Bitaxe Hex vs MicroBT Whatsminer M66
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitaxe Hex | Specification | MicroBT Whatsminer M66 |
|---|---|---|
| 3.0 TH/s | Taux de hachage | 238.0 TH/s |
| 90 W | Consommation électrique | 4,736 W |
| 30.0 J/TH | Efficiency | 19.9 J/TH |
| 45 dB | Niveau de bruit | — |
| 0.5 kg | Weight | 16.0 kg |
| 307 BTU/hr | BTU Output | 16,159 BTU/hr |
| 64/100 | Home Mining Score | 16/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| D-Central | Manufacturer | MicroBT |
Profitability Comparison
Bitaxe Hex
MicroBT Whatsminer M66
Based on BTC price of $64,000 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Weighing six performance factors, the MicroBT Whatsminer M66 comes out ahead — it takes 3 of 6 (efficacité, hashrate, rapport qualité-prix). The standout gap is 7833% more hashrate (3.0 vs 238.0 TH/s) in the MicroBT Whatsminer M66's favour. The Bitaxe Hex claws back ground on consommation électrique and score de minage domestique and niveau sonore. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Bitaxe Hex and MicroBT Whatsminer M66 actually differ, with the gap quantified:
- MicroBT Whatsminer M66 7833% more hashrate (3.0 vs 238.0 TH/s)
- Bitaxe Hex 98% better power draw (90.0 vs 4,736.0 W)
- MicroBT Whatsminer M66 34% better efficacité (30.0 vs 19.9 J/TH)
- Bitaxe Hex 97% better weight (0.5 vs 16.0 kg)
- MicroBT Whatsminer M66 5162% more heat output (307 vs 16,159 BTU/hr)
- Bitaxe Hex 300% more score de minage domestique (64.0 vs 16.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitaxe Hex | Metric | MicroBT Whatsminer M66 |
|---|---|---|
| $399 | Upfront cost (MSRP) | $3,672 |
| -$0.13 | Daily net profit | -$4.48 |
| -$446 | Net after 1 year | -$5,306 |
| -$493 | Net after 2 years | -$6,939 |
| -$540 | Net after 3 years | -$8,573 |
| Does not pay back at current rates (negative daily profit) | Payback period | Does not pay back at current rates (negative daily profit) |
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Bitaxe HexScore: 64/100. 45 dB noise level.
Best for Efficiency
MicroBT Whatsminer M6619.9 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitaxe Hex or MicroBT Whatsminer M66 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitaxe Hex is more profitable at $-0.13/day compared to $-4.48/day for the MicroBT Whatsminer M66. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitaxe Hex or MicroBT Whatsminer M66?
The Bitaxe Hex is quieter at 45 dB compared to the MicroBT Whatsminer M66 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitaxe Hex or MicroBT Whatsminer M66?
The Bitaxe Hex scores 64/100 on our Home Mining Score (vs 16/100 for the MicroBT Whatsminer M66). 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 Hex and MicroBT Whatsminer M66?
The Bitaxe Hex runs at 30.0 J/TH while the MicroBT Whatsminer M66 runs at 19.9 J/TH — a difference of 10.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 34% better efficacité (30.0 vs 19.9 J/TH).