F31 vs Y31
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%
Y31 is 2.4% taller
F31
160.6mm×73.4mm
VS
Y31
164.4mm×76.1mm
Scaled to real proportions
Specifications Comparison
A
F31
Oppo
4 wins
B
Y31
vivo
0 wins
S
Screen Size
Better
F31
6.7"
Y31
6.58"
Difference:
0.12"
(1.8% more)
B
Battery
= Tie
F31
5,000mAh
Y31
5,000mAh
Difference:
0mAh
R
RAM
= Tie
F31
8GB
Y31
8GB
Difference:
0GB
W
Weight
Better
F31
180g
Y31
190g
Difference:
10g
(5.6% less)
S
Storage
= Tie
F31
128GB
Y31
128GB
Difference:
0GB
M
Main Camera
Better
F31
64MP
Y31
50MP
Difference:
14MP
(28.0% more)
P
Price
= Tie
F31
299$
Y31
299$
Difference:
0$
H
Height
F31
160.6mm
Y31
164.4mm
W
Width
F31
73.4mm
Y31
76.1mm
T
Thickness
Better
F31
8.2mm
Y31
8.3mm
Difference:
0.1mm
(1.2% less)
F31
Y31
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