Antminer K7 vs Bitmain Antminer KS3 (8.3Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer K7 | Specification | Bitmain Antminer KS3 (8.3Th) |
|---|---|---|
| 63.5 TH/s | Hashrate | 8.3 TH/s |
| 3,080 W | Power Consumption | 3,188 W |
| 48.5 J/TH | Efficiency | 384.1 J/TH |
| 75 dB | Noise Level | — |
| 14.0 kg | Weight | — |
| 10,509 BTU/hr | BTU Output | 10,878 BTU/hr |
| 36/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer K7
Bitmain Antminer KS3 (8.3Th)
Based on BTC price of $74,306 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on specs, the Antminer K7 offers 87% better efficiency at 48.5 J/TH compared to the Bitmain Antminer KS3 (8.3Th) at 384.1 J/TH. This directly impacts daily operating costs and long-term profitability.
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 KS3 (8.3Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer K7 is more profitable at $-5.35/day compared to $-7.38/day for the Bitmain Antminer KS3 (8.3Th). 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 KS3 (8.3Th)?
The Antminer K7 is quieter at 75 dB compared to the Bitmain Antminer KS3 (8.3Th) 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 KS3 (8.3Th)?
The Antminer K7 scores 36/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer KS3 (8.3Th)). 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 KS3 (8.3Th)?
The Antminer K7 runs at 48.5 J/TH while the Bitmain Antminer KS3 (8.3Th) runs at 384.1 J/TH — a difference of 335.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.