Option 1
Antminer X3 (220KH/s)
Option 2
L21 (550MH/s)
Antminer X3 (220KH/s) leads this comparison
Antminer X3 (220KH/s) comes out ahead on more buyer-facing signals here. L21 (550MH/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) | L21 (550MH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | BW | Contextual |
| Model | X3 | L | Contextual |
| Hashrate | 220 KH/s | 550 MH/s Best | L21 (550MH/s) |
| Power Consumption | 465W Best | 950W | Antminer X3 (220KH/s) |
| Efficiency | 2.11 J/KH | 1.73 J/MH Best | L21 (550MH/s) |
| Daily energy use | 11.2 kWh Best | 22.8 kWh | Antminer X3 (220KH/s) |
| Net Daily Profit (Est.) | -$0.67 Best | -$1.16 | Antminer X3 (220KH/s) |
| Monthly Profit (Est.) | -$20.09 Best | -$34.74 | Antminer X3 (220KH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 125 x 334 x 207 mm | 130 x 350 x 155 mm | Contextual |
| Weight | 5500 g Best | 5750 g | Antminer X3 (220KH/s) |
Performance
L21 (550MH/s) has the hashrate edge for raw output potential.
Efficiency
L21 (550MH/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 L21 (550MH/s)?
L21 (550MH/s) has a higher hashrate of 550 MH/s compared to Antminer X3 (220KH/s)'s 220 KH/s.
Is Antminer X3 (220KH/s) more efficient than L21 (550MH/s)?
L21 (550MH/s) is more energy efficient at 1.73 J/MH.
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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