Antminer D9 vs Bitmain Antminer S9 Hydro (18Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D9 | Specification | Bitmain Antminer S9 Hydro (18Th) |
|---|---|---|
| 1,770.0 GH/s | Hashrate | 18.0 TH/s |
| 2,839 W | Power Consumption | 1,728 W |
| 1,604.0 J/TH | Efficiency | 96.0 J/TH |
| 75 dB | Noise Level | — |
| 16.1 kg | Weight | 5,150.0 kg |
| 9,687 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 D9
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
Based on our multi-factor analysis, the Bitmain Antminer S9 Hydro (18Th) wins on 3 of 5 factors (efficiency, hashrate, power consumption). Where it pulls away hardest is 94% better efficiency (1,604.0 vs 96.0 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
The Antminer D9 and Bitmain Antminer S9 Hydro (18Th) diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S9 Hydro (18Th) 917% more hashrate (1.8 vs 18.0 TH/s)
- Bitmain Antminer S9 Hydro (18Th) 39% better power draw (2,839 vs 1,728 W)
- Bitmain Antminer S9 Hydro (18Th) 94% better efficiency (1,604.0 vs 96.0 J/TH)
- Antminer D9 100% better weight (16.1 vs 5,150.0 kg)
- Antminer D9 64% more heat output (9,687 vs 5,896 BTU/hr)
- Antminer D9 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 D9 | Metric | Bitmain Antminer S9 Hydro (18Th) |
|---|---|---|
| $3,000 | Upfront cost (MSRP) | — |
| -$6.75 | Daily net profit | -$3.49 |
| -$5,463 | Net after 1 year | -$1,275 |
| -$7,927 | Net after 2 years | -$2,549 |
| -$10,390 | 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 D9Score: 36/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer S9 Hydro (18Th)96.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer D9 or Bitmain Antminer S9 Hydro (18Th) more profitable?
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 $-6.75/day for the Antminer D9. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer D9 vs Bitmain Antminer S9 Hydro (18Th): which runs at a lower noise level?
The Antminer D9 is quieter at 75 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 D9 or Bitmain Antminer S9 Hydro (18Th)?
The Antminer D9 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 D9 and Bitmain Antminer S9 Hydro (18Th)?
The Antminer D9 runs at 1,604.0 J/TH while the Bitmain Antminer S9 Hydro (18Th) runs at 96.0 J/TH — a difference of 1,508.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 94% better efficiency (1,604.0 vs 96.0 J/TH).