WhatsMiner M66 (280MH/s) vs Avalon Mini 3 (37.5MH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
WhatsMiner M66 (280MH/s)
Option 2
Avalon Mini 3 (37.5MH/s)
Avalon Mini 3 (37.5MH/s) leads this comparison
Avalon Mini 3 (37.5MH/s) comes out ahead on more buyer-facing signals here. WhatsMiner M66 (280MH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.
Profit estimates use currently available product data and a hosted electricity rate of $0.060/kWh.
Technical comparison
Side-by-side mining, operating, and commercial specs.
| Feature | WhatsMiner M66 (280MH/s) | Avalon Mini 3 (37.5MH/s) | Advantage |
|---|---|---|---|
| Brand | N/A | N/A | Contextual |
| Model | N/A | N/A | Contextual |
| Hashrate | 280 MH/s Best | 37.5 MH/s | WhatsMiner M66 (280MH/s) |
| Power Consumption | 0W | 0W | Tie |
| Efficiency | N/A | N/A | Contextual |
| Daily energy use | 0.0 kWh | 0.0 kWh | Tie |
| Net Daily Profit (Est.) | $0.00 | $1.34 Best | Avalon Mini 3 (37.5MH/s) |
| Monthly Profit (Est.) | $0.00 | $40.20 Best | Avalon Mini 3 (37.5MH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 267 x 401 x 147 mm | 760 x 214 x 104 mm | Contextual |
| Weight | 16000 g | 8350 g Best | Avalon Mini 3 (37.5MH/s) |
Performance
WhatsMiner M66 (280MH/s) has the hashrate edge for raw output potential.
Efficiency
Efficiency data is not available for this comparison.
Buying decision
Check live stock, delivery schedule, and hosting capacity on the product page before placing an order.
Frequently asked questions
Which is more powerful: WhatsMiner M66 (280MH/s) or Avalon Mini 3 (37.5MH/s)?
WhatsMiner M66 (280MH/s) has a higher hashrate of 280 MH/s compared to Avalon Mini 3 (37.5MH/s)'s 37.5 MH/s.
Is WhatsMiner M66 (280MH/s) more efficient than Avalon Mini 3 (37.5MH/s)?
Efficiency data is not available for this comparison.
Which miner has the better estimated ROI?
Estimated ROI is not available because one of the miners is missing current pricing or profit data.
Every Day You Wait is Revenue You Lose
Curious? Let’s connect to answer your questions.