Antminer K7 vs Antminer S21+
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer K7 | Specification | Antminer S21+ |
|---|---|---|
| 63.5 TH/s | Taux de hachage | 216.0 TH/s |
| 3,080 W | Consommation électrique | 3,564 W |
| 48.5 J/TH | Efficiency | 16.5 J/TH |
| 75 dB | Niveau de bruit | 75 dB |
| 14.0 kg | Weight | 15.0 kg |
| 10,509 BTU/hr | BTU Output | 12,160 BTU/hr |
| 36/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| Eaglesong | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer K7
Antminer S21+
Based on BTC price of $74,060 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Antminer S21+ l'emporte sur 3 des 5 facteurs (efficacité, hashrate, rapport qualité-prix). Le Antminer K7 a l'avantage en consommation électrique and score de minage domestique. Consultez les spécifications détaillées et les calculs de rentabilité ci-dessus pour déterminer quel mineur convient le mieux à votre installation.
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 S21+16.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer K7 or Antminer S21+ more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21+ is more profitable at $-1.62/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 Antminer S21+?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Antminer K7 or Antminer S21+?
The Antminer K7 scores 36/100 on our Home Mining Score (vs 30/100 for the Antminer S21+). 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 Antminer S21+?
The Antminer K7 runs at 48.5 J/TH while the Antminer S21+ runs at 16.5 J/TH — a difference of 32.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.