Galaxy S26 Ultra vs Redmi 15 4G

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

100% Objective Comparisons — Data sourced from official manufacturers

See our methodology

100%

Redmi 15 4G is 3.1% taller

Galaxy S26 Ultra

163.6mm×78.1mm

Redmi 15 4G

168.6mm×76.3mm

Scaled to real proportions

Specifications Comparison

Galaxy S26 Ultra

Samsung

4 wins

Redmi 15 4G

Xiaomi

3 wins

📱

Screen Size

Diagonal screen measurement

Better

Galaxy S26 Ultra

6.7"

Redmi 15 4G

6.79"

Difference: 0.09" (1.3% more)

🔋

Battery

Battery capacity in milliamp-hours

= Tie

Galaxy S26 Ultra

5,000mAh

Redmi 15 4G

5,000mAh

Difference: 0mAh

💾

RAM

Random Access Memory for multitasking

Better

Galaxy S26 Ultra

12GB

Redmi 15 4G

4GB

Difference: 8GB (200.0% more)

⚖️

Weight

Total device weight

Better

Galaxy S26 Ultra

214g

Redmi 15 4G

192g

Difference: 22g (11.5% less)

💿

Storage

Internal storage capacity

Better

Galaxy S26 Ultra

256GB

Redmi 15 4G

128GB

Difference: 128GB (100.0% more)

📷

Main Camera

Main camera resolution

Better

Galaxy S26 Ultra

200MP

Redmi 15 4G

50MP

Difference: 150MP (300.0% more)

💰

Price

Retail price in USD

Better

Galaxy S26 Ultra

1,299$

Redmi 15 4G

199$

Difference: 1,100$ (552.8% less)

📏

Height

Device height

Galaxy S26 Ultra

163.6mm

Redmi 15 4G

168.6mm

📐

Width

Device width

Galaxy S26 Ultra

78.1mm

Redmi 15 4G

76.3mm

📦

Thickness

Device thickness/depth

Better

Galaxy S26 Ultra

7.9mm

Redmi 15 4G

8.3mm

Difference: 0.4mm (5.1% less)

Galaxy S26 Ultra

Redmi 15 4G

Winner in category

Last updated: March 23, 2026

Source: gsmarena.com

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 Galaxy S26 Ultra View Redmi 15 4G Screen Size Battery RAM Weight Storage

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