Ace 5 Ultra vs Poco M8

Side-by-side comparison with real-scale visuals and detailed specifications

100% Objective Comparisons — Data sourced from official manufacturers

See our methodology

100%

Poco M8 is 0.1% taller

Ace 5 Ultra

163.1mm×75.1mm

Poco M8

163.3mm×77.1mm

Scaled to real proportions

Specifications Comparison

Ace 5 Ultra

OnePlus

5 wins

Poco M8

Xiaomi

2 wins

📱

Screen Size

Diagonal screen measurement

Better

Ace 5 Ultra

6.7"

Poco M8

6.53"

Difference: 0.17" (2.6% more)

🔋

Battery

Battery capacity in milliamp-hours

= Tie

Ace 5 Ultra

5,000mAh

Poco M8

5,000mAh

Difference: 0mAh

💾

RAM

Random Access Memory for multitasking

Better

Ace 5 Ultra

12GB

Poco M8

4GB

Difference: 8GB (200.0% more)

⚖️

Weight

Total device weight

Better

Ace 5 Ultra

203g

Poco M8

198g

Difference: 5g (2.5% less)

💿

Storage

Internal storage capacity

Better

Ace 5 Ultra

256GB

Poco M8

64GB

Difference: 192GB (300.0% more)

📷

Main Camera

Main camera resolution

Better

Ace 5 Ultra

50MP

Poco M8

13MP

Difference: 37MP (284.6% more)

💰

Price

Retail price in USD

Better

Ace 5 Ultra

999$

Poco M8

139$

Difference: 860$ (618.7% less)

📏

Height

Device height

Ace 5 Ultra

163.1mm

Poco M8

163.3mm

📐

Width

Device width

Ace 5 Ultra

75.1mm

Poco M8

77.1mm

📦

Thickness

Device thickness/depth

Better

Ace 5 Ultra

8.7mm

Poco M8

9mm

Difference: 0.3mm (3.4% less)

Ace 5 Ultra

Poco M8

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

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: March 24, 2026

Our methodology

Explore this matchup

View Ace 5 Ultra View Poco M8 Screen Size Battery RAM Weight Storage

More related comparisons

Galaxy M17evsPoco M8

Compare specs & size →

Galaxy S26 UltravsAce 5 Ultra

Compare specs & size →

Samsung Galaxy S25vsAce 5 Ultra

Compare specs & size →

Galaxy F70evsPoco M8

Compare specs & size →

Galaxy M17vsAce 5 Ultra

Compare specs & size →

Google Pixel 9 ProvsAce 5 Ultra

Compare specs & size →