Antminer D7 vs Bitmain Antminer Z9
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D7 | Specification | Bitmain Antminer Z9 |
|---|---|---|
| 1,286.0 GH/s | Hashrate | 42.0 Ksol/s |
| 3,148 W | Power Consumption | 970 W |
| 2,447.9 J/TH | Efficiency | 23.1 J/TH |
| 70 dB | Noise Level | — |
| 14.4 kg | Weight | 4,700.0 kg |
| 10,741 BTU/hr | BTU Output | 3,310 BTU/hr |
| 36/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| X11 | Algorithm | Equihash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D7
Bitmain Antminer Z9
Based on BTC price of $78,175 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain Antminer Z9 edges it: 3 of 5 factors go its way (efficiency, hashrate, power consumption). The standout gap is 99% better efficiency (2,447.9 vs 23.1 J/TH) in the Bitmain Antminer Z9's favour. The Antminer D7 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
Stripped to the numbers, this is how far apart the Antminer D7 and Bitmain Antminer Z9 sit on each measurable spec:
- Bitmain Antminer Z9 3166% more hashrate (1.3 vs 42.0 TH/s)
- Bitmain Antminer Z9 69% better power draw (3,148 vs 970 W)
- Bitmain Antminer Z9 99% better efficiency (2,447.9 vs 23.1 J/TH)
- Antminer D7 100% better weight (14.4 vs 4,700.0 kg)
- Antminer D7 225% more heat output (10,741 vs 3,310 BTU/hr)
- Antminer D7 16% more home mining score (36.0 vs 31.0)
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.
| Antminer D7 | Metric | Bitmain Antminer Z9 |
|---|---|---|
| $2,500 | Upfront cost (MSRP) | — |
| -$7.51 | Daily net profit | -$0.82 |
| -$5,241 | Net after 1 year | -$298 |
| -$7,982 | Net after 2 years | -$596 |
| -$10,722 | Net after 3 years | -$895 |
| 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 Z923.1 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer D7 or Bitmain Antminer Z9 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer Z9 is more profitable at $-0.82/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 Z9?
The Antminer D7 is quieter at 70 dB compared to the Bitmain Antminer Z9 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 Z9?
The Antminer D7 scores 36/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer Z9). 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 Z9?
The Antminer D7 runs at 2,447.9 J/TH while the Bitmain Antminer Z9 runs at 23.1 J/TH — a difference of 2,424.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 99% better efficiency (2,447.9 vs 23.1 J/TH).