Option 1
Antminer Z11 (135KH/s)
Option 2
L21 (550MH/s)
L21 (550MH/s) leads this comparison
L21 (550MH/s) comes out ahead on more buyer-facing signals here. Antminer Z11 (135KH/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 Z11 (135KH/s) | L21 (550MH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | BW | Contextual |
| Model | Z11 | L | Contextual |
| Hashrate | 135 KH/s | 550 MH/s Best | L21 (550MH/s) |
| Power Consumption | 1418W | 950W Best | L21 (550MH/s) |
| Efficiency | 10.50 J/KH | 1.73 J/MH Best | L21 (550MH/s) |
| Daily energy use | 34.0 kWh | 22.8 kWh Best | L21 (550MH/s) |
| Net Daily Profit (Est.) | $3.45 Best | -$1.16 | Antminer Z11 (135KH/s) |
| Monthly Profit (Est.) | $103.44 Best | -$34.74 | Antminer Z11 (135KH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 134 x 302 x 242 mm | 130 x 350 x 155 mm | Contextual |
| Weight | 5400 g Best | 5750 g | Antminer Z11 (135KH/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 Z11 (135KH/s) or L21 (550MH/s)?
L21 (550MH/s) has a higher hashrate of 550 MH/s compared to Antminer Z11 (135KH/s)'s 135 KH/s.
Is Antminer Z11 (135KH/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
Curious? Let’s connect to answer your questions.