Bitmain Antminer B3 (780Hz) vs Antminer D7
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer B3 (780Hz) | Specification | Antminer D7 |
|---|---|---|
| 780.0 H/s | Taux de hachage | 1,286.0 GH/s |
| 360 W | Consommation électrique | 3,148 W |
| 0.5 J/TH | Efficiency | 2,447.9 J/TH |
| — | Niveau de bruit | 70 dB |
| — | Weight | 14.4 kg |
| 1,228 BTU/hr | BTU Output | 10,741 BTU/hr |
| 34/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| Tensority | Algorithme | X11 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer B3 (780Hz)
Antminer D7
Based on BTC price of $64,075 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer B3 (780Hz) comes out ahead — it takes 3 of 5 (efficacité, hashrate, consommation électrique). Where it pulls away hardest is 100% better efficacité (0.5 vs 2,447.9 J/TH). The Antminer D7 claws back ground on score de minage domestique and niveau sonore. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Bitmain Antminer B3 (780Hz) and Antminer D7 actually differ, with the gap quantified:
- Bitmain Antminer B3 (780Hz) 60553% more hashrate (780.0 vs 1.3 TH/s)
- Bitmain Antminer B3 (780Hz) 89% better power draw (360 vs 3,148 W)
- Bitmain Antminer B3 (780Hz) 100% better efficacité (0.5 vs 2,447.9 J/TH)
- Antminer D7 774% more heat output (1,228 vs 10,741 BTU/hr)
- Antminer D7 6% more score de minage domestique (34.0 vs 36.0)
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 B3 (780Hz) | Metric | Antminer D7 |
|---|---|---|
| — | Upfront cost (MSRP) | $2,500 |
| $21.75 | Daily net profit | -$7.52 |
| +$7,938 | Net after 1 year | -$5,244 |
| +$15,875 | Net after 2 years | -$7,988 |
| +$23,813 | Net after 3 years | -$10,732 |
| — | 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
Bitmain Antminer B3 (780Hz)$29.26/day higher profit at current rates.
Best for Home Mining
Antminer D7Score: 36/100. 70 dB noise level.
Best for Efficiency
Bitmain Antminer B3 (780Hz)0.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer B3 (780Hz) or the Antminer D7?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer B3 (780Hz) is more profitable at $21.75/day compared to $-7.52/day for the Antminer D7. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer B3 (780Hz) or the Antminer D7 better for noise-sensitive spaces?
The Antminer D7 is quieter at 70 dB compared to the Bitmain Antminer B3 (780Hz) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer B3 (780Hz) vs Antminer D7: which fits a residential setup better?
The Antminer D7 scores 36/100 on our Home Mining Score (vs 34/100 for the Bitmain Antminer B3 (780Hz)). 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 B3 (780Hz) and Antminer D7?
The Bitmain Antminer B3 (780Hz) runs at 0.5 J/TH while the Antminer D7 runs at 2,447.9 J/TH — a difference of 2,447.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 100% better efficacité (0.5 vs 2,447.9 J/TH).