12 vs Ace 3 Pro
True-scale visual comparison — see exact mm dimensions side by side with detailed specs.
100% Objective Comparisons — Data sourced from official manufacturers
See our methodology
Choose how to display the two devices: stacked, overlapped, or split with a slider.
100%
Same depth (163.1mm)
12
163.1mm×74.1mm
VS
Ace 3 Pro
163.1mm×75.6mm
Scaled to real proportions
Specifications Comparison
A
12
OnePlus
1 wins
B
Ace 3 Pro
OnePlus
3 wins
S
Screen Size
= Tie
12
6.7"
Ace 3 Pro
6.7"
Difference:
0"
B
Battery
Better
12
4,500mAh
Ace 3 Pro
5,000mAh
Difference:
500mAh
(11.1% more)
R
RAM
= Tie
12
12GB
Ace 3 Pro
12GB
Difference:
0GB
W
Weight
Better
12
211g
Ace 3 Pro
205g
Difference:
6g
(2.9% less)
S
Storage
= Tie
12
256GB
Ace 3 Pro
256GB
Difference:
0GB
M
Main Camera
Better
12
50MP
Ace 3 Pro
48MP
Difference:
2MP
(4.2% more)
P
Price
Better
12
999$
Ace 3 Pro
699$
Difference:
300$
(42.9% less)
H
Height
12
163.1mm
Ace 3 Pro
163.1mm
W
Width
12
74.1mm
Ace 3 Pro
75.6mm
T
Thickness
= Tie
12
8.7mm
Ace 3 Pro
8.7mm
Difference:
0mm
12
Ace 3 Pro
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
No Affiliate Bias
We don't earn from product sales
Regularly Updated
Data refreshed when specs change
Transparent Method
Our comparison methodology is public