Bitmain Antminer S21 Immersion (227Th)
Bitmain Antminer S17 (53Th) vs Bitmain Antminer S21 Immersion (227Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S17 (53Th) | Specification | Bitmain Antminer S21 Immersion (227Th) |
|---|---|---|
| 53.0 TH/s | Taux de hachage | 227.0 TH/s |
| 2,385 W | Consommation électrique | 3,623 W |
| 45.0 J/TH | Efficiency | 16.0 J/TH |
| — | Niveau de bruit | 75 dB |
| 9,500.0 kg | Weight | 17.2 kg |
| 8,138 BTU/hr | BTU Output | 12,362 BTU/hr |
| 26/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S17 (53Th)
Bitmain Antminer S21 Immersion (227Th)
Based on BTC price of $78,175 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain Antminer S21 Immersion (227Th) edges it: 4 of 6 factors go its way (efficacité, hashrate, score de minage domestique, niveau sonore). Where it pulls away hardest is 328% more hashrate (53.0 vs 227.0 TH/s). The Bitmain Antminer S17 (53Th) holds the edge in consommation électrique and rapport qualité-prix. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer S17 (53Th) and Bitmain Antminer S21 Immersion (227Th) sit on each measurable spec:
- Bitmain Antminer S21 Immersion (227Th) 328% more hashrate (53.0 vs 227.0 TH/s)
- Bitmain Antminer S17 (53Th) 34% better power draw (2,385 vs 3,623 W)
- Bitmain Antminer S21 Immersion (227Th) 65% better efficacité (45.0 vs 16.0 J/TH)
- Bitmain Antminer S21 Immersion (227Th) 100% better weight (9,500.0 vs 17.2 kg)
- Bitmain Antminer S21 Immersion (227Th) 52% more heat output (8,138 vs 12,362 BTU/hr)
- Bitmain Antminer S21 Immersion (227Th) 15% more score de minage domestique (26.0 vs 30.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Bitmain Antminer S17 (53Th) | Metric | Bitmain Antminer S21 Immersion (227Th) |
|---|---|---|
| $274 | Upfront cost (MSRP) | $3,269 |
| -$3.82 | Daily net profit | -$0.53 |
| -$1,667 | Net after 1 year | -$3,462 |
| -$3,061 | Net after 2 years | -$3,655 |
| -$4,454 | Net after 3 years | -$3,848 |
| 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
Bitmain Antminer S21 Immersion (227Th)Score: 30/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer S21 Immersion (227Th)16.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S17 (53Th) or Bitmain Antminer S21 Immersion (227Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 Immersion (227Th) is more profitable at $-0.53/day compared to $-3.82/day for the Bitmain Antminer S17 (53Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S17 (53Th) or Bitmain Antminer S21 Immersion (227Th)?
The Bitmain Antminer S21 Immersion (227Th) is quieter at 75 dB compared to the Bitmain Antminer S17 (53Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S17 (53Th) or Bitmain Antminer S21 Immersion (227Th)?
The Bitmain Antminer S21 Immersion (227Th) scores 30/100 on our Home Mining Score (vs 26/100 for the Bitmain Antminer S17 (53Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S17 (53Th) vs Bitmain Antminer S21 Immersion (227Th): how much does the efficiency gap matter?
The Bitmain Antminer S17 (53Th) runs at 45.0 J/TH while the Bitmain Antminer S21 Immersion (227Th) runs at 16.0 J/TH — a difference of 29.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 65% better efficacité (45.0 vs 16.0 J/TH).
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