Bitaxe Supra vs Whatsminer M66S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitaxe Supra | Specification | Whatsminer M66S |
|---|---|---|
| 600.0 GH/s | Hashrate | 298.0 TH/s |
| 15 W | Power Consumption | 5,518 W |
| 25.0 J/TH | Efficiency | 18.5 J/TH |
| 35 dB | Noise Level | 50 dB |
| 0.3 kg | Weight | 13.5 kg |
| 51 BTU/hr | BTU Output | 18,827 BTU/hr |
| 70/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| D-Central | Manufacturer | MicroBT |
Profitability Comparison
Bitaxe Supra
Whatsminer M66S
Based on BTC price of $69,520 and current network difficulty as of Mar 26, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Whatsminer M66S wins on 3 of 6 factors (efficiency, hashrate, price-performance). The Bitaxe Supra 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
Bitaxe SupraScore: 70/100. 35 dB noise level.
Best for Efficiency
Whatsminer M66S18.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitaxe Supra or Whatsminer M66S more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitaxe Supra is more profitable at $-0.02/day compared to $-4.26/day for the Whatsminer M66S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitaxe Supra or Whatsminer M66S?
The Bitaxe Supra is quieter at 35 dB compared to the Whatsminer M66S at 50 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitaxe Supra or Whatsminer M66S?
The Bitaxe Supra scores 70/100 on our Home Mining Score (vs 44/100 for the Whatsminer M66S). 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 Supra and Whatsminer M66S?
The Bitaxe Supra runs at 25.0 J/TH while the Whatsminer M66S runs at 18.5 J/TH — a difference of 6.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.