Antminer K7 vs Bitmain Antminer S15 (28Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer K7 | Specification | Bitmain Antminer S15 (28Th) |
|---|---|---|
| 63.5 TH/s | Hashrate | 28.0 TH/s |
| 3,080 W | Power Consumption | 1,596 W |
| 48.5 J/TH | Efficiency | 57.0 J/TH |
| 75 dB | Noise Level | — |
| 14.0 kg | Weight | 7,000.0 kg |
| 10,509 BTU/hr | BTU Output | 5,446 BTU/hr |
| 36/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer K7
Bitmain Antminer S15 (28Th)
Based on BTC price of $75,694 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer K7 wins on 5 of 6 factors (efficiency, hashrate, home mining score, noise level, price-performance). The Bitmain Antminer S15 (28Th) holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
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
Is the Antminer K7 or Bitmain Antminer S15 (28Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S15 (28Th) is more profitable at $-2.91/day compared to $-5.31/day for the Antminer K7. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer K7 or Bitmain Antminer S15 (28Th)?
The Antminer K7 is quieter at 75 dB compared to the Bitmain Antminer S15 (28Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer K7 or Bitmain Antminer S15 (28Th)?
The Antminer K7 scores 36/100 on our Home Mining Score (vs 28/100 for the Bitmain Antminer S15 (28Th)). 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 Antminer K7 and Bitmain Antminer S15 (28Th)?
The Antminer K7 runs at 48.5 J/TH while the Bitmain Antminer S15 (28Th) runs at 57.0 J/TH — a difference of 8.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.