Poco C85x vs Redmi K90 Pro Max

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

100% Objective Comparisons — Data sourced from official manufacturers

See our methodology

100%

Poco C85x is 1.1% taller

Poco C85x

165.3mm×75.6mm

Redmi K90 Pro Max

163.5mm×75.2mm

Scaled to real proportions

Specifications Comparison

Poco C85x

Xiaomi

3 wins

Redmi K90 Pro Max

Xiaomi

3 wins

📱

Screen Size

Diagonal screen measurement

= Tie

Poco C85x

6.7"

Redmi K90 Pro Max

6.7"

Difference: 0"

🔋

Battery

Battery capacity in milliamp-hours

= Tie

Poco C85x

5,000mAh

Redmi K90 Pro Max

5,000mAh

Difference: 0mAh

💾

RAM

Random Access Memory for multitasking

Better

Poco C85x

8GB

Redmi K90 Pro Max

12GB

Difference: 4GB (50.0% more)

⚖️

Weight

Total device weight

Better

Poco C85x

190g

Redmi K90 Pro Max

210g

Difference: 20g (10.5% less)

💿

Storage

Internal storage capacity

Better

Poco C85x

128GB

Redmi K90 Pro Max

256GB

Difference: 128GB (100.0% more)

📷

Main Camera

Main camera resolution

Better

Poco C85x

50MP

Redmi K90 Pro Max

108MP

Difference: 58MP (116.0% more)

💰

Price

Retail price in USD

Better

Poco C85x

199$

Redmi K90 Pro Max

799$

Difference: 600$ (301.5% less)

📏

Height

Device height

Poco C85x

165.3mm

Redmi K90 Pro Max

163.5mm

📐

Width

Device width

Poco C85x

75.6mm

Redmi K90 Pro Max

75.2mm

📦

Thickness

Device thickness/depth

Better

Poco C85x

8.5mm

Redmi K90 Pro Max

8.8mm

Difference: 0.3mm (3.5% less)

Poco C85x

Redmi K90 Pro Max

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 C85x View Redmi K90 Pro Max Screen Size Battery RAM Weight Storage

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