S11 SiaMaster (4.3MH/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
S11 SiaMaster (4.3MH/s)
Option 2
AvalonMiner 821 (11.5TH/s)
S11 SiaMaster (4.3MH/s) leads this comparison
S11 SiaMaster (4.3MH/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 | S11 SiaMaster (4.3MH/s) | AvalonMiner 821 (11.5TH/s) | Advantage |
|---|---|---|---|
| Brand | N/A | AvalonMiner | Contextual |
| Model | N/A | A8 | Contextual |
| Hashrate | 4.3 MH/s | 11.5 TH/s Best | AvalonMiner 821 (11.5TH/s) |
| Power Consumption | 0W Best | 1200W | S11 SiaMaster (4.3MH/s) |
| Efficiency | N/A | 104.35 J/TH | Contextual |
| Daily energy use | 0.0 kWh Best | 28.8 kWh | S11 SiaMaster (4.3MH/s) |
| Net Daily Profit (Est.) | $0.00 Best | -$1.36 | S11 SiaMaster (4.3MH/s) |
| Monthly Profit (Est.) | $0.00 Best | -$40.74 | S11 SiaMaster (4.3MH/s) |
| Price | N/A | N/A | Contextual |
| Estimated ROI | N/A | N/A | Contextual |
| Cooling | AIR | AIR | Contextual |
| Dimensions | 130 x 290 x 155 mm | 150 x 370 x 136 mm | Contextual |
| Weight | 3700 g Best | 4700 g | S11 SiaMaster (4.3MH/s) |
Performance
AvalonMiner 821 (11.5TH/s) has the hashrate edge for raw output potential.
Efficiency
Efficiency data is not available for this comparison.
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: S11 SiaMaster (4.3MH/s) or AvalonMiner 821 (11.5TH/s)?
AvalonMiner 821 (11.5TH/s) has a higher hashrate of 11.5 TH/s compared to S11 SiaMaster (4.3MH/s)'s 4.3 MH/s.
Is S11 SiaMaster (4.3MH/s) more efficient than AvalonMiner 821 (11.5TH/s)?
Efficiency data is not available for this comparison.
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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