Antminer S21+ vs Nerdminer
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21+ | Specification | Nerdminer |
|---|---|---|
| 216.0 TH/s | Hashrate | 50.0 KH/s |
| 3,564 W | Power Consumption | 1 W |
| 16.5 J/TH | Efficiency | 20,000,000.0 J/TH |
| 75 dB | Noise Level | — |
| 15.0 kg | Weight | 0.1 kg |
| 12,160 BTU/hr | BTU Output | 3 BTU/hr |
| 30/100 | Home Mining Score | 35/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Antminer S21+
Nerdminer
Based on BTC price of $66,500 and current network difficulty as of Mar 29, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer S21+ wins on 4 of 6 factors (efficiency, hashrate, noise level, price-performance). The Nerdminer 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
NerdminerScore: 35/100. 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 Nerdminer more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Nerdminer is more profitable at $0.00/day compared to $-1.80/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 Nerdminer?
The Antminer S21+ is quieter at 75 dB compared to the Nerdminer 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 Nerdminer?
The Nerdminer scores 35/100 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 Nerdminer?
The Antminer S21+ runs at 16.5 J/TH while the Nerdminer runs at 20,000,000.0 J/TH — a difference of 19,999,983.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.