Antminer D9 vs Bitmain Antminer S7
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D9 | Specification | Bitmain Antminer S7 |
|---|---|---|
| 1,770.0 GH/s | Hashrate | 4.7 TH/s |
| 2,839 W | Power Consumption | 1,293 W |
| 1,604.0 J/TH | Efficiency | 273.4 J/TH |
| 75 dB | Noise Level | — |
| 16.1 kg | Weight | 3,900.0 kg |
| 9,687 BTU/hr | BTU Output | 4,412 BTU/hr |
| 36/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| X11 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D9
Bitmain Antminer S7
Based on BTC price of $79,095 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer S7, which leads on 3 of 5 weighted factors (efficiency, hashrate, power consumption). Its biggest concrete edge: 83% better efficiency (1,604 vs 273 J/TH). The Antminer D9 claws back ground on home mining score and noise level. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Antminer D9 and Bitmain Antminer S7 actually differ, with the gap quantified:
- Bitmain Antminer S7 167% more hashrate (1.8 vs 4.7 TH/s)
- Bitmain Antminer S7 54% better power draw (2,839 vs 1,293 W)
- Bitmain Antminer S7 83% better efficiency (1,604 vs 273 J/TH)
- Antminer D9 100% better weight (16.1 vs 3,900.0 kg)
- Antminer D9 120% more heat output (9,687 vs 4,412 BTU/hr)
- Antminer D9 16% more home mining score (36.0 vs 31.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Antminer D9 | Metric | Bitmain Antminer S7 |
|---|---|---|
| $3,000 | Upfront cost (MSRP) | — |
| -$6.75 | Daily net profit | -$2.93 |
| -$5,463 | Net after 1 year | -$1,070 |
| -$7,927 | Net after 2 years | -$2,140 |
| -$10,390 | Net after 3 years | -$3,209 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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
Bitmain Antminer S7273.4 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer D9 or Bitmain Antminer S7 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S7 is more profitable at $-2.93/day compared to $-6.75/day for the Antminer D9. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer D9 or the Bitmain Antminer S7 better for noise-sensitive spaces?
The Antminer D9 is quieter at 75 dB compared to the Bitmain Antminer S7 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer D9 or Bitmain Antminer S7?
The Antminer D9 scores 36/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S7). 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 Antminer D9 and Bitmain Antminer S7?
The Antminer D9 runs at 1,604.0 J/TH while the Bitmain Antminer S7 runs at 273.4 J/TH — a difference of 1,330.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 83% better efficiency (1,604 vs 273 J/TH).