15T vs Y400
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%
15T is 2.3% taller
15T
162.6mmÃ75.7mm
VS
Y400
158.9mmÃ73.2mm
Scaled to real proportions
Specifications Comparison
A
15T
Xiaomi
2 wins
B
Y400
vivo
2 wins
đą
Screen Size
Better
15T
6.67"
Y400
6.7"
Difference:
0.03"
(0.4% more)
đ
Battery
= Tie
15T
5,000mAh
Y400
5,000mAh
Difference:
0mAh
đž
RAM
= Tie
15T
8GB
Y400
8GB
Difference:
0GB
âī¸
Weight
Better
15T
181g
Y400
185g
Difference:
4g
(2.2% less)
đŋ
Storage
= Tie
15T
128GB
Y400
128GB
Difference:
0GB
đˇ
Main Camera
Better
15T
108MP
Y400
64MP
Difference:
44MP
(68.8% more)
đ°
Price
= Tie
15T
299$
Y400
299$
Difference:
0$
đ
Height
15T
162.6mm
Y400
158.9mm
đ
Width
15T
75.7mm
Y400
73.2mm
đĻ
Thickness
Better
15T
8.3mm
Y400
8.2mm
Difference:
0.1mm
(1.2% less)
15T
Y400
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