Y21d 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%
Y21d is 0.4% taller
Y21d
164.3mmÃ76.1mm
VS
Y400 Pro
163.6mmÃ75.3mm
Scaled to real proportions
Specifications Comparison
A
Y21d
vivo
3 wins
B
Y400 Pro
vivo
3 wins
đą
Screen Size
Better
Y21d
6.51"
Y400 Pro
6.7"
Difference:
0.19"
(2.9% more)
đ
Battery
= Tie
Y21d
5,000mAh
Y400 Pro
5,000mAh
Difference:
0mAh
đž
RAM
Better
Y21d
4GB
Y400 Pro
8GB
Difference:
4GB
(100.0% more)
âī¸
Weight
Better
Y21d
182g
Y400 Pro
190g
Difference:
8g
(4.4% less)
đŋ
Storage
= Tie
Y21d
128GB
Y400 Pro
128GB
Difference:
0GB
đˇ
Main Camera
Better
Y21d
50MP
Y400 Pro
64MP
Difference:
14MP
(28.0% more)
đ°
Price
Better
Y21d
199$
Y400 Pro
249$
Difference:
50$
(25.1% less)
đ
Height
Y21d
164.3mm
Y400 Pro
163.6mm
đ
Width
Y21d
76.1mm
Y400 Pro
75.3mm
đĻ
Thickness
Better
Y21d
7.8mm
Y400 Pro
8.5mm
Difference:
0.7mm
(9.0% less)
Y21d
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
No Affiliate Bias
We don't earn from product sales
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Data refreshed when specs change
Transparent Method
Our comparison methodology is public