wattaire
Apple
70W
C
vs
Samsung
45W
C
The short version
Samsung 45W Power Adapter (2024, Super Fast Charging 2.0) is 17% smaller by volume.
Apple does not publish how it divides power between ports, so a like-for-like comparison stops there.
We know Apple better: 10.0/10 documentation against 8.0.
Size, true to scale
front and side, one scale
20
40
60
80
65×65×29 mm
120 cm³ · weight not published
44×82×28 mm
100 cm³ · 93 g

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

Power by situation
bars share one scale · 70W
One device, best port
70 W
45 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
Samsung
Total output
70 W
45 W
Ports
1×C
1×C
Volume
smaller is better
120 cm³
100 cm³
Weight
smaller is better
not published
93 g
Power density
0.58 W/cm³
0.45 W/cm³
PPS
No
Yes
EPR
over 100 W
No
No
Folding plug
Yes
No
Price per watt
net of VAT
0.62 €/W
no price
Documentation
10.0/10
8.0/10

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

Offers
EUR · incl. 19% VAT
€51.90
Geizhals
See at retailer
No DE offer