Antminer K7 vs Bitmain Antminer Z15
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer K7 | Specification | Bitmain Antminer Z15 |
|---|---|---|
| 63.5 TH/s | Hashrate | 420.0 Ksol/s |
| 3,080 W | Power Consumption | 1,510 W |
| 48.5 J/TH | Efficiency | 3.6 J/TH |
| 75 dB | Noise Level | — |
| 14.0 kg | Weight | 9,000.0 kg |
| 10,509 BTU/hr | BTU Output | 5,152 BTU/hr |
| 36/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | Equihash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer K7
Bitmain Antminer Z15
Based on BTC price of $74,306 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on specs, the Bitmain Antminer Z15 offers 93% better efficiency at 3.6 J/TH compared to the Antminer K7 at 48.5 J/TH. This directly impacts daily operating costs and long-term profitability.
Best For...
Best for Profitability
Bitmain Antminer Z15$15.25/day higher profit at current rates.
Best for Home Mining
Antminer K7Score: 36/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer Z153.6 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer K7 or Bitmain Antminer Z15 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer Z15 is more profitable at $9.90/day compared to $-5.35/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 Z15?
The Antminer K7 is quieter at 75 dB compared to the Bitmain Antminer Z15 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 Z15?
The Antminer K7 scores 36/100 on our Home Mining Score (vs 28/100 for the Bitmain Antminer Z15). 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 Z15?
The Antminer K7 runs at 48.5 J/TH while the Bitmain Antminer Z15 runs at 3.6 J/TH — a difference of 44.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.