F31 vs Y21d
Side-by-side comparison with real-scale visuals and detailed specifications
100% Objective Comparisons â Data sourced from official manufacturers
See our methodology
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100%
Y21d is 2.3% taller
F31
160.6mmÃ73.4mm
VS
Y21d
164.3mmÃ76.1mm
Scaled to real proportions
Specifications Comparison
A
F31
Oppo
4 wins
B
Y21d
vivo
2 wins
đą
Screen Size
Better
F31
6.7"
Y21d
6.51"
Difference:
0.19"
(2.9% more)
đ
Battery
= Tie
F31
5,000mAh
Y21d
5,000mAh
Difference:
0mAh
đž
RAM
Better
F31
8GB
Y21d
4GB
Difference:
4GB
(100.0% more)
âī¸
Weight
Better
F31
180g
Y21d
182g
Difference:
2g
(1.1% less)
đŋ
Storage
= Tie
F31
128GB
Y21d
128GB
Difference:
0GB
đˇ
Main Camera
Better
F31
64MP
Y21d
50MP
Difference:
14MP
(28.0% more)
đ°
Price
Better
F31
299$
Y21d
199$
Difference:
100$
(50.3% less)
đ
Height
F31
160.6mm
Y21d
164.3mm
đ
Width
F31
73.4mm
Y21d
76.1mm
đĻ
Thickness
Better
F31
8.2mm
Y21d
7.8mm
Difference:
0.4mm
(5.1% less)
F31
Y21d
Winner in category
Last updated: March 23, 2026
Source: Official Source
Last updated: March 23, 2026
Source: Official Source
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Why Trust Our Comparisons
Verified Data
All specs verified from official sources
No Affiliate Bias
We don't earn from product sales
Regularly Updated
Data refreshed when specs change
Transparent Method
Our comparison methodology is public