12 vs Y400
True-scale visual comparison — see exact mm dimensions side by side with detailed specs.
100% Objective Comparisons — Data sourced from official manufacturers
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100%
12 is 2.6% taller
12
163.1mm×74.1mm
VS
Y400
158.9mm×73.2mm
Scaled to real proportions
Specifications Comparison
A
12
OnePlus
2 wins
B
Y400
vivo
5 wins
S
Screen Size
= Tie
12
6.7"
Y400
6.7"
Difference:
0"
B
Battery
Better
12
4,500mAh
Y400
5,000mAh
Difference:
500mAh
(11.1% more)
R
RAM
Better
12
12GB
Y400
8GB
Difference:
4GB
(50.0% more)
W
Weight
Better
12
211g
Y400
185g
Difference:
26g
(14.1% less)
S
Storage
Better
12
256GB
Y400
128GB
Difference:
128GB
(100.0% more)
M
Main Camera
Better
12
50MP
Y400
64MP
Difference:
14MP
(28.0% more)
P
Price
Better
12
999$
Y400
299$
Difference:
700$
(234.1% less)
H
Height
12
163.1mm
Y400
158.9mm
W
Width
12
74.1mm
Y400
73.2mm
T
Thickness
Better
12
8.7mm
Y400
8.2mm
Difference:
0.5mm
(6.1% less)
12
Y400
Winner in category
Last updated: March 23, 2026
Source: Official Source
Last updated: March 23, 2026
Source: Official Source
Why Trust Our Comparisons
Verified Data
All specs verified from official sources
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Data refreshed when specs change
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Our comparison methodology is public