Antminer Z9 Mini (10KH/s) vs AvalonMiner 821 (11.5TH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
Antminer Z9 Mini (10KH/s)
Option 2
AvalonMiner 821 (11.5TH/s)
Antminer Z9 Mini (10KH/s) leads this comparison
Antminer Z9 Mini (10KH/s) comes out ahead on more buyer-facing signals here. AvalonMiner 821 (11.5TH/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 Z9 Mini (10KH/s) | AvalonMiner 821 (11.5TH/s) | Advantage |
|---|---|---|---|
| Brand | Antminer | AvalonMiner | Contextual |
| Model | Z9 | A8 | Contextual |
| Hashrate | 10 KH/s | 11.5 TH/s Best | AvalonMiner 821 (11.5TH/s) |
| Power Consumption | 300W Best | 1200W | Antminer Z9 Mini (10KH/s) |
| Efficiency | 30.00 J/KH Best | 104.35 J/TH | Antminer Z9 Mini (10KH/s) |
| Daily energy use | 7.2 kWh Best | 28.8 kWh | Antminer Z9 Mini (10KH/s) |
| Net Daily Profit (Est.) | -$0.05 Best | -$1.36 | Antminer Z9 Mini (10KH/s) |
| Monthly Profit (Est.) | -$1.56 Best | -$40.74 | Antminer Z9 Mini (10KH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | N/A | 150 x 370 x 136 mm | Contextual |
| Weight | N/A | 4700 g | Contextual |
Performance
AvalonMiner 821 (11.5TH/s) has the hashrate edge for raw output potential.
Efficiency
Antminer Z9 Mini (10KH/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 Z9 Mini (10KH/s) or AvalonMiner 821 (11.5TH/s)?
AvalonMiner 821 (11.5TH/s) has a higher hashrate of 11.5 TH/s compared to Antminer Z9 Mini (10KH/s)'s 10 KH/s.
Is Antminer Z9 Mini (10KH/s) more efficient than AvalonMiner 821 (11.5TH/s)?
Yes, Antminer Z9 Mini (10KH/s) is more energy efficient at 30.00 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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