GMO miner B3 vs Whatsminer M50
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| GMO miner B3 | Specification | Whatsminer M50 |
|---|---|---|
| 33.0 TH/s | Hashrate | 114.0 TH/s |
| 3,417 W | Power Consumption | 3,306 W |
| 103.6 J/TH | Efficiency | 29.0 J/TH |
| — | Noise Level | 75 dB |
| 5,000.0 kg | Weight | 12.5 kg |
| 11,659 BTU/hr | BTU Output | 11,280 BTU/hr |
| 22/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| GMO miner | Manufacturer | MicroBT |
Profitability Comparison
GMO miner B3
Whatsminer M50
Based on BTC price of $79,051 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Whatsminer M50, which leads on 5 of 5 weighted factors (efficiency, hashrate, power consumption, home mining score, noise level). Its biggest concrete edge: 72% better efficiency (103.6 vs 29.0 J/TH). The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the GMO miner B3 and Whatsminer M50 sit on each measurable spec:
- Whatsminer M50 245% more hashrate (33.0 vs 114.0 TH/s)
- Whatsminer M50 3% better power draw (3,417 vs 3,306 W)
- Whatsminer M50 72% better efficiency (103.6 vs 29.0 J/TH)
- Whatsminer M50 100% better weight (5,000.0 vs 12.5 kg)
- GMO miner B3 3% more heat output (11,659 vs 11,280 BTU/hr)
- Whatsminer M50 64% more home mining score (22.0 vs 36.0)
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.
| GMO miner B3 | Metric | Whatsminer M50 |
|---|---|---|
| — | Upfront cost (MSRP) | $2,600 |
| -$7.00 | Daily net profit | -$3.79 |
| -$2,555 | Net after 1 year | -$3,982 |
| -$5,110 | Net after 2 years | -$5,365 |
| -$7,665 | Net after 3 years | -$6,747 |
| — | 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
Whatsminer M50Score: 36/100. 75 dB noise level.
Best for Efficiency
Whatsminer M5029.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the GMO miner B3 or Whatsminer M50 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Whatsminer M50 is more profitable at $-3.79/day compared to $-7.00/day for the GMO miner B3. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the GMO miner B3 or the Whatsminer M50 better for noise-sensitive spaces?
The Whatsminer M50 is quieter at 75 dB compared to the GMO miner B3 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
GMO miner B3 vs Whatsminer M50: which fits a residential setup better?
The Whatsminer M50 scores 36/100 on our Home Mining Score (vs 22/100 for the GMO miner B3). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
GMO miner B3 vs Whatsminer M50: how much does the efficiency gap matter?
The GMO miner B3 runs at 103.6 J/TH while the Whatsminer M50 runs at 29.0 J/TH — a difference of 74.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 72% better efficiency (103.6 vs 29.0 J/TH).