Apple does not publish how it divides power between ports, so a like-for-like comparison stops there.
We know Apple better: 8.0/10 documentation against 6.5.
Power by situation
bars share one scale · 30 W
One device, best port
20 W
30 W
What a laptop gets when nothing else is plugged in.
Two devices at once
not published
not published
The best published pair, which is rarely an even split.
Three devices at once
not enough ports
not enough ports
Everything plugged in together.
Port layouts differ, so we compare what you would do with the charger, not port pairs. Each row takes the best published combination for that situation.
Field by field
Apple
Ugreen
Total output
20 W
30 W
Ports
1×C
1×C
Volume
smaller is better
not published
not published
Weight
smaller is better
not published
not published
Power density
—
—
PPS
No
Yes
EPR
over 100 W
No
No
Folding plug
No
No
Price per watt
net of VAT
0.34 €/W
no price
Documentation
8.0/10
6.5/10
marks the better value in that row. Ties, missing data and class differences get no mark.