STU-U6 (440KH/s) vs Antminer S21 Immersion (301MH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
STU-U6 (440KH/s)
Option 2
Antminer S21 Immersion (301MH/s)
Antminer S21 Immersion (301MH/s) leads this comparison
Antminer S21 Immersion (301MH/s) comes out ahead on more buyer-facing signals here. STU-U6 (440KH/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 | STU-U6 (440KH/s) | Antminer S21 Immersion (301MH/s) | Advantage |
|---|---|---|---|
| Brand | N/A | N/A | Contextual |
| Model | N/A | N/A | Contextual |
| Hashrate | 440 KH/s | 301 MH/s Best | Antminer S21 Immersion (301MH/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 | $0.00 | Tie |
| Monthly Profit (Est.) | $0.00 | $0.00 Best | Antminer S21 Immersion (301MH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | IMMERSION | Contextual |
| Dimensions | 135 x 370 x 208 mm | 293 x 364 x 236 mm | Contextual |
| Weight | 7200 g Best | 17150 g | STU-U6 (440KH/s) |
Performance
Antminer S21 Immersion (301MH/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: STU-U6 (440KH/s) or Antminer S21 Immersion (301MH/s)?
Antminer S21 Immersion (301MH/s) has a higher hashrate of 301 MH/s compared to STU-U6 (440KH/s)'s 440 KH/s.
Is STU-U6 (440KH/s) more efficient than Antminer S21 Immersion (301MH/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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