ASIC miner comparison

KD2 (6TH/s) vs A40 (3.3TH/s)

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

KD2 (6TH/s)
VS
A40 (3.3TH/s)
Higher hashrate
KD2
Better efficiency
KD2
Estimated net daily
KD2
Hosted power rate
$0.060/kWh

Option 1

KD2 (6TH/s)

Ask availability
KD2 (6TH/s)
Price
N/A
ROI
N/A
Hashrate
6 TH/s
Net daily
-$1.09
Open product page

Option 2

A40 (3.3TH/s)

Ask availability
A40 (3.3TH/s)
Price
N/A
ROI
N/A
Hashrate
3.3 TH/s
Net daily
-$1.73
Open product page

KD2 (6TH/s) leads this comparison

KD2 (6TH/s) comes out ahead on more buyer-facing signals here. A40 (3.3TH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

KD2
7
metric wins
A40
0
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.

FeatureKD2 (6TH/s)A40 (3.3TH/s)Advantage
Brand
Goldshell
Miner
Contextual
Model
KD2
A40
Contextual
Hashrate
6 TH/s
Best
3.3 TH/s
KD2 (6TH/s)
Power Consumption
830W
Best
1600W
KD2 (6TH/s)
Efficiency
138.33 J/TH
Best
484.85 J/TH
KD2 (6TH/s)
Daily energy use
19.9 kWh
Best
38.4 kWh
KD2 (6TH/s)
Net Daily Profit (Est.)
-$1.09
Best
-$1.73
KD2 (6TH/s)
Monthly Profit (Est.)
-$32.56
Best
-$52.02
KD2 (6TH/s)
Price
N/A
N/A
Contextual
Estimated ROI
N/A
N/A
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
200 x 290 x 264 mm
360 x 290 x 185 mm
Contextual
Weight
7300 g
Best
14500 g
KD2 (6TH/s)

Performance

KD2 (6TH/s) has the hashrate edge for raw output potential.

Efficiency

KD2 (6TH/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: KD2 (6TH/s) or A40 (3.3TH/s)?

KD2 (6TH/s) has a higher hashrate of 6 TH/s compared to A40 (3.3TH/s)'s 3.3 TH/s.

Is KD2 (6TH/s) more efficient than A40 (3.3TH/s)?

Yes, KD2 (6TH/s) is more energy efficient at 138.33 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.