Antminer X3 (220KH/s) vs SealMiner A2 Pro Air (255TH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
Antminer X3 (220KH/s)
Option 2
SealMiner A2 Pro Air (255TH/s)
Antminer X3 (220KH/s) leads this comparison
Antminer X3 (220KH/s) comes out ahead on more buyer-facing signals here. SealMiner A2 Pro Air (255TH/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 X3 (220KH/s) | SealMiner A2 Pro Air (255TH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | SealMiner | Contextual |
| Model | X3 | A2 | Contextual |
| Hashrate | 220 KH/s | 255 TH/s Best | SealMiner A2 Pro Air (255TH/s) |
| Power Consumption | 465W Best | 3790W | Antminer X3 (220KH/s) |
| Efficiency | 2.11 J/KH Best | 14.86 J/TH | Antminer X3 (220KH/s) |
| Daily energy use | 11.2 kWh Best | 91.0 kWh | Antminer X3 (220KH/s) |
| Net Daily Profit (Est.) | -$0.67 | $2.54 Best | SealMiner A2 Pro Air (255TH/s) |
| Monthly Profit (Est.) | -$20.09 | $76.27 Best | SealMiner A2 Pro Air (255TH/s) |
| Price | N/A | $3,008.29 | Contextual |
| Estimated ROI | N/A | 39 mo | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 125 x 334 x 207 mm | N/A | Contextual |
| Weight | 5500 g Best | 17000 g | Antminer X3 (220KH/s) |
Performance
SealMiner A2 Pro Air (255TH/s) has the hashrate edge for raw output potential.
Efficiency
Antminer X3 (220KH/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: Antminer X3 (220KH/s) or SealMiner A2 Pro Air (255TH/s)?
SealMiner A2 Pro Air (255TH/s) has a higher hashrate of 255 TH/s compared to Antminer X3 (220KH/s)'s 220 KH/s.
Is Antminer X3 (220KH/s) more efficient than SealMiner A2 Pro Air (255TH/s)?
Yes, Antminer X3 (220KH/s) is more energy efficient at 2.11 J/KH.
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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