Open vs K13x
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%
Open is 0.1% taller
Open
160.7mmÃ74.1mm
VS
K13x
160.6mmÃ73.2mm
Scaled to real proportions
Specifications Comparison
A
Open
OnePlus
1 wins
B
K13x
Oppo
4 wins
đą
Screen Size
= Tie
Open
6.7"
K13x
6.7"
Difference:
0"
đ
Battery
= Tie
Open
4,500mAh
K13x
4,500mAh
Difference:
0mAh
đž
RAM
= Tie
Open
8GB
K13x
8GB
Difference:
0GB
âī¸
Weight
Better
Open
180g
K13x
189g
Difference:
9g
(5.0% less)
đŋ
Storage
Better
Open
128GB
K13x
256GB
Difference:
128GB
(100.0% more)
đˇ
Main Camera
Better
Open
48MP
K13x
50MP
Difference:
2MP
(4.2% more)
đ°
Price
Better
Open
699$
K13x
499$
Difference:
200$
(40.1% less)
đ
Height
Open
160.7mm
K13x
160.6mm
đ
Width
Open
74.1mm
K13x
73.2mm
đĻ
Thickness
Better
Open
8.2mm
K13x
7.4mm
Difference:
0.8mm
(10.8% less)
Open
K13x
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