Antminer K7 vs Antminer KS5 Pro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer K7 | Specification | Antminer KS5 Pro |
|---|---|---|
| 63.5 TH/s | Hashrate | 21.0 TH/s |
| 3,080 W | Power Consumption | 3,150 W |
| 48.5 J/TH | Efficiency | 150.0 J/TH |
| 75 dB | Noise Level | 75 dB |
| 14.0 kg | Weight | 14.5 kg |
| 10,509 BTU/hr | BTU Output | 10,748 BTU/hr |
| 36/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer K7
Antminer KS5 Pro
Based on BTC price of $78,139 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer K7 wins on 4 of 4 factors (efficiency, hashrate, power consumption, price-performance). Where it pulls away hardest is 68% better efficiency (48.5 vs 150.0 J/TH). The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the Antminer K7 and Antminer KS5 Pro actually differ, with the gap quantified:
- Antminer K7 202% more hashrate (63.5 vs 21.0 TH/s)
- Antminer K7 2% better power draw (3,080 vs 3,150 W)
- Antminer K7 68% better efficiency (48.5 vs 150.0 J/TH)
- Antminer K7 3% better weight (14.0 vs 14.5 kg)
- Antminer KS5 Pro 2% more heat output (10,509 vs 10,748 BTU/hr)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Antminer K7 | Metric | Antminer KS5 Pro |
|---|---|---|
| $3,500 | Upfront cost (MSRP) | $15,000 |
| -$5.11 | Daily net profit | -$6.80 |
| -$5,365 | Net after 1 year | -$17,484 |
| -$7,229 | Net after 2 years | -$19,968 |
| -$9,094 | Net after 3 years | -$22,451 |
| 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
TieBoth miners are equally suitable for home use.
Best for Efficiency
Antminer K748.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer K7 or Antminer KS5 Pro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer K7 is more profitable at $-5.11/day compared to $-6.80/day for the Antminer KS5 Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer K7 or the Antminer KS5 Pro better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Antminer K7 vs Antminer KS5 Pro: which fits a residential setup better?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
What is the efficiency difference between Antminer K7 and Antminer KS5 Pro?
The Antminer K7 runs at 48.5 J/TH while the Antminer KS5 Pro runs at 150.0 J/TH — a difference of 101.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 68% better efficiency (48.5 vs 150.0 J/TH).