Antminer R4 (8.7MH/s) vs Whatsminer M21S (56TH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
Antminer R4 (8.7MH/s)
Option 2
Whatsminer M21S (56TH/s)
Antminer R4 (8.7MH/s) leads this comparison
Antminer R4 (8.7MH/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 | Antminer R4 (8.7MH/s) | Whatsminer M21S (56TH/s) | Advantage |
|---|---|---|---|
| Brand | N/A | MicroBT | Contextual |
| Model | N/A | M21 | Contextual |
| Hashrate | 8.7 MH/s | 56 TH/s Best | Whatsminer M21S (56TH/s) |
| Power Consumption | 0W Best | 3360W | Antminer R4 (8.7MH/s) |
| Efficiency | N/A | 60.00 J/TH | Contextual |
| Daily energy use | 0.0 kWh Best | 80.6 kWh | Antminer R4 (8.7MH/s) |
| Net Daily Profit (Est.) | $0.31 Best | -$3.03 | Antminer R4 (8.7MH/s) |
| Monthly Profit (Est.) | $9.32 Best | -$90.85 | Antminer R4 (8.7MH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 100 x 515 x 222 mm | 155 x 390 x 240 mm | Contextual |
| Weight | 2500 g Best | 12500 g | Antminer R4 (8.7MH/s) |
Performance
Whatsminer M21S (56TH/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: Antminer R4 (8.7MH/s) or Whatsminer M21S (56TH/s)?
Whatsminer M21S (56TH/s) has a higher hashrate of 56 TH/s compared to Antminer R4 (8.7MH/s)'s 8.7 MH/s.
Is Antminer R4 (8.7MH/s) more efficient than Whatsminer M21S (56TH/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.