Antminer D7 vs Bitmain Antminer S9 (14Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D7 | Specification | Bitmain Antminer S9 (14Th) |
|---|---|---|
| 1,286.0 GH/s | Hashrate | 14.0 TH/s |
| 3,148 W | Power Consumption | 1,372 W |
| 2,447.9 J/TH | Efficiency | 98.0 J/TH |
| 70 dB | Noise Level | — |
| 14.4 kg | Weight | 4,200.0 kg |
| 10,741 BTU/hr | BTU Output | 4,681 BTU/hr |
| 36/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| X11 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D7
Bitmain Antminer S9 (14Th)
Based on BTC price of $79,087 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer S9 (14Th), which leads on 4 of 6 weighted factors (efficiency, hashrate, power consumption, price-performance). The standout gap is 96% better efficiency (2,447.9 vs 98.0 J/TH) in the Bitmain Antminer S9 (14Th)'s favour. That said, the Antminer D7 isn't beaten everywhere — it still wins home mining score and noise level. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Antminer D7 and Bitmain Antminer S9 (14Th) actually differ, with the gap quantified:
- Bitmain Antminer S9 (14Th) 989% more hashrate (1.3 vs 14.0 TH/s)
- Bitmain Antminer S9 (14Th) 56% better power draw (3,148 vs 1,372 W)
- Bitmain Antminer S9 (14Th) 96% better efficiency (2,447.9 vs 98.0 J/TH)
- Antminer D7 100% better weight (14.4 vs 4,200.0 kg)
- Antminer D7 129% more heat output (10,741 vs 4,681 BTU/hr)
- Antminer D7 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 D7 | Metric | Bitmain Antminer S9 (14Th) |
|---|---|---|
| $2,500 | Upfront cost (MSRP) | $65 |
| -$7.51 | Daily net profit | -$2.77 |
| -$5,240 | Net after 1 year | -$1,075 |
| -$7,980 | Net after 2 years | -$2,085 |
| -$10,720 | Net after 3 years | -$3,095 |
| Does not pay back at current rates (negative daily profit) | 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
Bitmain Antminer S9 (14Th)98.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer D7 vs Bitmain Antminer S9 (14Th): which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S9 (14Th) is more profitable at $-2.77/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.
Antminer D7 vs Bitmain Antminer S9 (14Th): which runs at a lower noise level?
The Antminer D7 is quieter at 70 dB compared to the Bitmain Antminer S9 (14Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Antminer D7 or the Bitmain Antminer S9 (14Th)?
The Antminer D7 scores 36/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S9 (14Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer D7 vs Bitmain Antminer S9 (14Th): how much does the efficiency gap matter?
The Antminer D7 runs at 2,447.9 J/TH while the Bitmain Antminer S9 (14Th) runs at 98.0 J/TH — a difference of 2,349.9 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 98.0 J/TH).