Antminer KS3 vs Bitmain Antminer S21 XP Immersion
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS3 | Specification | Bitmain Antminer S21 XP Immersion |
|---|---|---|
| 9.4 TH/s | Taux de hachage | 300.0 TH/s |
| 3,500 W | Consommation électrique | 4,050 W |
| 372.3 J/TH | Efficiency | 13.5 J/TH |
| 75 dB | Niveau de bruit | 50 dB |
| 16.1 kg | Weight | 14.4 kg |
| 11,942 BTU/hr | BTU Output | 13,819 BTU/hr |
| 36/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| KHeavyHash | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer KS3
Bitmain Antminer S21 XP Immersion
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 Bitmain Antminer S21 XP Immersion l'emporte sur 5 des 6 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore, rapport qualité-prix). Le Antminer KS3 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
Bitmain Antminer S21 XP ImmersionScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S21 XP Immersion13.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer KS3 or Bitmain Antminer S21 XP Immersion more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 XP Immersion is more profitable at $-0.09/day compared to $-8.10/day for the Antminer KS3. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer KS3 or Bitmain Antminer S21 XP Immersion?
The Bitmain Antminer S21 XP Immersion is quieter at 50 dB compared to the Antminer KS3 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer KS3 or Bitmain Antminer S21 XP Immersion?
The Bitmain Antminer S21 XP Immersion scores 44/100 on our Home Mining Score (vs 36/100 for the Antminer KS3). 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 KS3 and Bitmain Antminer S21 XP Immersion?
The Antminer KS3 runs at 372.3 J/TH while the Bitmain Antminer S21 XP Immersion runs at 13.5 J/TH — a difference of 358.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.