Bitmain Antminer S19j Pro (100Th) vs GMO miner B2
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19j Pro (100Th) | Specification | GMO miner B2 |
|---|---|---|
| 100.0 TH/s | Taux de hachage | 24.0 TH/s |
| 3,050 W | Consommation électrique | 1,950 W |
| 30.5 J/TH | Efficiency | 81.3 J/TH |
| — | Niveau de bruit | — |
| 13,200.0 kg | Weight | — |
| 10,407 BTU/hr | BTU Output | 6,653 BTU/hr |
| 22/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | GMO miner |
Profitability Comparison
Bitmain Antminer S19j Pro (100Th)
GMO miner B2
Based on BTC price of $78,230 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer S19j Pro (100Th), which leads on 2 of 4 weighted factors (efficacité, hashrate). The standout gap is 317% more hashrate (100.0 vs 24.0 TH/s) in the Bitmain Antminer S19j Pro (100Th)'s favour. That said, the GMO miner B2 isn't beaten everywhere — it still wins consommation électrique and score de minage domestique. 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 S19j Pro (100Th) and GMO miner B2 actually differ, with the gap quantified:
- Bitmain Antminer S19j Pro (100Th) 317% more hashrate (100.0 vs 24.0 TH/s)
- GMO miner B2 36% better power draw (3,050 vs 1,950 W)
- Bitmain Antminer S19j Pro (100Th) 62% better efficacité (30.5 vs 81.3 J/TH)
- Bitmain Antminer S19j Pro (100Th) 56% more heat output (10,407 vs 6,653 BTU/hr)
- GMO miner B2 27% more score de minage domestique (22.0 vs 28.0)
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 S19j Pro (100Th) | Metric | GMO miner B2 |
|---|---|---|
| $600 | Upfront cost (MSRP) | — |
| -$3.72 | Daily net profit | -$3.82 |
| -$1,958 | Net after 1 year | -$1,393 |
| -$3,316 | Net after 2 years | -$2,786 |
| -$4,673 | Net after 3 years | -$4,179 |
| 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
TieBoth miners produce similar daily profit.
Best for Home Mining
GMO miner B2Score: 28/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer S19j Pro (100Th)30.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S19j Pro (100Th) vs GMO miner B2: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S19j Pro (100Th) is more profitable at $-3.72/day compared to $-3.82/day for the GMO miner B2. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S19j Pro (100Th) or GMO miner B2?
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 S19j Pro (100Th) or the GMO miner B2?
The GMO miner B2 scores 28/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer S19j Pro (100Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S19j Pro (100Th) vs GMO miner B2: how much does the efficiency gap matter?
The Bitmain Antminer S19j Pro (100Th) runs at 30.5 J/TH while the GMO miner B2 runs at 81.3 J/TH — a difference of 50.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 62% better efficacité (30.5 vs 81.3 J/TH).