12 vs 17 Ultra (China)
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%
12 is 0.4% taller
12
163.1mm×74.1mm
VS
17 Ultra (China)
162.5mm×75.8mm
Scaled to real proportions
Specifications Comparison
A
12
OnePlus
2 wins
B
17 Ultra (China)
Xiaomi
4 wins
S
Screen Size
Better
12
6.7"
17 Ultra (China)
6.73"
Difference:
0.03"
(0.4% more)
B
Battery
Better
12
4,500mAh
17 Ultra (China)
5,000mAh
Difference:
500mAh
(11.1% more)
R
RAM
= Tie
12
12GB
17 Ultra (China)
12GB
Difference:
0GB
W
Weight
Better
12
211g
17 Ultra (China)
228g
Difference:
17g
(8.1% less)
S
Storage
= Tie
12
256GB
17 Ultra (China)
256GB
Difference:
0GB
M
Main Camera
Better
12
50MP
17 Ultra (China)
200MP
Difference:
150MP
(300.0% more)
P
Price
Better
12
999$
17 Ultra (China)
899$
Difference:
100$
(11.1% less)
H
Height
12
163.1mm
17 Ultra (China)
162.5mm
W
Width
12
74.1mm
17 Ultra (China)
75.8mm
T
Thickness
Better
12
8.7mm
17 Ultra (China)
9.1mm
Difference:
0.4mm
(4.6% less)
12
17 Ultra (China)
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