Bitmain Antminer D3 (15Gh) vs Antminer D7
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer D3 (15Gh) | Specification | Antminer D7 |
|---|---|---|
| 15.0 GH/s | Hashrate | 1,286.0 GH/s |
| 1,200 W | Power Consumption | 3,148 W |
| 80,000.0 J/TH | Efficiency | 2,447.9 J/TH |
| — | Noise Level | 70 dB |
| 5,500.0 kg | Weight | 14.4 kg |
| 4,094 BTU/hr | BTU Output | 10,741 BTU/hr |
| 31/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| X11 | Algorithm | X11 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer D3 (15Gh)
Antminer D7
Based on BTC price of $78,139 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Antminer D7 comes out ahead — it takes 4 of 5 (efficiency, hashrate, home mining score, noise level). Its biggest concrete edge: 8473% more hashrate (0.0 vs 1.3 TH/s). The Bitmain Antminer D3 (15Gh) claws back ground on power consumption. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the Bitmain Antminer D3 (15Gh) and Antminer D7 actually differ, with the gap quantified:
- Antminer D7 8473% more hashrate (0.0 vs 1.3 TH/s)
- Bitmain Antminer D3 (15Gh) 62% better power draw (1,200 vs 3,148 W)
- Antminer D7 97% better efficiency (80,000 vs 2,448 J/TH)
- Antminer D7 100% better weight (5,500.0 vs 14.4 kg)
- Antminer D7 162% more heat output (4,094 vs 10,741 BTU/hr)
- Antminer D7 16% more home mining score (31.0 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 D3 (15Gh) | Metric | Antminer D7 |
|---|---|---|
| — | Upfront cost (MSRP) | $2,500 |
| -$2.88 | Daily net profit | -$7.51 |
| -$1,051 | Net after 1 year | -$5,241 |
| -$2,102 | Net after 2 years | -$7,982 |
| -$3,153 | Net after 3 years | -$10,722 |
| — | 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 D3 (15Gh) or Antminer D7 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer D3 (15Gh) is more profitable at $-2.88/day compared to $-7.51/day for the Antminer D7. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer D3 (15Gh) vs Antminer D7: which runs at a lower noise level?
The Antminer D7 is quieter at 70 dB compared to the Bitmain Antminer D3 (15Gh) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer D3 (15Gh) or Antminer D7?
The Antminer D7 scores 36/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer D3 (15Gh)). 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 D3 (15Gh) and Antminer D7 on J/TH?
The Bitmain Antminer D3 (15Gh) runs at 80,000.0 J/TH while the Antminer D7 runs at 2,447.9 J/TH — a difference of 77,552.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 97% better efficiency (80,000 vs 2,448 J/TH).