AvalonMiner 821 (11.5TH/s) vs SC1 Dual (1.1TH/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
SC1 Dual (1.1TH/s)
SC1 Dual (1.1TH/s) leads this comparison
SC1 Dual (1.1TH/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) | SC1 Dual (1.1TH/s) | Advantage |
|---|---|---|---|
| Brand | AvalonMiner | Obelisk | Contextual |
| Model | A8 | SC1 | Contextual |
| Hashrate | 11.5 TH/s Best | 1.1 TH/s | AvalonMiner 821 (11.5TH/s) |
| Power Consumption | 1200W | 900W Best | SC1 Dual (1.1TH/s) |
| Efficiency | 104.35 J/TH Best | 818.18 J/TH | AvalonMiner 821 (11.5TH/s) |
| Daily energy use | 28.8 kWh | 21.6 kWh Best | SC1 Dual (1.1TH/s) |
| Net Daily Profit (Est.) | -$1.36 | -$0.96 Best | SC1 Dual (1.1TH/s) |
| Monthly Profit (Est.) | -$40.74 | -$28.68 Best | SC1 Dual (1.1TH/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 | N/A | Contextual |
| Weight | 4700 g | N/A | Contextual |
Performance
AvalonMiner 821 (11.5TH/s) has the hashrate edge for raw output potential.
Efficiency
AvalonMiner 821 (11.5TH/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 SC1 Dual (1.1TH/s)?
AvalonMiner 821 (11.5TH/s) has a higher hashrate of 11.5 TH/s compared to SC1 Dual (1.1TH/s)'s 1.1 TH/s.
Is AvalonMiner 821 (11.5TH/s) more efficient than SC1 Dual (1.1TH/s)?
Yes, AvalonMiner 821 (11.5TH/s) is more energy efficient at 104.35 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
Curious? Let’s connect to answer your questions.