Antminer K7 vs Bitmain T21 (190TH)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer K7 | Specification | Bitmain T21 (190TH) |
|---|---|---|
| 63.5 TH/s | Taux de hachage | 190.0 TH/s |
| 3,080 W | Consommation électrique | 3,610 W |
| 48.5 J/TH | Efficiency | 19.0 J/TH |
| 75 dB | Niveau de bruit | 76 dB |
| 14.0 kg | Weight | 16.4 kg |
| 10,509 BTU/hr | BTU Output | 12,317 BTU/hr |
| 36/100 | Home Mining Score | 23/100 |
| — | Release Year | — |
| Eaglesong | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer K7
Bitmain T21 (190TH)
Based on BTC price of $74,268 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain T21 (190TH) l'emporte sur 3 des 6 facteurs (efficacité, hashrate, rapport qualité-prix). Le Antminer K7 a l'avantage en consommation électrique and score de minage domestique and niveau sonore. 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
Bitmain T21 (190TH)19.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer K7 or Bitmain T21 (190TH) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain T21 (190TH) is more profitable at $-2.55/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 Bitmain T21 (190TH)?
The Antminer K7 is quieter at 75 dB compared to the Bitmain T21 (190TH) at 76 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer K7 or Bitmain T21 (190TH)?
The Antminer K7 scores 36/100 on our Home Mining Score (vs 23/100 for the Bitmain T21 (190TH)). 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 T21 (190TH)?
The Antminer K7 runs at 48.5 J/TH while the Bitmain T21 (190TH) runs at 19.0 J/TH — a difference of 29.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.