Antminer T21 vs Bitmain Antminer T9 (12.5Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer T21 | Specification | Bitmain Antminer T9 (12.5Th) |
|---|---|---|
| 190.0 TH/s | Taux de hachage | 12.5 TH/s |
| 3,610 W | Consommation électrique | 1,576 W |
| 19.0 J/TH | Efficiency | 126.1 J/TH |
| 75 dB | Niveau de bruit | — |
| 14.6 kg | Weight | 3,800.0 kg |
| 12,317 BTU/hr | BTU Output | 5,377 BTU/hr |
| 30/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer T21
Bitmain Antminer T9 (12.5Th)
Based on BTC price of $80,656 and current network difficulty as of May 12, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Antminer T21 l'emporte sur 5 des 6 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore, rapport qualité-prix). Le Bitmain Antminer T9 (12.5Th) 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 T21Score: 30/100. 75 dB noise level.
Best for Efficiency
Antminer T2119.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer T21 or Bitmain Antminer T9 (12.5Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer T21 is more profitable at $-1.39/day compared to $-3.30/day for the Bitmain Antminer T9 (12.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer T21 or Bitmain Antminer T9 (12.5Th)?
The Antminer T21 is quieter at 75 dB compared to the Bitmain Antminer T9 (12.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer T21 or Bitmain Antminer T9 (12.5Th)?
The Antminer T21 scores 30/100 on our Home Mining Score (vs 28/100 for the Bitmain Antminer T9 (12.5Th)). 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 T21 and Bitmain Antminer T9 (12.5Th)?
The Antminer T21 runs at 19.0 J/TH while the Bitmain Antminer T9 (12.5Th) runs at 126.1 J/TH — a difference of 107.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.