Antminer K7 vs Bitmain Antminer KS5 (20Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer K7 | Specification | Bitmain Antminer KS5 (20Th) |
|---|---|---|
| 63.5 TH/s | Taux de hachage | 20.0 TH/s |
| 3,080 W | Consommation électrique | 3,000 W |
| 48.5 J/TH | Efficiency | 150.0 J/TH |
| 75 dB | Niveau de bruit | 75 dB |
| 14.0 kg | Weight | 15.8 kg |
| 10,509 BTU/hr | BTU Output | 10,236 BTU/hr |
| 36/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| Eaglesong | Algorithme | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer K7
Bitmain Antminer KS5 (20Th)
Based on BTC price of $78,236 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Antminer K7 l'emporte sur 2 des 4 facteurs (efficacité, hashrate). Where it pulls away hardest is 218% more hashrate (63.5 vs 20.0 TH/s). The Bitmain Antminer KS5 (20Th) claws back ground on consommation électrique and rapport qualité-prix. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the Antminer K7 and Bitmain Antminer KS5 (20Th) sit on each measurable spec:
- Antminer K7 218% more hashrate (63.5 vs 20.0 TH/s)
- Bitmain Antminer KS5 (20Th) 3% better power draw (3,080 vs 3,000 W)
- Antminer K7 68% better efficacité (48.5 vs 150.0 J/TH)
- Antminer K7 11% better weight (14.0 vs 15.8 kg)
- Antminer K7 3% more heat output (10,509 vs 10,236 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 | Bitmain Antminer KS5 (20Th) |
|---|---|---|
| $3,500 | Upfront cost (MSRP) | $799 |
| -$5.11 | Daily net profit | -$6.48 |
| -$5,364 | Net after 1 year | -$3,164 |
| -$7,227 | Net after 2 years | -$5,529 |
| -$9,091 | Net after 3 years | -$7,895 |
| 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
Which makes more money, the Antminer K7 or the Bitmain Antminer KS5 (20Th)?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer K7 is more profitable at $-5.11/day compared to $-6.48/day for the Bitmain Antminer KS5 (20Th). 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 KS5 (20Th)?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Antminer K7 vs Bitmain Antminer KS5 (20Th): 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 Bitmain Antminer KS5 (20Th)?
The Antminer K7 runs at 48.5 J/TH while the Bitmain Antminer KS5 (20Th) 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 efficacité (48.5 vs 150.0 J/TH).