Redmi K90 Pro Max vs A5x

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

100% Objective Comparisons — Data sourced from official manufacturers

See our methodology

100%

Redmi K90 Pro Max is 2.1% taller

Redmi K90 Pro Max

163.5mm×75.2mm

A5x

160.2mm×73.3mm

Scaled to real proportions

Specifications Comparison

Redmi K90 Pro Max

Xiaomi

3 wins

A5x

Oppo

3 wins

📱

Screen Size

Diagonal screen measurement

= Tie

Redmi K90 Pro Max

6.7"

A5x

6.7"

Difference: 0"

🔋

Battery

Battery capacity in milliamp-hours

= Tie

Redmi K90 Pro Max

5,000mAh

A5x

5,000mAh

Difference: 0mAh

💾

RAM

Random Access Memory for multitasking

Better

Redmi K90 Pro Max

12GB

A5x

8GB

Difference: 4GB (50.0% more)

⚖️

Weight

Total device weight

Better

Redmi K90 Pro Max

210g

A5x

189g

Difference: 21g (11.1% less)

💿

Storage

Internal storage capacity

Better

Redmi K90 Pro Max

256GB

A5x

128GB

Difference: 128GB (100.0% more)

📷

Main Camera

Main camera resolution

Better

Redmi K90 Pro Max

108MP

A5x

50MP

Difference: 58MP (116.0% more)

💰

Price

Retail price in USD

Better

Redmi K90 Pro Max

799$

A5x

399$

Difference: 400$ (100.3% less)

📏

Height

Device height

Redmi K90 Pro Max

163.5mm

A5x

160.2mm

📐

Width

Device width

Redmi K90 Pro Max

75.2mm

A5x

73.3mm

📦

Thickness

Device thickness/depth

Better

Redmi K90 Pro Max

8.8mm

A5x

7.7mm

Difference: 1.1mm (14.3% less)

Redmi K90 Pro Max

A5x

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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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 Redmi K90 Pro Max View A5x Screen Size Battery RAM Weight Storage

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