ASIC miner comparison

STU-U6 (440GH/s) vs KD2 (6TH/s)

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

STU-U6 (440GH/s)
VS
KD2 (6TH/s)
Higher hashrate
KD2
Better efficiency
STU
Estimated net daily
KD2
Hosted power rate
$0.060/kWh

Option 1

STU-U6 (440GH/s)

Ask availability
STU-U6 (440GH/s)
Price
N/A
ROI
N/A
Hashrate
440 GH/s
Net daily
-$1.63
Open product page

Option 2

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

KD2 (6TH/s) leads this comparison

KD2 (6TH/s) comes out ahead on more buyer-facing signals here. STU-U6 (440GH/s) can still be the better fit when budget, availability, or a specific mining setup matters more.

STU
2
metric wins
KD2
5
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.

FeatureSTU-U6 (440GH/s)KD2 (6TH/s)Advantage
Brand
StrongU
Goldshell
Contextual
Model
STU
KD2
Contextual
Hashrate
440 GH/s
6 TH/s
Best
KD2 (6TH/s)
Power Consumption
2200W
830W
Best
KD2 (6TH/s)
Efficiency
5.00 J/GH
Best
138.33 J/TH
STU-U6 (440GH/s)
Daily energy use
52.8 kWh
19.9 kWh
Best
KD2 (6TH/s)
Net Daily Profit (Est.)
-$1.63
-$1.09
Best
KD2 (6TH/s)
Monthly Profit (Est.)
-$48.84
-$32.56
Best
KD2 (6TH/s)
Price
N/A
N/A
Contextual
Estimated ROI
N/A
N/A
Contextual
Cooling
AIR
AIR
Contextual
Dimensions
135 x 370 x 208 mm
200 x 290 x 264 mm
Contextual
Weight
7200 g
Best
7300 g
STU-U6 (440GH/s)

Performance

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

Efficiency

STU-U6 (440GH/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: STU-U6 (440GH/s) or KD2 (6TH/s)?

KD2 (6TH/s) has a higher hashrate of 6 TH/s compared to STU-U6 (440GH/s)'s 440 GH/s.

Is STU-U6 (440GH/s) more efficient than KD2 (6TH/s)?

Yes, STU-U6 (440GH/s) is more energy efficient at 5.00 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

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