Antminer D7 vs Bitmain Antminer S9 Hydro (18Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D7 | Specification | Bitmain Antminer S9 Hydro (18Th) |
|---|---|---|
| 1,286.0 GH/s | Hashrate | 18.0 TH/s |
| 3,148 W | Power Consumption | 1,728 W |
| 2,447.9 J/TH | Efficiency | 96.0 J/TH |
| 70 dB | Noise Level | — |
| 14.4 kg | Weight | 5,150.0 kg |
| 10,741 BTU/hr | BTU Output | 5,896 BTU/hr |
| 36/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| X11 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D7
Bitmain Antminer S9 Hydro (18Th)
Based on BTC price of $79,091 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer S9 Hydro (18Th) comes out ahead — it takes 3 of 5 (efficiency, hashrate, power consumption). The standout gap is 96% better efficiency (2,447.9 vs 96.0 J/TH) in the Bitmain Antminer S9 Hydro (18Th)'s favour. That said, the Antminer D7 isn't beaten everywhere — it still wins home mining score and noise level. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the Antminer D7 and Bitmain Antminer S9 Hydro (18Th) sit on each measurable spec:
- Bitmain Antminer S9 Hydro (18Th) 1300% more hashrate (1.3 vs 18.0 TH/s)
- Bitmain Antminer S9 Hydro (18Th) 45% better power draw (3,148 vs 1,728 W)
- Bitmain Antminer S9 Hydro (18Th) 96% better efficiency (2,447.9 vs 96.0 J/TH)
- Antminer D7 100% better weight (14.4 vs 5,150.0 kg)
- Antminer D7 82% more heat output (10,741 vs 5,896 BTU/hr)
- Antminer D7 29% more home mining score (36.0 vs 28.0)
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 D7 | Metric | Bitmain Antminer S9 Hydro (18Th) |
|---|---|---|
| $2,500 | Upfront cost (MSRP) | — |
| -$7.51 | Daily net profit | -$3.49 |
| -$5,241 | Net after 1 year | -$1,275 |
| -$7,981 | Net after 2 years | -$2,549 |
| -$10,722 | Net after 3 years | -$3,824 |
| 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 D7Score: 36/100. 70 dB noise level.
Best for Efficiency
Bitmain Antminer S9 Hydro (18Th)96.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer D7 vs Bitmain Antminer S9 Hydro (18Th): which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S9 Hydro (18Th) is more profitable at $-3.49/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.
Which is quieter, the Antminer D7 or Bitmain Antminer S9 Hydro (18Th)?
The Antminer D7 is quieter at 70 dB compared to the Bitmain Antminer S9 Hydro (18Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer D7 or Bitmain Antminer S9 Hydro (18Th)?
The Antminer D7 scores 36/100 on our Home Mining Score (vs 28/100 for the Bitmain Antminer S9 Hydro (18Th)). 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 D7 and Bitmain Antminer S9 Hydro (18Th)?
The Antminer D7 runs at 2,447.9 J/TH while the Bitmain Antminer S9 Hydro (18Th) runs at 96.0 J/TH — a difference of 2,351.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 96% better efficiency (2,447.9 vs 96.0 J/TH).