Bitmain Antminer S21+ Hyd vs Bitaxe GT
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21+ Hyd | Specification | Bitaxe GT |
|---|---|---|
| 319.0 TH/s | Hashrate | 5.0 TH/s |
| 4,785 W | Power Consumption | 75 W |
| 15.0 J/TH | Efficiency | 15.0 J/TH |
| 50 dB | Noise Level | 42 dB |
| 17.5 kg | Weight | 0.4 kg |
| 16,326 BTU/hr | BTU Output | 256 BTU/hr |
| 44/100 | Home Mining Score | 64/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S21+ Hyd
Bitaxe GT
Based on BTC price of $77,778 and current network difficulty as of Apr 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitaxe GT wins on 3 of 5 factors (power consumption, home mining score, noise level). The Bitmain Antminer S21+ Hyd holds the edge in hashrate and price-performance. 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+ Hyd$0.02/day higher profit at current rates.
Best for Home Mining
Bitaxe GTScore: 64/100. 42 dB noise level.
Best for Efficiency
TieBoth miners have comparable efficiency.
Frequently Asked Questions
Is the Bitmain Antminer S21+ Hyd or Bitaxe GT more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21+ Hyd is more profitable at $0.02/day compared to $0.00/day for the Bitaxe GT. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S21+ Hyd or Bitaxe GT?
The Bitaxe GT is quieter at 42 dB compared to the Bitmain Antminer S21+ Hyd at 50 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S21+ Hyd or Bitaxe GT?
The Bitaxe GT scores 64/100 on our Home Mining Score (vs 44/100 for the Bitmain Antminer S21+ Hyd). 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 Bitmain Antminer S21+ Hyd and Bitaxe GT?
The Bitmain Antminer S21+ Hyd runs at 15.0 J/TH while the Bitaxe GT runs at 15.0 J/TH — a difference of 0.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.