ASIC miner comparison

Antminer D3 (15GH/s) vs AvalonMiner 821 (11.5TH/s)

Compare pricing, hashrate, power draw, efficiency, ROI, and estimated hosted profitability before choosing your next mining setup.

Antminer D3 (15GH/s)
VS
AvalonMiner 821 (11.5TH/s)
Higher hashrate
A8
Better efficiency
D3
Estimated net daily
A8
Hosted power rate
$0.060/kWh

Option 1

Antminer D3 (15GH/s)

Ask availability
Antminer D3 (15GH/s)
Price
N/A
ROI
N/A
Hashrate
15 GH/s
Net daily
-$1.68
Open product page

Option 2

AvalonMiner 821 (11.5TH/s)

Ask availability
AvalonMiner 821 (11.5TH/s)
Price
N/A
ROI
N/A
Hashrate
11.5 TH/s
Net daily
-$1.36
Open product page

AvalonMiner 821 (11.5TH/s) leads this comparison

AvalonMiner 821 (11.5TH/s) comes out ahead on more buyer-facing signals here. Antminer D3 (15GH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

D3
1
metric wins
A8
4
metric wins

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.

FeatureAntminer D3 (15GH/s)AvalonMiner 821 (11.5TH/s)Advantage
Brand
Antminer
AvalonMiner
Contextual
Model
D3
A8
Contextual
Hashrate
15 GH/s
11.5 TH/s
Best
AvalonMiner 821 (11.5TH/s)
Power Consumption
1200W
1200W
Tie
Efficiency
80.00 J/GH
Best
104.35 J/TH
Antminer D3 (15GH/s)
Daily energy use
28.8 kWh
28.8 kWh
Tie
Net Daily Profit (Est.)
-$1.68
-$1.36
Best
AvalonMiner 821 (11.5TH/s)
Monthly Profit (Est.)
-$50.34
-$40.74
Best
AvalonMiner 821 (11.5TH/s)
Price
N/A
N/A
Contextual
Estimated ROI
N/A
N/A
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
130 x 320 x 190 mm
150 x 370 x 136 mm
Contextual
Weight
5500 g
4700 g
Best
AvalonMiner 821 (11.5TH/s)

Performance

AvalonMiner 821 (11.5TH/s) has the hashrate edge for raw output potential.

Efficiency

Antminer D3 (15GH/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 D3 (15GH/s) or AvalonMiner 821 (11.5TH/s)?

AvalonMiner 821 (11.5TH/s) has a higher hashrate of 11.5 TH/s compared to Antminer D3 (15GH/s)'s 15 GH/s.

Is Antminer D3 (15GH/s) more efficient than AvalonMiner 821 (11.5TH/s)?

Yes, Antminer D3 (15GH/s) is more energy efficient at 80.00 J/GH.

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.