Antminer D7 vs Bitmain Antminer S9 (12.5Th)
Side-by-side specs, profitability, and home mining comparison.
Quick verdict
For most buyers the Bitmain Antminer S9 (12.5Th) is the stronger pick — it leads on 5 of 6 head-to-head factors. The Antminer D7 runs 1,286.0 GH/s; the Bitmain Antminer S9 (12.5Th) runs 12.5 TH/s.
Specs verified against the D-Central Mining Bible \xc2\xb7 June 2026
Specifications Comparison
| Antminer D7 | Specification | Bitmain Antminer S9 (12.5Th) |
|---|---|---|
| 1,286.0 GH/s | Taux de hachage | 12.5 TH/s |
| 3,148 W | Consommation électrique | 1,225 W |
| 2,447.9 J/TH | Efficiency | 98.0 J/TH |
| 70 dB | Niveau de bruit | — |
| 14.4 kg | Weight | 4.2 kg |
| 10,741 BTU/hr | BTU Output | 4,180 BTU/hr |
| 13/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| X11 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D7
Bitmain Antminer S9 (12.5Th)
Based on BTC price of $61,188 and current network difficulty as of Jun 25, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer S9 (12.5Th) comes out ahead — it takes 5 of 6 (efficacité, hashrate, consommation électrique, score de minage domestique, rapport qualité-prix). Its biggest concrete edge: 96% better efficacité (2,447.9 vs 98.0 J/TH). The Antminer D7 holds the edge in niveau sonore. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Antminer D7 and Bitmain Antminer S9 (12.5Th) actually differ, with the gap quantified:
- Bitmain Antminer S9 (12.5Th) 872% more hashrate (1.3 vs 12.5 TH/s)
- Bitmain Antminer S9 (12.5Th) 61% better power draw (3,148 vs 1,225 W)
- Bitmain Antminer S9 (12.5Th) 96% better efficacité (2,447.9 vs 98.0 J/TH)
- Bitmain Antminer S9 (12.5Th) 71% better weight (14.4 vs 4.2 kg)
- Antminer D7 157% more heat output (10,741 vs 4,180 BTU/hr)
- Bitmain Antminer S9 (12.5Th) 69% more score de minage domestique (13.0 vs 22.0)
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 (12.5Th) |
|---|---|---|
| $2,500 | Upfront cost (MSRP) | $65 |
| -$7.52 | Daily net profit | -$2.56 |
| -$5,243 | Net after 1 year | -$998 |
| -$7,986 | Net after 2 years | -$1,930 |
| -$10,730 | Net after 3 years | -$2,863 |
| 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
Bitmain Antminer S9 (12.5Th)Score: 22/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer S9 (12.5Th)98.0 J/TH — lower electricity cost per terahash.
Foire aux questions
Which makes more money, the Antminer D7 or the Bitmain Antminer S9 (12.5Th)?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S9 (12.5Th) is more profitable at $-2.56/day compared to $-7.52/day for the Antminer D7. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer D7 or the Bitmain Antminer S9 (12.5Th) better for noise-sensitive spaces?
The Antminer D7 is quieter at 70 dB compared to the Bitmain Antminer S9 (12.5Th) 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 (12.5Th)?
The Bitmain Antminer S9 (12.5Th) scores 22/100 on our Home Mining Score (vs 13/100 for the Antminer D7). 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 (12.5Th): how much does the efficiency gap matter?
The Antminer D7 runs at 2,447.9 J/TH while the Bitmain Antminer S9 (12.5Th) 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 efficacité (2,447.9 vs 98.0 J/TH).