Poco X8 Pro Max vs F31 Pro+

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

100% Objective Comparisons — Data sourced from official manufacturers

See our methodology

100%

F31 Pro+ is 0.1% taller

Poco X8 Pro Max

159.9mm×73.4mm

F31 Pro+

160mm×74mm

Scaled to real proportions

Specifications Comparison

Poco X8 Pro Max

Xiaomi

2 wins

F31 Pro+

Oppo

3 wins

📱

Screen Size

Diagonal screen measurement

Better

Poco X8 Pro Max

6.67"

F31 Pro+

6.7"

Difference: 0.03" (0.4% more)

🔋

Battery

Battery capacity in milliamp-hours

Better

Poco X8 Pro Max

5,000mAh

F31 Pro+

4,500mAh

Difference: 500mAh (11.1% more)

💾

RAM

Random Access Memory for multitasking

= Tie

Poco X8 Pro Max

8GB

F31 Pro+

8GB

Difference: 0GB

⚖️

Weight

Total device weight

Better

Poco X8 Pro Max

205g

F31 Pro+

175g

Difference: 30g (17.1% less)

💿

Storage

Internal storage capacity

= Tie

Poco X8 Pro Max

128GB

F31 Pro+

128GB

Difference: 0GB

📷

Main Camera

Main camera resolution

= Tie

Poco X8 Pro Max

108MP

F31 Pro+

108MP

Difference: 0MP

💰

Price

Retail price in USD

Better

Poco X8 Pro Max

299$

F31 Pro+

799$

Difference: 500$ (167.2% less)

📏

Height

Device height

Poco X8 Pro Max

159.9mm

F31 Pro+

160mm

📐

Width

Device width

Poco X8 Pro Max

73.4mm

F31 Pro+

74mm

📦

Thickness

Device thickness/depth

Better

Poco X8 Pro Max

8.1mm

F31 Pro+

8mm

Difference: 0.1mm (1.2% less)

Poco X8 Pro Max

F31 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

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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 Poco X8 Pro Max View F31 Pro+ Screen Size Battery RAM Weight Storage

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