Antminer S21 vs Bitmain Antminer S21 XP Hyd
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 | Specification | Bitmain Antminer S21 XP Hyd |
|---|---|---|
| 200.0 TH/s | Hashrate | 473.0 TH/s |
| 3,500 W | Power Consumption | 5,676 W |
| 17.5 J/TH | Efficiency | 12.0 J/TH |
| 75 dB | Noise Level | 50 dB |
| 14.6 kg | Weight | 12.3 kg |
| 11,942 BTU/hr | BTU Output | 19,367 BTU/hr |
| 36/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer S21
Bitmain Antminer S21 XP Hyd
Based on BTC price of $78,055 and current network difficulty as of Apr 26, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S21 XP Hyd wins on 5 of 6 factors (efficiency, hashrate, home mining score, noise level, price-performance). The Antminer S21 holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
Bitmain Antminer S21 XP Hyd$4.66/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S21 XP HydScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S21 XP Hyd12.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S21 or Bitmain Antminer S21 XP Hyd more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 XP Hyd is more profitable at $3.49/day compared to $-1.16/day for the Antminer S21. 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 Antminer S21 XP Hyd?
The Bitmain Antminer S21 XP Hyd is quieter at 50 dB compared to the Antminer S21 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer S21 or Bitmain Antminer S21 XP Hyd?
The Bitmain Antminer S21 XP Hyd scores 44/100 on our Home Mining Score (vs 36/100 for the Antminer S21). 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 Antminer S21 XP Hyd?
The Antminer S21 runs at 17.5 J/TH while the Bitmain Antminer S21 XP Hyd runs at 12.0 J/TH — a difference of 5.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.