Bitmain Antminer R4 vs Bitdeer SealMiner A3 Air
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer R4 | Specification | Bitdeer SealMiner A3 Air |
|---|---|---|
| 8.7 TH/s | Taux de hachage | 260.0 TH/s |
| 845 W | Consommation électrique | 3,640 W |
| 97.1 J/TH | Efficiency | 14.0 J/TH |
| — | Niveau de bruit | 75 dB |
| 2,500.0 kg | Weight | 15.5 kg |
| 2,883 BTU/hr | BTU Output | 12,420 BTU/hr |
| 28/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitdeer |
Profitability Comparison
Bitmain Antminer R4
Bitdeer SealMiner A3 Air
Based on BTC price of $70,862 and current network difficulty as of Mar 25, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitdeer SealMiner A3 Air l'emporte sur 4 des 5 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Le Bitmain Antminer R4 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
Bitdeer SealMiner A3 AirScore: 30/100. 75 dB noise level.
Best for Efficiency
Bitdeer SealMiner A3 Air14.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer R4 or Bitdeer SealMiner A3 Air more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Air is more profitable at $-0.75/day compared to $-1.76/day for the Bitmain Antminer R4. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer R4 or Bitdeer SealMiner A3 Air?
The Bitdeer SealMiner A3 Air is quieter at 75 dB compared to the Bitmain Antminer R4 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer R4 or Bitdeer SealMiner A3 Air?
The Bitdeer SealMiner A3 Air scores 30/100 on our Home Mining Score (vs 28/100 for the Bitmain Antminer R4). 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 Bitmain Antminer R4 and Bitdeer SealMiner A3 Air?
The Bitmain Antminer R4 runs at 97.1 J/TH while the Bitdeer SealMiner A3 Air runs at 14.0 J/TH — a difference of 83.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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