Antminer K7 vs Antminer S21 Hydro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer K7 | Specification | Antminer S21 Hydro |
|---|---|---|
| 63.5 TH/s | Taux de hachage | 335.0 TH/s |
| 3,080 W | Consommation électrique | 5,360 W |
| 48.5 J/TH | Efficiency | 16.0 J/TH |
| 75 dB | Niveau de bruit | 50 dB |
| 14.0 kg | Weight | 15.8 kg |
| 10,509 BTU/hr | BTU Output | 18,288 BTU/hr |
| 36/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| Eaglesong | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer K7
Antminer S21 Hydro
Based on BTC price of $74,317 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Antminer S21 Hydro l'emporte sur 5 des 6 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore, rapport qualité-prix). Le Antminer K7 a l'avantage en consommation électrique. 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 S21 HydroScore: 44/100. 50 dB noise level.
Best for Efficiency
Antminer S21 Hydro16.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer K7 or Antminer S21 Hydro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 Hydro is more profitable at $-2.07/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 Hydro?
The Antminer S21 Hydro is quieter at 50 dB compared to the Antminer K7 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer K7 or Antminer S21 Hydro?
The Antminer S21 Hydro scores 44/100 on our Home Mining Score (vs 36/100 for the Antminer K7). 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 Hydro?
The Antminer K7 runs at 48.5 J/TH while the Antminer S21 Hydro runs at 16.0 J/TH — a difference of 32.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.