the gap quantified:
- Block Proto Rig 129% more hashrate (358 vs 819 TH/s)
- Bitmain Antminer S21+ Hyd (358Th) 55% better power draw (5,370 vs 12,000 W)
- Block Proto Rig 2% better efficacité (15.0 vs 14.7 J/TH)
- Bitmain Antminer S21+ Hyd (358Th) 38% better noise (50.0 vs 80.0 dB)
- Block Proto Rig 123% more heat output (18,322 vs 40,944 BTU/hr)
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 (358Th) | Metric | Block Proto Rig |
|---|---|---|
| $2,757 | Upfront cost (MSRP) | — |
| -$0.02 | Daily net profit | $0.65 |
| -$2,763 | Net after 1 year | +$236 |
| -$2,769 | Net after 2 years | +$471 |
| -$2,775 | Net after 3 years | +$707 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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
Block Proto Rig$0.66/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S21+ Hyd (358Th)Score: 44/100. 50 dB noise level.
Best for Efficiency
Block Proto Rig14.7 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S21+ Hyd (358Th) or the Block Proto Rig?
At the current BTC price and a $0.10/kWh electricity rate, the Block Proto Rig is more profitable at $0.65/day compared to $-0.02/day for the Bitmain Antminer S21+ Hyd (358Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S21+ Hyd (358Th) or the Block Proto Rig better for noise-sensitive spaces?
The Bitmain Antminer S21+ Hyd (358Th) is quieter at 50 dB compared to the Block Proto Rig at 80 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S21+ Hyd (358Th) vs Block Proto Rig: which fits a residential setup better?
The Bitmain Antminer S21+ Hyd (358Th) scores 44/100 on our Home Mining Score (vs 0/100 for the Block Proto Rig). 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 (358Th) and Block Proto Rig?
The Bitmain Antminer S21+ Hyd (358Th) runs at 15.0 J/TH while the Block Proto Rig runs at 14.7 J/TH — a difference of 0.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 2% better efficacité (15.0 vs 14.7 J/TH).