15 vs X300
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%
X300 is 0.6% taller
15
163.1mmÃ74.1mm
VS
X300
164mmÃ75mm
Scaled to real proportions
Specifications Comparison
A
15
OnePlus
1 wins
B
X300
vivo
4 wins
đą
Screen Size
= Tie
15
6.7"
X300
6.7"
Difference:
0"
đ
Battery
Better
15
4,500mAh
X300
5,000mAh
Difference:
500mAh
(11.1% more)
đž
RAM
= Tie
15
8GB
X300
8GB
Difference:
0GB
âī¸
Weight
Better
15
185g
X300
192g
Difference:
7g
(3.8% less)
đŋ
Storage
= Tie
15
128GB
X300
128GB
Difference:
0GB
đˇ
Main Camera
Better
15
50MP
X300
64MP
Difference:
14MP
(28.0% more)
đ°
Price
Better
15
699$
X300
299$
Difference:
400$
(133.8% less)
đ
Height
15
163.1mm
X300
164mm
đ
Width
15
74.1mm
X300
75mm
đĻ
Thickness
Better
15
8.7mm
X300
8.5mm
Difference:
0.2mm
(2.4% less)
15
X300
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