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Ace 5 Ultra vs Poco X8 Pro Max

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%
Ace 5 Ultra is 2.0% taller
Ace 5 Ultra — 163.1mm × 75.1mm
Ace 5 Ultra
163.1mm×75.1mm
Poco X8 Pro Max — 159.9mm × 73.4mm
Poco X8 Pro Max
159.9mm×73.4mm
Scaled to real proportions

Specifications Comparison

A

Ace 5 Ultra

OnePlus

4 wins
B

Poco X8 Pro Max

Xiaomi

3 wins
S

Screen Size

Ace 5 Ultra

6.7"

Poco X8 Pro Max

6.67"

Difference: 0.03" (0.4% more)
B

Battery

=

Ace 5 Ultra

5,000mAh

Poco X8 Pro Max

5,000mAh

Difference: 0mAh
R

RAM

Ace 5 Ultra

12GB

Poco X8 Pro Max

8GB

Difference: 4GB (50.0% more)
W

Weight

Ace 5 Ultra

203g

Poco X8 Pro Max

205g

Difference: 2g (1.0% less)
S

Storage

Ace 5 Ultra

256GB

Poco X8 Pro Max

128GB

Difference: 128GB (100.0% more)
M

Main Camera

Ace 5 Ultra

50MP

Poco X8 Pro Max

108MP

Difference: 58MP (116.0% more)
P

Price

Ace 5 Ultra

999$

Poco X8 Pro Max

299$

Difference: 700$ (234.1% less)
H

Height

Ace 5 Ultra

163.1mm

Poco X8 Pro Max

159.9mm

W

Width

Ace 5 Ultra

75.1mm

Poco X8 Pro Max

73.4mm

T

Thickness

Ace 5 Ultra

8.7mm

Poco X8 Pro Max

8.1mm

Difference: 0.6mm (7.4% less)
Ace 5 Ultra
Poco X8 Pro Max
Winner in category
Last updated: March 23, 2026
Source: Official Source
Last updated: March 23, 2026
Source: Official Source

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Verified Data

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Data refreshed when specs change

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Our comparison methodology is public

SE

SizeVS Editorial Team

Verified

Product Comparison Specialists

Our team of tech enthusiasts and data analysts work to provide accurate, unbiased product comparisons.

Verified Data Sources Editorial Standards
Updated:
Our methodology

Explore this matchup

View Ace 5 Ultra View Poco X8 Pro Max Screen SizeBatteryRAMWeightStorage

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