Redmi K90 Pro Max vs A6x 4G

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

100% Objective Comparisons — Data sourced from official manufacturers

See our methodology

100%

A6x 4G is 1.0% taller

Redmi K90 Pro Max

163.5mm×75.2mm

A6x 4G

165.1mm×75.6mm

Scaled to real proportions

Specifications Comparison

Redmi K90 Pro Max

Xiaomi

4 wins

A6x 4G

Oppo

3 wins

📱

Screen Size

Diagonal screen measurement

= Tie

Redmi K90 Pro Max

6.7"

A6x 4G

6.7"

Difference: 0"

🔋

Battery

Battery capacity in milliamp-hours

Better

Redmi K90 Pro Max

5,000mAh

A6x 4G

4,500mAh

Difference: 500mAh (11.1% more)

💾

RAM

Random Access Memory for multitasking

Better

Redmi K90 Pro Max

12GB

A6x 4G

8GB

Difference: 4GB (50.0% more)

⚖️

Weight

Total device weight

Better

Redmi K90 Pro Max

210g

A6x 4G

180g

Difference: 30g (16.7% less)

💿

Storage

Internal storage capacity

Better

Redmi K90 Pro Max

256GB

A6x 4G

128GB

Difference: 128GB (100.0% more)

📷

Main Camera

Main camera resolution

Better

Redmi K90 Pro Max

108MP

A6x 4G

64MP

Difference: 44MP (68.8% more)

💰

Price

Retail price in USD

Better

Redmi K90 Pro Max

799$

A6x 4G

399$

Difference: 400$ (100.3% less)

📏

Height

Device height

Redmi K90 Pro Max

163.5mm

A6x 4G

165.1mm

📐

Width

Device width

Redmi K90 Pro Max

75.2mm

A6x 4G

75.6mm

📦

Thickness

Device thickness/depth

Better

Redmi K90 Pro Max

8.8mm

A6x 4G

8.4mm

Difference: 0.4mm (4.8% less)

Redmi K90 Pro Max

A6x 4G

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 A6x 4G Screen Size Battery RAM Weight Storage

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