Antminer D7 vs Antminer S19j
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D7 | Specification | Antminer S19j |
|---|---|---|
| 1,286.0 GH/s | Taux de hachage | 90.0 TH/s |
| 3,148 W | Consommation électrique | 3,100 W |
| 2,447.9 J/TH | Efficiency | 34.4 J/TH |
| 70 dB | Niveau de bruit | 75 dB |
| 14.4 kg | Weight | 13.0 kg |
| 10,741 BTU/hr | BTU Output | 10,577 BTU/hr |
| 36/100 | Home Mining Score | 84/100 |
| — | Release Year | — |
| X11 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D7
Antminer S19j
Based on BTC price of $78,185 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Antminer S19j, which leads on 5 of 6 weighted factors (efficacité, hashrate, consommation électrique, score de minage domestique, rapport qualité-prix). Its biggest concrete edge: 99% better efficacité (2,447.9 vs 34.4 J/TH). The Antminer D7 claws back ground on niveau sonore. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
The Antminer D7 and Antminer S19j diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Antminer S19j 6898% more hashrate (1.3 vs 90.0 TH/s)
- Antminer S19j 2% better power draw (3,148 vs 3,100 W)
- Antminer S19j 99% better efficacité (2,447.9 vs 34.4 J/TH)
- Antminer D7 7% better noise (70.0 vs 75.0 dB)
- Antminer S19j 10% better weight (14.4 vs 13.0 kg)
- Antminer D7 2% more heat output (10,741 vs 10,577 BTU/hr)
- Antminer S19j 133% more score de minage domestique (36.0 vs 84.0)
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 | Antminer S19j |
|---|---|---|
| $2,500 | Upfront cost (MSRP) | $2,000 |
| -$7.51 | Daily net profit | -$4.20 |
| -$5,241 | Net after 1 year | -$3,534 |
| -$7,982 | Net after 2 years | -$5,067 |
| -$10,722 | Net after 3 years | -$6,601 |
| 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 S19jScore: 84/100. 75 dB noise level.
Best for Efficiency
Antminer S19j34.4 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer D7 or Antminer S19j more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S19j is more profitable at $-4.20/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 Antminer S19j: which runs at a lower noise level?
The Antminer D7 is quieter at 70 dB compared to the Antminer S19j at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Antminer D7 vs Antminer S19j: which fits a residential setup better?
The Antminer S19j scores 84/100 on our Home Mining Score (vs 36/100 for the Antminer D7). 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 D7 and Antminer S19j on J/TH?
The Antminer D7 runs at 2,447.9 J/TH while the Antminer S19j runs at 34.4 J/TH — a difference of 2,413.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 99% better efficacité (2,447.9 vs 34.4 J/TH).
