Antminer K7 vs Bitmain Bitcoin Miner S19j XP
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer K7 | Specification | Bitmain Bitcoin Miner S19j XP |
|---|---|---|
| 63.5 TH/s | Hashrate | 151.0 TH/s |
| 3,080 W | Power Consumption | 3,247 W |
| 48.5 J/TH | Efficiency | 21.5 J/TH |
| 75 dB | Noise Level | — |
| 14.0 kg | Weight | — |
| 10,509 BTU/hr | BTU Output | 11,079 BTU/hr |
| 36/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer K7
Bitmain Bitcoin Miner S19j XP
Based on BTC price of $69,364 and current network difficulty as of Mar 24, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Bitcoin Miner S19j XP wins on 3 of 6 factors (efficiency, hashrate, price-performance). The Antminer K7 holds the edge in power consumption and home mining score and noise level. 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
Bitmain Bitcoin Miner S19j XP21.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer K7 or Bitmain Bitcoin Miner S19j XP more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Bitcoin Miner S19j XP is more profitable at $-3.25/day compared to $-5.48/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 Bitcoin Miner S19j XP?
The Antminer K7 is quieter at 75 dB compared to the Bitmain Bitcoin Miner S19j XP 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 Bitcoin Miner S19j XP?
The Antminer K7 scores 36/100 on our Home Mining Score (vs 22/100 for the Bitmain Bitcoin Miner S19j XP). 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 Bitcoin Miner S19j XP?
The Antminer K7 runs at 48.5 J/TH while the Bitmain Bitcoin Miner S19j XP runs at 21.5 J/TH — a difference of 27.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.