Antminer S19 vs GMO miner B2
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19 | Specification | GMO miner B2 |
|---|---|---|
| 95.0 TH/s | Hashrate | 24.0 TH/s |
| 3,250 W | Power Consumption | 1,950 W |
| 34.2 J/TH | Efficiency | 81.3 J/TH |
| 75 dB | Noise Level | — |
| 14.4 kg | Weight | — |
| 11,089 BTU/hr | BTU Output | 6,653 BTU/hr |
| 84/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | GMO miner |
Profitability Comparison
Antminer S19
GMO miner B2
Based on BTC price of $78,183 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Antminer S19 comes out ahead — it takes 4 of 5 (efficiency, hashrate, home mining score, noise level). Where it pulls away hardest is 296% more hashrate (95.0 vs 24.0 TH/s). The GMO miner B2 holds the edge in power consumption. 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 Antminer S19 and GMO miner B2 sit on each measurable spec:
- Antminer S19 296% more hashrate (95.0 vs 24.0 TH/s)
- GMO miner B2 40% better power draw (3,250 vs 1,950 W)
- Antminer S19 58% better efficiency (34.2 vs 81.3 J/TH)
- Antminer S19 67% more heat output (11,089 vs 6,653 BTU/hr)
- Antminer S19 200% more home mining score (84.0 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.
| Antminer S19 | Metric | GMO miner B2 |
|---|---|---|
| $2,000 | Upfront cost (MSRP) | — |
| -$4.38 | Daily net profit | -$3.82 |
| -$3,599 | Net after 1 year | -$1,393 |
| -$5,199 | Net after 2 years | -$2,786 |
| -$6,798 | 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
Antminer S19Score: 84/100. 75 dB noise level.
Best for Efficiency
Antminer S1934.2 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer S19 or the GMO miner B2?
At the current BTC price and a $0.10/kWh electricity rate, the GMO miner B2 is more profitable at $-3.82/day compared to $-4.38/day for the Antminer S19. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer S19 or the GMO miner B2 better for noise-sensitive spaces?
The Antminer S19 is quieter at 75 dB compared to the GMO miner B2 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Antminer S19 vs GMO miner B2: which fits a residential setup better?
The Antminer S19 scores 84/100 on our Home Mining Score (vs 28/100 for the GMO miner B2). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer S19 vs GMO miner B2: how much does the efficiency gap matter?
The Antminer S19 runs at 34.2 J/TH while the GMO miner B2 runs at 81.3 J/TH — a difference of 47.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 58% better efficiency (34.2 vs 81.3 J/TH).