Antminer T21 vs Bitdeer SealMiner A3 Pro Hydro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer T21 | Specification | Bitdeer SealMiner A3 Pro Hydro |
|---|---|---|
| 190.0 TH/s | Taux de hachage | 660.0 TH/s |
| 3,610 W | Consommation électrique | 8,250 W |
| 19.0 J/TH | Efficiency | 12.5 J/TH |
| 75 dB | Niveau de bruit | 50 dB |
| 14.6 kg | Weight | 20.5 kg |
| 12,317 BTU/hr | BTU Output | 28,149 BTU/hr |
| 30/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitdeer |
Profitability Comparison
Antminer T21
Bitdeer SealMiner A3 Pro Hydro
Based on BTC price of $74,050 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitdeer SealMiner A3 Pro Hydro l'emporte sur 5 des 6 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore, rapport qualité-prix). Le Antminer T21 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
Bitdeer SealMiner A3 Pro Hydro$3.95/day higher profit at current rates.
Best for Home Mining
Bitdeer SealMiner A3 Pro HydroScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitdeer SealMiner A3 Pro Hydro12.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer T21 or Bitdeer SealMiner A3 Pro Hydro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Pro Hydro is more profitable at $1.38/day compared to $-2.57/day for the Antminer T21. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer T21 or Bitdeer SealMiner A3 Pro Hydro?
The Bitdeer SealMiner A3 Pro Hydro is quieter at 50 dB compared to the Antminer T21 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer T21 or Bitdeer SealMiner A3 Pro Hydro?
The Bitdeer SealMiner A3 Pro Hydro scores 44/100 on our Home Mining Score (vs 30/100 for the Antminer T21). 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 Bitdeer SealMiner A3 Pro Hydro?
The Antminer T21 runs at 19.0 J/TH while the Bitdeer SealMiner A3 Pro Hydro runs at 12.5 J/TH — a difference of 6.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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