Antminer E9 Pro vs Bitmain Antminer S21 Hyd (335Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer E9 Pro | Specification | Bitmain Antminer S21 Hyd (335Th) |
|---|---|---|
| 3,680.0 MH/s | Hashrate | 335.0 TH/s |
| 2,200 W | Power Consumption | 5,360 W |
| 597,826.1 J/TH | Efficiency | 16.0 J/TH |
| 75 dB | Noise Level | — |
| 14.2 kg | Weight | 14.2 kg |
| 7,506 BTU/hr | BTU Output | 18,288 BTU/hr |
| 40/100 | Home Mining Score | 16/100 |
| — | Release Year | — |
| EtHash | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer E9 Pro
Bitmain Antminer S21 Hyd (335Th)
Based on BTC price of $70,840 and current network difficulty as of Mar 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S21 Hyd (335Th) wins on 3 of 6 factors (efficiency, hashrate, price-performance). The Antminer E9 Pro holds the edge in power consumption and home mining score and noise level. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Antminer E9 ProScore: 40/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer S21 Hyd (335Th)16.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer E9 Pro or Bitmain Antminer S21 Hyd (335Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 Hyd (335Th) is more profitable at $-2.58/day compared to $-5.28/day for the Antminer E9 Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer E9 Pro or Bitmain Antminer S21 Hyd (335Th)?
The Antminer E9 Pro is quieter at 75 dB compared to the Bitmain Antminer S21 Hyd (335Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer E9 Pro or Bitmain Antminer S21 Hyd (335Th)?
The Antminer E9 Pro scores 40/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S21 Hyd (335Th)). 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 E9 Pro and Bitmain Antminer S21 Hyd (335Th)?
The Antminer E9 Pro runs at 597,826.1 J/TH while the Bitmain Antminer S21 Hyd (335Th) runs at 16.0 J/TH — a difference of 597,810.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.