Antminer D9 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 D9 runs 1,770.0 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 D9 | Specification | Bitmain Antminer S9 (12.5Th) |
|---|---|---|
| 1,770.0 GH/s | Taux de hachage | 12.5 TH/s |
| 2,839 W | Consommation électrique | 1,225 W |
| 1,604.0 J/TH | Efficiency | 98.0 J/TH |
| 75 dB | Niveau de bruit | — |
| 16.1 kg | Weight | 4.2 kg |
| 9,687 BTU/hr | BTU Output | 4,180 BTU/hr |
| 8/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| X11 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D9
Bitmain Antminer S9 (12.5Th)
Based on BTC price of $61,637 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: 94% better efficacité (1,604.0 vs 98.0 J/TH). The Antminer D9 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
Stripped to the numbers, this is how far apart the Antminer D9 and Bitmain Antminer S9 (12.5Th) sit on each measurable spec:
- Bitmain Antminer S9 (12.5Th) 606% more hashrate (1.8 vs 12.5 TH/s)
- Bitmain Antminer S9 (12.5Th) 57% better power draw (2,839 vs 1,225 W)
- Bitmain Antminer S9 (12.5Th) 94% better efficacité (1,604.0 vs 98.0 J/TH)
- Bitmain Antminer S9 (12.5Th) 74% better weight (16.1 vs 4.2 kg)
- Antminer D9 132% more heat output (9,687 vs 4,180 BTU/hr)
- Bitmain Antminer S9 (12.5Th) 175% more score de minage domestique (8.0 vs 22.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Antminer D9 | Metric | Bitmain Antminer S9 (12.5Th) |
|---|---|---|
| $3,000 | Upfront cost (MSRP) | $65 |
| -$6.76 | Daily net profit | -$2.55 |
| -$5,467 | Net after 1 year | -$997 |
| -$7,934 | Net after 2 years | -$1,928 |
| -$10,401 | Net after 3 years | -$2,860 |
| 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
Antminer D9 vs Bitmain Antminer S9 (12.5Th): which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S9 (12.5Th) is more profitable at $-2.55/day compared to $-6.76/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 (12.5Th): which runs at a lower noise level?
The Antminer D9 is quieter at 75 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 D9 or Bitmain Antminer S9 (12.5Th)?
The Bitmain Antminer S9 (12.5Th) scores 22/100 on our Home Mining Score (vs 8/100 for the Antminer D9). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Antminer D9 and Bitmain Antminer S9 (12.5Th) on J/TH?
The Antminer D9 runs at 1,604.0 J/TH while the Bitmain Antminer S9 (12.5Th) runs at 98.0 J/TH — a difference of 1,506.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 94% better efficacité (1,604.0 vs 98.0 J/TH).