wattaire
Samsung
25W
C
25W Power Adapter (Super Fast Charging)
Samsung · EP-T2510
vs
Ugreen
30W
C
Nexode Air 30W USB-C Charger (GaNInfinity)
Ugreen · 35041
The short version
Samsung does not publish how it divides power between ports, so a like-for-like comparison stops there.
We know Samsung better: 8.8/10 documentation against 6.5.
Size, true to scale
front and side, one scale
20
size not published
38×22×67 mm
56 cm³ · 52 g
not published
— · weight not published

Solid block is the face you see in the socket; the outline next to it is depth.

Power by situation
bars share one scale · 30 W
One device, best port
25 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
Samsung
Ugreen
Total output
25 W
30 W
Ports
1×C
1×C
Volume
smaller is better
56 cm³
not published
Weight
smaller is better
52 g
not published
Power density
0.45 W/cm³
—
PPS
Yes
Yes
EPR
over 100 W
No
No
Folding plug
No
No
Price per watt
net of VAT
0.28 €/W
no price
Documentation
8.8/10
6.5/10

marks the better value in that row. Ties, missing data and class differences get no mark.

Offers
EUR · incl. 19% VAT
€8.31
Geizhals
See at retailer
No DE offer