Bitaxe GT vs Bitmain T21 (190TH)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitaxe GT | Specification | Bitmain T21 (190TH) |
|---|---|---|
| 5.0 TH/s | Hashrate | 190.0 TH/s |
| 75 W | Power Consumption | 3,610 W |
| 15.0 J/TH | Efficiency | 19.0 J/TH |
| 42 dB | Noise Level | 76 dB |
| 0.4 kg | Weight | 16.4 kg |
| 256 BTU/hr | BTU Output | 12,317 BTU/hr |
| 64/100 | Home Mining Score | 23/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| D-Central | Manufacturer | Bitmain |
Profitability Comparison
Bitaxe GT
Bitmain T21 (190TH)
Based on BTC price of $77,369 and current network difficulty as of Apr 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitaxe GT wins on 4 of 6 factors (efficiency, power consumption, home mining score, noise level). The Bitmain T21 (190TH) 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
TieBoth miners produce similar daily profit.
Best for Home Mining
Bitaxe GTScore: 64/100. 42 dB noise level.
Best for Efficiency
Bitaxe GT15.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitaxe GT or Bitmain T21 (190TH) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitaxe GT is more profitable at $0.00/day compared to $-1.85/day for the Bitmain T21 (190TH). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitaxe GT or Bitmain T21 (190TH)?
The Bitaxe GT is quieter at 42 dB compared to the Bitmain T21 (190TH) at 76 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitaxe GT or Bitmain T21 (190TH)?
The Bitaxe GT scores 64/100 on our Home Mining Score (vs 23/100 for the Bitmain T21 (190TH)). 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 Bitaxe GT and Bitmain T21 (190TH)?
The Bitaxe GT runs at 15.0 J/TH while the Bitmain T21 (190TH) runs at 19.0 J/TH — a difference of 4.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.