AvalonMiner 821 (11.5TH/s) vs Antminer S19j Pro (100TH/s)
Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.
Option 1
AvalonMiner 821 (11.5TH/s)
Option 2
Antminer S19j Pro (100TH/s)
Antminer S19j Pro (100TH/s) leads this comparison
Antminer S19j Pro (100TH/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 | AvalonMiner 821 (11.5TH/s) | Antminer S19j Pro (100TH/s) | Advantage |
|---|---|---|---|
| Brand | AvalonMiner | Antminer | Contextual |
| Model | A8 | S19 | Contextual |
| Hashrate | 11.5 TH/s | 100 TH/s Best | Antminer S19j Pro (100TH/s) |
| Power Consumption | 1200W Best | 3050W | AvalonMiner 821 (11.5TH/s) |
| Efficiency | 104.35 J/TH | 30.50 J/TH Best | Antminer S19j Pro (100TH/s) |
| Daily energy use | 28.8 kWh Best | 73.2 kWh | AvalonMiner 821 (11.5TH/s) |
| Net Daily Profit (Est.) | -$1.36 | -$1.18 Best | Antminer S19j Pro (100TH/s) |
| Monthly Profit (Est.) | -$40.74 | -$35.46 Best | Antminer S19j Pro (100TH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 150 x 370 x 136 mm | 195 x 370 x 290 mm | Contextual |
| Weight | 4700 g Best | 13200 g | AvalonMiner 821 (11.5TH/s) |
Performance
Antminer S19j Pro (100TH/s) has the hashrate edge for raw output potential.
Efficiency
Antminer S19j Pro (100TH/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: AvalonMiner 821 (11.5TH/s) or Antminer S19j Pro (100TH/s)?
Antminer S19j Pro (100TH/s) has a higher hashrate of 100 TH/s compared to AvalonMiner 821 (11.5TH/s)'s 11.5 TH/s.
Is AvalonMiner 821 (11.5TH/s) more efficient than Antminer S19j Pro (100TH/s)?
Antminer S19j Pro (100TH/s) is more energy efficient at 30.50 J/TH.
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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