Antminer S21 vs Bitmain Bitcoin Miner S19j XP
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 | Specification | Bitmain Bitcoin Miner S19j XP |
|---|---|---|
| 200.0 TH/s | Taux de hachage | 151.0 TH/s |
| 3,500 W | Consommation électrique | 3,247 W |
| 17.5 J/TH | Efficiency | 21.5 J/TH |
| 75 dB | Niveau de bruit | — |
| 14.6 kg | Weight | — |
| 11,942 BTU/hr | BTU Output | 11,079 BTU/hr |
| 36/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer S21
Bitmain Bitcoin Miner S19j XP
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 S21 l'emporte sur 4 des 6 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Le Bitmain Bitcoin Miner S19j XP a l'avantage en consommation électrique and rapport qualité-prix. 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 S21Score: 36/100. 75 dB noise level.
Best for Efficiency
Antminer S2117.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S21 or Bitmain Bitcoin Miner S19j XP more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 is more profitable at $-0.74/day compared to $-2.01/day for the Bitmain Bitcoin Miner S19j XP. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S21 or Bitmain Bitcoin Miner S19j XP?
The Antminer S21 is quieter at 75 dB compared to the Bitmain Bitcoin Miner S19j XP at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer S21 or Bitmain Bitcoin Miner S19j XP?
The Antminer S21 scores 36/100 on our Home Mining Score (vs 22/100 for the Bitmain Bitcoin Miner S19j XP). 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 S21 and Bitmain Bitcoin Miner S19j XP?
The Antminer S21 runs at 17.5 J/TH while the Bitmain Bitcoin Miner S19j XP runs at 21.5 J/TH — a difference of 4.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.