12 vs X300
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%
X300 is 0.6% taller
12
163.1mm×74.1mm
VS
X300
164mm×75mm
Scaled to real proportions
Specifications Comparison
A
12
OnePlus
2 wins
B
X300
vivo
5 wins
S
Screen Size
= Tie
12
6.7"
X300
6.7"
Difference:
0"
B
Battery
Better
12
4,500mAh
X300
5,000mAh
Difference:
500mAh
(11.1% more)
R
RAM
Better
12
12GB
X300
8GB
Difference:
4GB
(50.0% more)
W
Weight
Better
12
211g
X300
192g
Difference:
19g
(9.9% less)
S
Storage
Better
12
256GB
X300
128GB
Difference:
128GB
(100.0% more)
M
Main Camera
Better
12
50MP
X300
64MP
Difference:
14MP
(28.0% more)
P
Price
Better
12
999$
X300
299$
Difference:
700$
(234.1% less)
H
Height
12
163.1mm
X300
164mm
W
Width
12
74.1mm
X300
75mm
T
Thickness
Better
12
8.7mm
X300
8.5mm
Difference:
0.2mm
(2.4% less)
12
X300
Winner in category
Last updated: March 23, 2026
Source: Official Source
Last updated: March 23, 2026
Source: Official Source
Why Trust Our Comparisons
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