Bitmain Antminer S11 (20.5Th) vs Bitmain Antminer S21 (200Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S11 (20.5Th) | Specification | Bitmain Antminer S21 (200Th) |
|---|---|---|
| 20.5 TH/s | Taux de hachage | 200.0 TH/s |
| 1,530 W | Consommation électrique | 3,550 W |
| 74.6 J/TH | Efficiency | 17.8 J/TH |
| — | Niveau de bruit | — |
| 6,500.0 kg | Weight | 14.2 kg |
| 5,220 BTU/hr | BTU Output | 12,113 BTU/hr |
| 28/100 | Home Mining Score | 16/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S11 (20.5Th)
Bitmain Antminer S21 (200Th)
Based on BTC price of $78,194 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain Antminer S21 (200Th) l'emporte sur 2 des 4 facteurs (efficacité, hashrate). Where it pulls away hardest is 876% more hashrate (20.5 vs 200.0 TH/s). The Bitmain Antminer S11 (20.5Th) holds the edge in consommation électrique and score de minage domestique. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Bitmain Antminer S11 (20.5Th) and Bitmain Antminer S21 (200Th) actually differ, with the gap quantified:
- Bitmain Antminer S21 (200Th) 876% more hashrate (20.5 vs 200.0 TH/s)
- Bitmain Antminer S11 (20.5Th) 57% better power draw (1,530 vs 3,550 W)
- Bitmain Antminer S21 (200Th) 76% better efficacité (74.6 vs 17.8 J/TH)
- Bitmain Antminer S21 (200Th) 100% better weight (6,500.0 vs 14.2 kg)
- Bitmain Antminer S21 (200Th) 132% more heat output (5,220 vs 12,113 BTU/hr)
- Bitmain Antminer S11 (20.5Th) 75% more score de minage domestique (28.0 vs 16.0)
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 S11 (20.5Th) | Metric | Bitmain Antminer S21 (200Th) |
|---|---|---|
| — | Upfront cost (MSRP) | $1,076 |
| -$2.93 | Daily net profit | -$1.32 |
| -$1,071 | Net after 1 year | -$1,559 |
| -$2,142 | Net after 2 years | -$2,042 |
| -$3,213 | Net after 3 years | -$2,525 |
| — | 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
Bitmain Antminer S11 (20.5Th)Score: 28/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer S21 (200Th)17.8 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S11 (20.5Th) or the Bitmain Antminer S21 (200Th)?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 (200Th) is more profitable at $-1.32/day compared to $-2.93/day for the Bitmain Antminer S11 (20.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S11 (20.5Th) or the Bitmain Antminer S21 (200Th) better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
For mining at home, should I pick the Bitmain Antminer S11 (20.5Th) or the Bitmain Antminer S21 (200Th)?
The Bitmain Antminer S11 (20.5Th) scores 28/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S21 (200Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S11 (20.5Th) vs Bitmain Antminer S21 (200Th): how much does the efficiency gap matter?
The Bitmain Antminer S11 (20.5Th) runs at 74.6 J/TH while the Bitmain Antminer S21 (200Th) runs at 17.8 J/TH — a difference of 56.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 76% better efficacité (74.6 vs 17.8 J/TH).