17 Ultra (China) vs Y21d
True-scale visual comparison — see exact mm dimensions side by side with detailed specs.
100% Objective Comparisons — Data sourced from official manufacturers
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100%
Y21d is 1.1% taller
17 Ultra (China)
162.5mm×75.8mm
VS
Y21d
164.3mm×76.1mm
Scaled to real proportions
Specifications Comparison
A
17 Ultra (China)
Xiaomi
4 wins
B
Y21d
vivo
3 wins
S
Screen Size
Better
17 Ultra (China)
6.73"
Y21d
6.51"
Difference:
0.22"
(3.4% more)
B
Battery
= Tie
17 Ultra (China)
5,000mAh
Y21d
5,000mAh
Difference:
0mAh
R
RAM
Better
17 Ultra (China)
12GB
Y21d
4GB
Difference:
8GB
(200.0% more)
W
Weight
Better
17 Ultra (China)
228g
Y21d
182g
Difference:
46g
(25.3% less)
S
Storage
Better
17 Ultra (China)
256GB
Y21d
128GB
Difference:
128GB
(100.0% more)
M
Main Camera
Better
17 Ultra (China)
200MP
Y21d
50MP
Difference:
150MP
(300.0% more)
P
Price
Better
17 Ultra (China)
899$
Y21d
199$
Difference:
700$
(351.8% less)
H
Height
17 Ultra (China)
162.5mm
Y21d
164.3mm
W
Width
17 Ultra (China)
75.8mm
Y21d
76.1mm
T
Thickness
Better
17 Ultra (China)
9.1mm
Y21d
7.8mm
Difference:
1.3mm
(16.7% less)
17 Ultra (China)
Y21d
Winner in category
Last updated: March 23, 2026
Source: Official Source
Last updated: March 23, 2026
Source: Official Source
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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