Bitmain Antminer D7 (1286Gh) vs Antminer K7
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer D7 (1286Gh) | Specification | Antminer K7 |
|---|---|---|
| 1.3 TH/s | Hashrate | 63.5 TH/s |
| 3,148 W | Power Consumption | 3,080 W |
| 2,447.9 J/TH | Efficiency | 48.5 J/TH |
| — | Noise Level | 75 dB |
| 14,200.0 kg | Weight | 14.0 kg |
| 10,741 BTU/hr | BTU Output | 10,509 BTU/hr |
| 22/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| X11 | Algorithm | Eaglesong |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer D7 (1286Gh)
Antminer K7
Based on BTC price of $77,929 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Antminer K7, which leads on 6 of 6 weighted factors (efficiency, hashrate, power consumption, home mining score, noise level, price-performance). Its biggest concrete edge: 98% better efficiency (2,447.9 vs 48.5 J/TH). Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
The Bitmain Antminer D7 (1286Gh) and Antminer K7 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Antminer K7 4838% more hashrate (1.3 vs 63.5 TH/s)
- Antminer K7 2% better power draw (3,148 vs 3,080 W)
- Antminer K7 98% better efficiency (2,447.9 vs 48.5 J/TH)
- Antminer K7 100% better weight (14,200.0 vs 14.0 kg)
- Bitmain Antminer D7 (1286Gh) 2% more heat output (10,741 vs 10,509 BTU/hr)
- Antminer K7 64% more home mining score (22.0 vs 36.0)
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.
| Bitmain Antminer D7 (1286Gh) | Metric | Antminer K7 |
|---|---|---|
| $2,595 | Upfront cost (MSRP) | $3,500 |
| -$7.51 | Daily net profit | -$5.11 |
| -$5,336 | Net after 1 year | -$5,367 |
| -$8,077 | Net after 2 years | -$7,234 |
| -$10,817 | Net after 3 years | -$9,101 |
| 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 K7Score: 36/100. 75 dB noise level.
Best for Efficiency
Antminer K748.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer D7 (1286Gh) or the Antminer K7?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer K7 is more profitable at $-5.11/day compared to $-7.51/day for the Bitmain Antminer D7 (1286Gh). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer D7 (1286Gh) or the Antminer K7 better for noise-sensitive spaces?
The Antminer K7 is quieter at 75 dB compared to the Bitmain Antminer D7 (1286Gh) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitmain Antminer D7 (1286Gh) or the Antminer K7?
The Antminer K7 scores 36/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer D7 (1286Gh)). 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 Bitmain Antminer D7 (1286Gh) and Antminer K7?
The Bitmain Antminer D7 (1286Gh) runs at 2,447.9 J/TH while the Antminer K7 runs at 48.5 J/TH — a difference of 2,399.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 98% better efficiency (2,447.9 vs 48.5 J/TH).