Galaxy S26 Ultra vs Redmi Note 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%

Galaxy S26 Ultra is 2.3% taller

Galaxy S26 Ultra

163.6mm×78.1mm

Redmi Note 15 4G

159.9mm×73.9mm

Scaled to real proportions

Specifications Comparison

Galaxy S26 Ultra

Samsung

5 wins

Redmi Note 15 4G

Xiaomi

2 wins

📱

Screen Size

Diagonal screen measurement

Better

Galaxy S26 Ultra

6.7"

Redmi Note 15 4G

6.67"

Difference: 0.03" (0.4% more)

🔋

Battery

Battery capacity in milliamp-hours

= Tie

Galaxy S26 Ultra

5,000mAh

Redmi Note 15 4G

5,000mAh

Difference: 0mAh

💾

RAM

Random Access Memory for multitasking

Better

Galaxy S26 Ultra

12GB

Redmi Note 15 4G

4GB

Difference: 8GB (200.0% more)

⚖️

Weight

Total device weight

Better

Galaxy S26 Ultra

214g

Redmi Note 15 4G

192g

Difference: 22g (11.5% less)

💿

Storage

Internal storage capacity

Better

Galaxy S26 Ultra

256GB

Redmi Note 15 4G

128GB

Difference: 128GB (100.0% more)

📷

Main Camera

Main camera resolution

Better

Galaxy S26 Ultra

200MP

Redmi Note 15 4G

108MP

Difference: 92MP (85.2% more)

💰

Price

Retail price in USD

Better

Galaxy S26 Ultra

1,299$

Redmi Note 15 4G

199$

Difference: 1,100$ (552.8% less)

📏

Height

Device height

Galaxy S26 Ultra

163.6mm

Redmi Note 15 4G

159.9mm

📐

Width

Device width

Galaxy S26 Ultra

78.1mm

Redmi Note 15 4G

73.9mm

📦

Thickness

Device thickness/depth

Better

Galaxy S26 Ultra

7.9mm

Redmi Note 15 4G

8.1mm

Difference: 0.2mm (2.5% less)

Galaxy S26 Ultra

Redmi Note 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

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Regularly Updated

Data refreshed when specs change

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

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