wattaire
Apple
35W
CC
35W Dual USB-C Port Compact Power Adapter
Apple · A2579 / A2571
vs
Google
30W
C
30W USB-C Charger (Pixel)
Google · GA03502-EU
The short version
Apple 35W Dual USB-C Port Compact Power Adapter is 15% smaller by volume.
Google does not publish how it divides power between ports, so a like-for-like comparison stops there.
We know Google better: 8.4/10 documentation against 3.6.
Size, true to scale
front and side, one scale
20
40
49×49×28 mm
67 cm³ · 105 g
68×43×27 mm
79 cm³ · 71 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 · 35 W
One device, best port
35 W
30 W
What a laptop gets when nothing else is plugged in.
Two devices at once
17.5 + 17.5 W
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
Google
Total output
35 W
30 W
Ports
2×C
1×C
Volume
smaller is better
67 cm³
79 cm³
Weight
smaller is better
105 g
71 g
Power density
0.52 W/cm³
0.38 W/cm³
PPS
No
Yes
EPR
over 100 W
No
No
Folding plug
Yes
No
Price per watt
net of VAT
no price
no price
Documentation
3.6/10
8.4/10

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

Offers
EUR · incl. 19% VAT
No DE offer
No DE offer
Apple 35W Dual USB-C Port Compact Power Adapter vs Google 30W USB-C Charger (Pixel) — size, per-port power and price · wattaire