Option 1
Antminer R4 (8.7TH/s)
Option 2
L21 (550MH/s)
Antminer R4 (8.7TH/s) leads this comparison
Antminer R4 (8.7TH/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 R4 (8.7TH/s) | L21 (550MH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | BW | Contextual |
| Model | R4 | L | Contextual |
| Hashrate | 8.7 TH/s Best | 550 MH/s | Antminer R4 (8.7TH/s) |
| Power Consumption | 845W Best | 950W | Antminer R4 (8.7TH/s) |
| Efficiency | 97.13 J/TH | 1.73 J/MH Best | L21 (550MH/s) |
| Daily energy use | 20.3 kWh Best | 22.8 kWh | Antminer R4 (8.7TH/s) |
| Net Daily Profit (Est.) | -$0.95 Best | -$1.16 | Antminer R4 (8.7TH/s) |
| Monthly Profit (Est.) | -$28.40 Best | -$34.74 | Antminer R4 (8.7TH/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 | 130 x 350 x 155 mm | Contextual |
| Weight | 2500 g Best | 5750 g | Antminer R4 (8.7TH/s) |
Performance
Antminer R4 (8.7TH/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 R4 (8.7TH/s) or L21 (550MH/s)?
Antminer R4 (8.7TH/s) has a higher hashrate of 8.7 TH/s compared to L21 (550MH/s)'s 550 MH/s.
Is Antminer R4 (8.7TH/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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