ASIC miner comparison

STU-U6 (440GH/s) vs Antminer X3 (220KH/s)

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

STU-U6 (440GH/s)
VS
Antminer X3 (220KH/s)
Higher hashrate
STU
Better efficiency
X3
Estimated net daily
X3
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

Antminer X3 (220KH/s)

Ask availability
Antminer X3 (220KH/s)
Price
N/A
ROI
N/A
Hashrate
220 KH/s
Net daily
-$0.67
Open product page

Antminer X3 (220KH/s) leads this comparison

Antminer X3 (220KH/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
1
metric wins
X3
6
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)Antminer X3 (220KH/s)Advantage
Brand
StrongU
Antminer
Contextual
Model
STU
X3
Contextual
Hashrate
440 GH/s
Best
220 KH/s
STU-U6 (440GH/s)
Power Consumption
2200W
465W
Best
Antminer X3 (220KH/s)
Efficiency
5.00 J/GH
2.11 J/KH
Best
Antminer X3 (220KH/s)
Daily energy use
52.8 kWh
11.2 kWh
Best
Antminer X3 (220KH/s)
Net Daily Profit (Est.)
-$1.63
-$0.67
Best
Antminer X3 (220KH/s)
Monthly Profit (Est.)
-$48.84
-$20.09
Best
Antminer X3 (220KH/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
125 x 334 x 207 mm
Contextual
Weight
7200 g
5500 g
Best
Antminer X3 (220KH/s)

Performance

STU-U6 (440GH/s) has the hashrate edge for raw output potential.

Efficiency

Antminer X3 (220KH/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 Antminer X3 (220KH/s)?

STU-U6 (440GH/s) has a higher hashrate of 440 GH/s compared to Antminer X3 (220KH/s)'s 220 KH/s.

Is STU-U6 (440GH/s) more efficient than Antminer X3 (220KH/s)?

Antminer X3 (220KH/s) is more energy efficient at 2.11 J/KH.

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.