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 | Hashrate | 1,770.0 GH/s |
| 380 W | Power Consumption | 2,839 W |
| 380,000,000,000.0 J/TH | Efficiency | 1,604.0 J/TH |
| — | Noise Level | 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 | Algorithm | X11 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer B3 (1Kh)
Antminer D9
Based on BTC price of $69,650 and current network difficulty as of Mar 26, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer D9 wins on 4 of 5 factors (efficiency, hashrate, home mining score, noise level). The Bitmain Antminer B3 (1Kh) holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
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
Is the Bitmain Antminer B3 (1Kh) or Antminer D9 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 $-6.76/day for the Antminer D9. 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 D9?
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.
Which is better for home mining, the Bitmain Antminer B3 (1Kh) or 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.
What is the efficiency difference between Bitmain Antminer B3 (1Kh) and Antminer D9?
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.