Antminer D9 vs Bitmain Antminer K7 (58Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D9 | Specification | Bitmain Antminer K7 (58Th) |
|---|---|---|
| 1,770.0 GH/s | Hashrate | 58.0 TH/s |
| 2,839 W | Power Consumption | 2,813 W |
| 1,604.0 J/TH | Efficiency | 48.5 J/TH |
| 75 dB | Noise Level | — |
| 16.1 kg | Weight | 16.1 kg |
| 9,687 BTU/hr | BTU Output | 9,598 BTU/hr |
| 36/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| X11 | Algorithm | Eaglesong |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D9
Bitmain Antminer K7 (58Th)
Based on BTC price of $78,221 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer K7 (58Th) wins on 4 of 6 factors (efficiency, hashrate, power consumption, price-performance). Where it pulls away hardest is 97% better efficiency (1,604.0 vs 48.5 J/TH). The Antminer D9 holds the edge in home mining score and noise level. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Antminer D9 and Bitmain Antminer K7 (58Th) actually differ, with the gap quantified:
- Bitmain Antminer K7 (58Th) 3177% more hashrate (1.8 vs 58.0 TH/s)
- Bitmain Antminer K7 (58Th) 1% better power draw (2,839 vs 2,813 W)
- Bitmain Antminer K7 (58Th) 97% better efficiency (1,604.0 vs 48.5 J/TH)
- Antminer D9 1% more heat output (9,687 vs 9,598 BTU/hr)
- Antminer D9 64% more home mining score (36.0 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 D9 | Metric | Bitmain Antminer K7 (58Th) |
|---|---|---|
| $3,000 | Upfront cost (MSRP) | $1,860 |
| -$6.75 | Daily net profit | -$4.66 |
| -$5,464 | Net after 1 year | -$3,562 |
| -$7,927 | Net after 2 years | -$5,264 |
| -$10,391 | Net after 3 years | -$6,966 |
| 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 D9Score: 36/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer K7 (58Th)48.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer D9 or Bitmain Antminer K7 (58Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer K7 (58Th) is more profitable at $-4.66/day compared to $-6.75/day for the Antminer D9. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer D9 or the Bitmain Antminer K7 (58Th) better for noise-sensitive spaces?
The Antminer D9 is quieter at 75 dB compared to the Bitmain Antminer K7 (58Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Antminer D9 or the Bitmain Antminer K7 (58Th)?
The Antminer D9 scores 36/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer K7 (58Th)). 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 K7 (58Th) on J/TH?
The Antminer D9 runs at 1,604.0 J/TH while the Bitmain Antminer K7 (58Th) runs at 48.5 J/TH — a difference of 1,555.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 97% better efficiency (1,604.0 vs 48.5 J/TH).