Bitmain Antminer S21 Immersion (227Th)
Antminer S19j Pro+ vs Bitmain Antminer S21 Immersion (227Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19j Pro+ | Specification | Bitmain Antminer S21 Immersion (227Th) |
|---|---|---|
| 117.0 TH/s | Taux de hachage | 227.0 TH/s |
| 3,355 W | Consommation électrique | 3,623 W |
| 28.7 J/TH | Efficiency | 16.0 J/TH |
| 75 dB | Niveau de bruit | 75 dB |
| 13.6 kg | Weight | 17.2 kg |
| 11,447 BTU/hr | BTU Output | 12,362 BTU/hr |
| 84/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer S19j Pro+
Bitmain Antminer S21 Immersion (227Th)
Based on BTC price of $62,980 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain Antminer S21 Immersion (227Th) l'emporte sur 3 des 5 facteurs (efficacité, hashrate, rapport qualité-prix). The standout gap is 94% more hashrate (117 vs 227 TH/s) in the Bitmain Antminer S21 Immersion (227Th)'s favour. That said, the Antminer S19j Pro+ isn't beaten everywhere — it still wins consommation électrique and score de minage domestique. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
The Antminer S19j Pro+ and Bitmain Antminer S21 Immersion (227Th) diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S21 Immersion (227Th) 94% more hashrate (117 vs 227 TH/s)
- Antminer S19j Pro+ 7% better power draw (3,355 vs 3,623 W)
- Bitmain Antminer S21 Immersion (227Th) 44% better efficacité (28.7 vs 16.0 J/TH)
- Antminer S19j Pro+ 21% better weight (13.6 vs 17.2 kg)
- Bitmain Antminer S21 Immersion (227Th) 8% more heat output (11,447 vs 12,362 BTU/hr)
- Antminer S19j Pro+ 180% more score de minage domestique (84.0 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.
| Antminer S19j Pro+ | Metric | Bitmain Antminer S21 Immersion (227Th) |
|---|---|---|
| $3,200 | Upfront cost (MSRP) | $3,269 |
| -$4.72 | Daily net profit | -$2.23 |
| -$4,922 | Net after 1 year | -$4,082 |
| -$6,644 | Net after 2 years | -$4,895 |
| -$8,367 | Net after 3 years | -$5,708 |
| 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
Antminer S19j Pro+Score: 84/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer S21 Immersion (227Th)16.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer S19j Pro+ or the Bitmain Antminer S21 Immersion (227Th)?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 Immersion (227Th) is more profitable at $-2.23/day compared to $-4.72/day for the Antminer S19j Pro+. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer S19j Pro+ vs Bitmain Antminer S21 Immersion (227Th): which runs at a lower noise level?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Antminer S19j Pro+ or Bitmain Antminer S21 Immersion (227Th)?
The Antminer S19j Pro+ scores 84/100 on our Home Mining Score (vs 30/100 for the Bitmain Antminer S21 Immersion (227Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer S19j Pro+ vs Bitmain Antminer S21 Immersion (227Th): how much does the efficiency gap matter?
The Antminer S19j Pro+ runs at 28.7 J/TH while the Bitmain Antminer S21 Immersion (227Th) runs at 16.0 J/TH — a difference of 12.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 44% better efficacité (28.7 vs 16.0 J/TH).
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