Bitmain Antminer S11 (20.5Th) vs Antminer S19j Pro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S11 (20.5Th) | Specification | Antminer S19j Pro |
|---|---|---|
| 20.5 TH/s | Hashrate | 100.0 TH/s |
| 1,530 W | Power Consumption | 3,050 W |
| 74.6 J/TH | Efficiency | 30.5 J/TH |
| — | Noise Level | 75 dB |
| 6,500.0 kg | Weight | 13.2 kg |
| 5,220 BTU/hr | BTU Output | 10,407 BTU/hr |
| 28/100 | Home Mining Score | 84/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S11 (20.5Th)
Antminer S19j Pro
Based on BTC price of $79,091 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Antminer S19j Pro, which leads on 4 of 5 weighted factors (efficiency, hashrate, home mining score, noise level). Where it pulls away hardest is 388% more hashrate (20.5 vs 100.0 TH/s). That said, the Bitmain Antminer S11 (20.5Th) isn't beaten everywhere — it still wins power consumption. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
The Bitmain Antminer S11 (20.5Th) and Antminer S19j Pro diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Antminer S19j Pro 388% more hashrate (20.5 vs 100.0 TH/s)
- Bitmain Antminer S11 (20.5Th) 50% better power draw (1,530 vs 3,050 W)
- Antminer S19j Pro 59% better efficiency (74.6 vs 30.5 J/TH)
- Antminer S19j Pro 100% better weight (6,500.0 vs 13.2 kg)
- Antminer S19j Pro 99% more heat output (5,220 vs 10,407 BTU/hr)
- Antminer S19j Pro 200% more home mining score (28.0 vs 84.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitmain Antminer S11 (20.5Th) | Metric | Antminer S19j Pro |
|---|---|---|
| — | Upfront cost (MSRP) | $2,500 |
| -$2.93 | Daily net profit | -$3.68 |
| -$1,068 | Net after 1 year | -$3,843 |
| -$2,136 | Net after 2 years | -$5,187 |
| -$3,204 | Net after 3 years | -$6,530 |
| — | 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 ProScore: 84/100. 75 dB noise level.
Best for Efficiency
Antminer S19j Pro30.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S11 (20.5Th) vs Antminer S19j Pro: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S11 (20.5Th) is more profitable at $-2.93/day compared to $-3.68/day for the Antminer S19j Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S11 (20.5Th) or Antminer S19j Pro?
The Antminer S19j Pro is quieter at 75 dB compared to the Bitmain Antminer S11 (20.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S11 (20.5Th) vs Antminer S19j Pro: which fits a residential setup better?
The Antminer S19j Pro scores 84/100 on our Home Mining Score (vs 28/100 for the Bitmain Antminer S11 (20.5Th)). 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 S11 (20.5Th) and Antminer S19j Pro?
The Bitmain Antminer S11 (20.5Th) runs at 74.6 J/TH while the Antminer S19j Pro runs at 30.5 J/TH — a difference of 44.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 59% better efficiency (74.6 vs 30.5 J/TH).