Galaxy S25 Ultra 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%

Galaxy S25 Ultra is 0.4% taller

Galaxy S25 Ultra

162.8mm×77.6mm

Redmi K90 Pro Max

163.5mm×75.2mm

Scaled to real proportions

Specifications Comparison

Galaxy S25 Ultra

Samsung

4 wins

Redmi K90 Pro Max

Xiaomi

1 wins

📱

Screen Size

Diagonal screen measurement

Better

Galaxy S25 Ultra

6.8"

Redmi K90 Pro Max

6.7"

Difference: 0.1" (1.5% more)

🔋

Battery

Battery capacity in milliamp-hours

= Tie

Galaxy S25 Ultra

5,000mAh

Redmi K90 Pro Max

5,000mAh

Difference: 0mAh

💾

RAM

Random Access Memory for multitasking

= Tie

Galaxy S25 Ultra

12GB

Redmi K90 Pro Max

12GB

Difference: 0GB

⚖️

Weight

Total device weight

Better

Galaxy S25 Ultra

218g

Redmi K90 Pro Max

210g

Difference: 8g (3.8% less)

💿

Storage

Internal storage capacity

= Tie

Galaxy S25 Ultra

256GB

Redmi K90 Pro Max

256GB

Difference: 0GB

📷

Main Camera

Main camera resolution

Better

Galaxy S25 Ultra

200MP

Redmi K90 Pro Max

108MP

Difference: 92MP (85.2% more)

💰

Price

Retail price in USD

Better

Galaxy S25 Ultra

753$

Redmi K90 Pro Max

799$

Difference: 46$ (6.1% less)

📏

Height

Device height

Galaxy S25 Ultra

162.8mm

Redmi K90 Pro Max

163.5mm

📐

Width

Device width

Galaxy S25 Ultra

77.6mm

Redmi K90 Pro Max

75.2mm

📦

Thickness

Device thickness/depth

Better

Galaxy S25 Ultra

8.2mm

Redmi K90 Pro Max

8.8mm

Difference: 0.6mm (7.3% less)

Galaxy S25 Ultra

Redmi K90 Pro Max

Winner in category

Last updated: March 23, 2026

Source: gsmarena.com

Last updated: March 23, 2026

Source: Official Source

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Verified Data

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Data refreshed when specs change

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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 Galaxy S25 Ultra View Redmi K90 Pro Max Screen Size Battery RAM Weight Storage

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