Y51 Pro vs Y400 Pro
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%
Y400 Pro is 2.8% taller
Y51 Pro
159.2mmÃ73.5mm
VS
Y400 Pro
163.6mmÃ75.3mm
Scaled to real proportions
Specifications Comparison
A
Y51 Pro
vivo
2 wins
B
Y400 Pro
vivo
4 wins
đą
Screen Size
Better
Y51 Pro
6.58"
Y400 Pro
6.7"
Difference:
0.12"
(1.8% more)
đ
Battery
Better
Y51 Pro
4,500mAh
Y400 Pro
5,000mAh
Difference:
500mAh
(11.1% more)
đž
RAM
= Tie
Y51 Pro
8GB
Y400 Pro
8GB
Difference:
0GB
âī¸
Weight
Better
Y51 Pro
177g
Y400 Pro
190g
Difference:
13g
(7.3% less)
đŋ
Storage
= Tie
Y51 Pro
128GB
Y400 Pro
128GB
Difference:
0GB
đˇ
Main Camera
Better
Y51 Pro
50MP
Y400 Pro
64MP
Difference:
14MP
(28.0% more)
đ°
Price
Better
Y51 Pro
299$
Y400 Pro
249$
Difference:
50$
(20.1% less)
đ
Height
Y51 Pro
159.2mm
Y400 Pro
163.6mm
đ
Width
Y51 Pro
73.5mm
Y400 Pro
75.3mm
đĻ
Thickness
Better
Y51 Pro
7.3mm
Y400 Pro
8.5mm
Difference:
1.2mm
(16.4% less)
Y51 Pro
Y400 Pro
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
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Data refreshed when specs change
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Our comparison methodology is public