Find X9 vs Y400 4G
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 4G is 0.2% taller
Find X9
163.7mmÃ74.2mm
VS
Y400 4G
164.1mmÃ75.6mm
Scaled to real proportions
Specifications Comparison
A
Find X9
Oppo
4 wins
B
Y400 4G
vivo
3 wins
đą
Screen Size
Better
Find X9
6.7"
Y400 4G
6.67"
Difference:
0.03"
(0.4% more)
đ
Battery
Better
Find X9
4,500mAh
Y400 4G
5,000mAh
Difference:
500mAh
(11.1% more)
đž
RAM
Better
Find X9
12GB
Y400 4G
4GB
Difference:
8GB
(200.0% more)
âī¸
Weight
Better
Find X9
197g
Y400 4G
193g
Difference:
4g
(2.1% less)
đŋ
Storage
Better
Find X9
256GB
Y400 4G
128GB
Difference:
128GB
(100.0% more)
đˇ
Main Camera
= Tie
Find X9
50MP
Y400 4G
50MP
Difference:
0MP
đ°
Price
Better
Find X9
999$
Y400 4G
199$
Difference:
800$
(402.0% less)
đ
Height
Find X9
163.7mm
Y400 4G
164.1mm
đ
Width
Find X9
74.2mm
Y400 4G
75.6mm
đĻ
Thickness
Better
Find X9
8.3mm
Y400 4G
8.5mm
Difference:
0.2mm
(2.4% less)
Find X9
Y400 4G
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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We don't earn from product sales
Regularly Updated
Data refreshed when specs change
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Our comparison methodology is public