Bitmain Antminer B3 (1Kh)
Bitmain Antminer B3 (1Kh) vs Antminer D7
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer B3 (1Kh) | Specification | Antminer D7 |
|---|---|---|
| 1.0 KH/s | Taux de hachage | 1,286.0 GH/s |
| 380 W | Consommation électrique | 3,148 W |
| 380,000,000,000.0 J/TH | Efficiency | 2,447.9 J/TH |
| — | Niveau de bruit | 70 dB |
| — | Weight | 14.4 kg |
| 1,297 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 (1Kh)
Antminer D7
Based on BTC price of $63,935 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Antminer D7 l'emporte sur 4 des 5 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Where it pulls away hardest is 128599999900% more hashrate (0.0 vs 1.3 TH/s). The Bitmain Antminer B3 (1Kh) holds the edge in consommation électrique. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
The Bitmain Antminer B3 (1Kh) and Antminer D7 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Antminer D7 128599999900% more hashrate (0.0 vs 1.3 TH/s)
- Bitmain Antminer B3 (1Kh) 88% better power draw (380 vs 3,148 W)
- Antminer D7 100% better efficacité (380,000,000,000 vs 2,448 J/TH)
- Antminer D7 728% more heat output (1,297 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 (1Kh) | Metric | Antminer D7 |
|---|---|---|
| — | Upfront cost (MSRP) | $2,500 |
| -$0.91 | Daily net profit | -$7.52 |
| -$333 | Net after 1 year | -$5,244 |
| -$666 | Net after 2 years | -$7,988 |
| -$999 | 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
TieBoth miners produce similar daily profit.
Best for Home Mining
Antminer D7Score: 36/100. 70 dB noise level.
Best for Efficiency
Antminer D72,447.9 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer B3 (1Kh) or Antminer D7 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer B3 (1Kh) is more profitable at $-0.91/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.
Which is quieter, the Bitmain Antminer B3 (1Kh) or Antminer D7?
The Antminer D7 is quieter at 70 dB compared to the Bitmain Antminer B3 (1Kh) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitmain Antminer B3 (1Kh) or the Antminer D7?
The Antminer D7 scores 36/100 on our Home Mining Score (vs 34/100 for the Bitmain Antminer B3 (1Kh)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Bitmain Antminer B3 (1Kh) and Antminer D7 on J/TH?
The Bitmain Antminer B3 (1Kh) runs at 380,000,000,000.0 J/TH while the Antminer D7 runs at 2,447.9 J/TH — a difference of 379,999,997,552.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 100% better efficacité (380,000,000,000 vs 2,448 J/TH).