Bitmain Antminer B3 (1Kh)
Bitmain Antminer B3 (1Kh) vs Antminer D9
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer B3 (1Kh) | Specification | Antminer D9 |
|---|---|---|
| 1.0 KH/s | Taux de hachage | 1,770.0 GH/s |
| 380 W | Consommation électrique | 2,839 W |
| 380,000,000,000.0 J/TH | Efficiency | 1,604.0 J/TH |
| — | Niveau de bruit | 75 dB |
| — | Weight | 16.1 kg |
| 1,297 BTU/hr | BTU Output | 9,687 BTU/hr |
| 34/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| Tensority | Algorithme | X11 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer B3 (1Kh)
Antminer D9
Based on BTC price of $63,935 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Antminer D9 edges it: 4 of 5 factors go its way (efficacité, hashrate, score de minage domestique, niveau sonore). The standout gap is 176999999900% more hashrate (0.0 vs 1.8 TH/s) in the Antminer D9's favour. That said, the Bitmain Antminer B3 (1Kh) isn't beaten everywhere — it still wins consommation électrique. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer B3 (1Kh) and Antminer D9 sit on each measurable spec:
- Antminer D9 176999999900% more hashrate (0.0 vs 1.8 TH/s)
- Bitmain Antminer B3 (1Kh) 87% better power draw (380 vs 2,839 W)
- Antminer D9 100% better efficacité (380,000,000,000 vs 1,604 J/TH)
- Antminer D9 647% more heat output (1,297 vs 9,687 BTU/hr)
- Antminer D9 6% more score de minage domestique (34.0 vs 36.0)
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 B3 (1Kh) | Metric | Antminer D9 |
|---|---|---|
| — | Upfront cost (MSRP) | $3,000 |
| -$0.91 | Daily net profit | -$6.76 |
| -$333 | Net after 1 year | -$5,468 |
| -$666 | Net after 2 years | -$7,937 |
| -$999 | Net after 3 years | -$10,405 |
| — | 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 D9Score: 36/100. 75 dB noise level.
Best for Efficiency
Antminer D91,604.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer B3 (1Kh) vs Antminer D9: which one earns more per day?
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 $-6.76/day for the Antminer D9. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer B3 (1Kh) or the Antminer D9 better for noise-sensitive spaces?
The Antminer D9 is quieter at 75 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 D9?
The Antminer D9 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.
Bitmain Antminer B3 (1Kh) vs Antminer D9: how much does the efficiency gap matter?
The Bitmain Antminer B3 (1Kh) runs at 380,000,000,000.0 J/TH while the Antminer D9 runs at 1,604.0 J/TH — a difference of 379,999,998,396.1 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 1,604 J/TH).