AvalonMiner 821 (11.5TH/s) vs Antminer R4 (8.7TH/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 R4 (8.7TH/s)
Antminer R4 (8.7TH/s) leads this comparison
Antminer R4 (8.7TH/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 R4 (8.7TH/s) | Advantage |
|---|---|---|---|
| Brand | AvalonMiner | Antminer | Contextual |
| Model | A8 | R4 | Contextual |
| Hashrate | 11.5 TH/s Best | 8.7 TH/s | AvalonMiner 821 (11.5TH/s) |
| Power Consumption | 1200W | 845W Best | Antminer R4 (8.7TH/s) |
| Efficiency | 104.35 J/TH | 97.13 J/TH Best | Antminer R4 (8.7TH/s) |
| Daily energy use | 28.8 kWh | 20.3 kWh Best | Antminer R4 (8.7TH/s) |
| Net Daily Profit (Est.) | -$1.36 | -$0.95 Best | Antminer R4 (8.7TH/s) |
| Monthly Profit (Est.) | -$40.74 | -$28.40 Best | Antminer R4 (8.7TH/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 | 100 x 515 x 222 mm | Contextual |
| Weight | 4700 g | 2500 g Best | Antminer R4 (8.7TH/s) |
Performance
AvalonMiner 821 (11.5TH/s) has the hashrate edge for raw output potential.
Efficiency
Antminer R4 (8.7TH/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 R4 (8.7TH/s)?
AvalonMiner 821 (11.5TH/s) has a higher hashrate of 11.5 TH/s compared to Antminer R4 (8.7TH/s)'s 8.7 TH/s.
Is AvalonMiner 821 (11.5TH/s) more efficient than Antminer R4 (8.7TH/s)?
Antminer R4 (8.7TH/s) is more energy efficient at 97.13 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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