Antminer D9 vs Bitmain Antminer S21 XP+ Hyd (500Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D9 | Specification | Bitmain Antminer S21 XP+ Hyd (500Th) |
|---|---|---|
| 1,770.0 GH/s | Hashrate | 500.0 TH/s |
| 2,839 W | Power Consumption | 5,500 W |
| 1,604.0 J/TH | Efficiency | 11.0 J/TH |
| 75 dB | Noise Level | 50 dB |
| 16.1 kg | Weight | 13.8 kg |
| 9,687 BTU/hr | BTU Output | 18,766 BTU/hr |
| 36/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| X11 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D9
Bitmain Antminer S21 XP+ Hyd (500Th)
Based on BTC price of $74,349 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on specs, the Bitmain Antminer S21 XP+ Hyd (500Th) offers 99% better efficiency at 11.0 J/TH compared to the Antminer D9 at 1,604.0 J/TH. This directly impacts daily operating costs and long-term profitability.
Best For...
Best for Profitability
Bitmain Antminer S21 XP+ Hyd (500Th)$9.67/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S21 XP+ Hyd (500Th)Score: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S21 XP+ Hyd (500Th)11.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer D9 or Bitmain Antminer S21 XP+ Hyd (500Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 XP+ Hyd (500Th) is more profitable at $2.91/day compared to $-6.76/day for the Antminer D9. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer D9 or Bitmain Antminer S21 XP+ Hyd (500Th)?
The Bitmain Antminer S21 XP+ Hyd (500Th) is quieter at 50 dB compared to the Antminer D9 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer D9 or Bitmain Antminer S21 XP+ Hyd (500Th)?
The Bitmain Antminer S21 XP+ Hyd (500Th) scores 44/100 on our Home Mining Score (vs 36/100 for the Antminer D9). 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 D9 and Bitmain Antminer S21 XP+ Hyd (500Th)?
The Antminer D9 runs at 1,604.0 J/TH while the Bitmain Antminer S21 XP+ Hyd (500Th) runs at 11.0 J/TH — a difference of 1,593.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.