Whatsminer M21S (56TH/s) vs Gamma Duo 650 (1.63TH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
Whatsminer M21S (56TH/s)
Option 2
Gamma Duo 650 (1.63TH/s)
Gamma Duo 650 (1.63TH/s) leads this comparison
Gamma Duo 650 (1.63TH/s) comes out ahead on more buyer-facing signals here. Whatsminer M21S (56TH/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 M21S (56TH/s) | Gamma Duo 650 (1.63TH/s) | Advantage |
|---|---|---|---|
| Brand | MicroBT | Bitaxe | Contextual |
| Model | M21 | Gamma | Contextual |
| Hashrate | 56 TH/s Best | 1.63 TH/s | Whatsminer M21S (56TH/s) |
| Power Consumption | 3360W | 26W Best | Gamma Duo 650 (1.63TH/s) |
| Efficiency | 60.00 J/TH | 15.95 J/TH Best | Gamma Duo 650 (1.63TH/s) |
| Daily energy use | 80.6 kWh | 0.6 kWh Best | Gamma Duo 650 (1.63TH/s) |
| Net Daily Profit (Est.) | -$3.03 | $0.01 Best | Gamma Duo 650 (1.63TH/s) |
| Monthly Profit (Est.) | -$90.85 | $0.38 Best | Gamma Duo 650 (1.63TH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 155 x 390 x 240 mm | 10 x 5 x 12 mm | Contextual |
| Weight | 12500 g | 340 g Best | Gamma Duo 650 (1.63TH/s) |
Performance
Whatsminer M21S (56TH/s) has the hashrate edge for raw output potential.
Efficiency
Gamma Duo 650 (1.63TH/s) is stronger when comparing joules per hash unit.
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 M21S (56TH/s) or Gamma Duo 650 (1.63TH/s)?
Whatsminer M21S (56TH/s) has a higher hashrate of 56 TH/s compared to Gamma Duo 650 (1.63TH/s)'s 1.63 TH/s.
Is Whatsminer M21S (56TH/s) more efficient than Gamma Duo 650 (1.63TH/s)?
Gamma Duo 650 (1.63TH/s) is more energy efficient at 15.95 J/TH.
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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