Galaxy S25 Ultra vs Galaxy S26 Ultra

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

100% Objective Comparisons — Data sourced from official manufacturers

See our methodology

100%

Galaxy S26 Ultra is 0.5% taller

Galaxy S25 Ultra

162.8mm×77.6mm

Galaxy S26 Ultra

163.6mm×78.1mm

Scaled to real proportions

Specifications Comparison

Galaxy S25 Ultra

Samsung

2 wins

Galaxy S26 Ultra

Samsung

2 wins

📱

Screen Size

Diagonal screen measurement

Better

Galaxy S25 Ultra

6.8"

Galaxy S26 Ultra

6.7"

Difference: 0.1" (1.5% more)

🔋

Battery

Battery capacity in milliamp-hours

= Tie

Galaxy S25 Ultra

5,000mAh

Galaxy S26 Ultra

5,000mAh

Difference: 0mAh

💾

RAM

Random Access Memory for multitasking

= Tie

Galaxy S25 Ultra

12GB

Galaxy S26 Ultra

12GB

Difference: 0GB

⚖️

Weight

Total device weight

Better

Galaxy S25 Ultra

218g

Galaxy S26 Ultra

214g

Difference: 4g (1.9% less)

💿

Storage

Internal storage capacity

= Tie

Galaxy S25 Ultra

256GB

Galaxy S26 Ultra

256GB

Difference: 0GB

📷

Main Camera

Main camera resolution

= Tie

Galaxy S25 Ultra

200MP

Galaxy S26 Ultra

200MP

Difference: 0MP

💰

Price

Retail price in USD

Better

Galaxy S25 Ultra

753$

Galaxy S26 Ultra

1,299$

Difference: 546$ (72.5% less)

📏

Height

Device height

Galaxy S25 Ultra

162.8mm

Galaxy S26 Ultra

163.6mm

📐

Width

Device width

Galaxy S25 Ultra

77.6mm

Galaxy S26 Ultra

78.1mm

📦

Thickness

Device thickness/depth

Better

Galaxy S25 Ultra

8.2mm

Galaxy S26 Ultra

7.9mm

Difference: 0.3mm (3.8% less)

Galaxy S25 Ultra

Galaxy S26 Ultra

Winner in category

Last updated: March 23, 2026

Source: gsmarena.com

Last updated: March 23, 2026

Source: gsmarena.com

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

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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 Galaxy S26 Ultra Screen Size Battery RAM Weight Storage

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