Bitmain Antminer S19 Pro (100Th/s) vs GMO miner B2
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19 Pro (100Th/s) | Specification | GMO miner B2 |
|---|---|---|
| 100.0 TH/s | Hashrate | 24.0 TH/s |
| 2,950 W | Power Consumption | 1,950 W |
| 29.5 J/TH | Efficiency | 81.3 J/TH |
| — | Noise Level | — |
| 14.6 kg | Weight | — |
| 10,065 BTU/hr | BTU Output | 6,653 BTU/hr |
| 22/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | GMO miner |
Profitability Comparison
Bitmain Antminer S19 Pro (100Th/s)
GMO miner B2
Based on BTC price of $79,022 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer S19 Pro (100Th/s), which leads on 2 of 4 weighted factors (efficiency, hashrate). Where it pulls away hardest is 317% more hashrate (100.0 vs 24.0 TH/s). The GMO miner B2 holds the edge in power consumption and home mining score. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
The Bitmain Antminer S19 Pro (100Th/s) and GMO miner B2 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S19 Pro (100Th/s) 317% more hashrate (100.0 vs 24.0 TH/s)
- GMO miner B2 34% better power draw (2,950 vs 1,950 W)
- Bitmain Antminer S19 Pro (100Th/s) 64% better efficiency (29.5 vs 81.3 J/TH)
- Bitmain Antminer S19 Pro (100Th/s) 51% more heat output (10,065 vs 6,653 BTU/hr)
- GMO miner B2 27% more home mining score (22.0 vs 28.0)
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 S19 Pro (100Th/s) | Metric | GMO miner B2 |
|---|---|---|
| $525 | Upfront cost (MSRP) | — |
| -$3.44 | Daily net profit | -$3.81 |
| -$1,782 | Net after 1 year | -$1,390 |
| -$3,039 | Net after 2 years | -$2,779 |
| -$4,296 | Net after 3 years | -$4,169 |
| 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 S19 Pro (100Th/s)29.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S19 Pro (100Th/s) or GMO miner B2 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S19 Pro (100Th/s) is more profitable at $-3.44/day compared to $-3.81/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 S19 Pro (100Th/s) or GMO miner B2?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer S19 Pro (100Th/s) or GMO miner B2?
The GMO miner B2 scores 28/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer S19 Pro (100Th/s)). 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 S19 Pro (100Th/s) and GMO miner B2?
The Bitmain Antminer S19 Pro (100Th/s) runs at 29.5 J/TH while the GMO miner B2 runs at 81.3 J/TH — a difference of 51.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 64% better efficiency (29.5 vs 81.3 J/TH).
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