WhatsMiner M66S++ (356MH/s) vs Antminer S21 Pro (234TH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
WhatsMiner M66S++ (356MH/s)
Option 2
Antminer S21 Pro (234TH/s)
WhatsMiner M66S++ (356MH/s) leads this comparison
WhatsMiner M66S++ (356MH/s) comes out ahead on more buyer-facing signals here. Antminer S21 Pro (234TH/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 M66S++ (356MH/s) | Antminer S21 Pro (234TH/s) | Advantage |
|---|---|---|---|
| Brand | N/A | Antminer | Contextual |
| Model | N/A | S21 | Contextual |
| Hashrate | 356 MH/s | 234 TH/s Best | Antminer S21 Pro (234TH/s) |
| Power Consumption | 0W Best | 3510W | WhatsMiner M66S++ (356MH/s) |
| Efficiency | N/A | 15.00 J/TH | Contextual |
| Daily energy use | 0.0 kWh Best | 84.2 kWh | WhatsMiner M66S++ (356MH/s) |
| Net Daily Profit (Est.) | $13.11 Best | $2.35 | WhatsMiner M66S++ (356MH/s) |
| Monthly Profit (Est.) | $393.38 Best | $70.37 | WhatsMiner M66S++ (356MH/s) |
| Price | N/A | $1,713.44 | Contextual |
| Estimated ROI | N/A | 24 mo | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 267 x 401 x 147 mm | 400 x 290 x 195 mm | Contextual |
| Weight | 18000 g | N/A | Contextual |
Performance
Antminer S21 Pro (234TH/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 M66S++ (356MH/s) or Antminer S21 Pro (234TH/s)?
Antminer S21 Pro (234TH/s) has a higher hashrate of 234 TH/s compared to WhatsMiner M66S++ (356MH/s)'s 356 MH/s.
Is WhatsMiner M66S++ (356MH/s) more efficient than Antminer S21 Pro (234TH/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
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