Antminer S21+ vs Ebang Ebit E9i
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21+ | Specification | Ebang Ebit E9i |
|---|---|---|
| 216.0 TH/s | Hashrate | 13.5 TH/s |
| 3,564 W | Power Consumption | 1,420 W |
| 16.5 J/TH | Efficiency | 105.2 J/TH |
| 75 dB | Noise Level | — |
| 15.0 kg | Weight | 5,500.0 kg |
| 12,160 BTU/hr | BTU Output | 4,845 BTU/hr |
| 30/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Ebang |
Profitability Comparison
Antminer S21+
Ebang Ebit E9i
Based on BTC price of $73,699 and current network difficulty as of Mar 17, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer S21+ wins on 3 of 5 factors (efficiency, hashrate, noise level). The Ebang Ebit E9i holds the edge in power consumption and home mining score. 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
Ebang Ebit E9iScore: 31/100. 0 dB noise level.
Best for Efficiency
Antminer S21+16.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S21+ or Ebang Ebit E9i more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21+ is more profitable at $-1.65/day compared to $-2.98/day for the Ebang Ebit E9i. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S21+ or Ebang Ebit E9i?
The Antminer S21+ is quieter at 75 dB compared to the Ebang Ebit E9i 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 Ebang Ebit E9i?
The Ebang Ebit E9i scores 31/100 on our Home Mining Score (vs 30/100 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 Ebang Ebit E9i?
The Antminer S21+ runs at 16.5 J/TH while the Ebang Ebit E9i runs at 105.2 J/TH — a difference of 88.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.