iQOO 15 Ultra vs X300 Pro
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%
iQOO 15 Ultra is 3.7% taller
iQOO 15 Ultra
164.3mmÃ74.8mm
VS
X300 Pro
158.5mmÃ73.3mm
Scaled to real proportions
Specifications Comparison
A
iQOO 15 Ultra
vivo
3 wins
B
X300 Pro
vivo
5 wins
đą
Screen Size
Better
iQOO 15 Ultra
6.78"
X300 Pro
6.7"
Difference:
0.08"
(1.2% more)
đ
Battery
Better
iQOO 15 Ultra
4,500mAh
X300 Pro
5,000mAh
Difference:
500mAh
(11.1% more)
đž
RAM
Better
iQOO 15 Ultra
12GB
X300 Pro
8GB
Difference:
4GB
(50.0% more)
âī¸
Weight
Better
iQOO 15 Ultra
210g
X300 Pro
205g
Difference:
5g
(2.4% less)
đŋ
Storage
Better
iQOO 15 Ultra
256GB
X300 Pro
128GB
Difference:
128GB
(100.0% more)
đˇ
Main Camera
Better
iQOO 15 Ultra
50MP
X300 Pro
108MP
Difference:
58MP
(116.0% more)
đ°
Price
Better
iQOO 15 Ultra
999$
X300 Pro
299$
Difference:
700$
(234.1% less)
đ
Height
iQOO 15 Ultra
164.3mm
X300 Pro
158.5mm
đ
Width
iQOO 15 Ultra
74.8mm
X300 Pro
73.3mm
đĻ
Thickness
Better
iQOO 15 Ultra
9.2mm
X300 Pro
8.3mm
Difference:
0.9mm
(10.8% less)
iQOO 15 Ultra
X300 Pro
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