12 vs 17 Ultra (China)
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%
17 Ultra (China) is 0.4% taller
12
163.1mmÃ74.1mm
VS
17 Ultra (China)
162.5mmÃ75.8mm
Scaled to real proportions
Specifications Comparison
A
12
OnePlus
2 wins
B
17 Ultra (China)
Xiaomi
4 wins
đą
Screen Size
Better
12
6.7"
17 Ultra (China)
6.73"
Difference:
0.03"
(0.4% more)
đ
Battery
Better
12
4,500mAh
17 Ultra (China)
5,000mAh
Difference:
500mAh
(11.1% more)
đž
RAM
= Tie
12
12GB
17 Ultra (China)
12GB
Difference:
0GB
âī¸
Weight
Better
12
211g
17 Ultra (China)
228g
Difference:
17g
(8.1% less)
đŋ
Storage
= Tie
12
256GB
17 Ultra (China)
256GB
Difference:
0GB
đˇ
Main Camera
Better
12
50MP
17 Ultra (China)
200MP
Difference:
150MP
(300.0% more)
đ°
Price
Better
12
999$
17 Ultra (China)
899$
Difference:
100$
(11.1% less)
đ
Height
12
163.1mm
17 Ultra (China)
162.5mm
đ
Width
12
74.1mm
17 Ultra (China)
75.8mm
đĻ
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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Why Trust Our Comparisons
Verified Data
All specs verified from official sources
No Affiliate Bias
We don't earn from product sales
Regularly Updated
Data refreshed when specs change
Transparent Method
Our comparison methodology is public