ROG Phone 9 vs Xiaomi 14 Ultra

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

100% Objective Comparisons — Data sourced from official manufacturers

See our methodology

100%

ROG Phone 9 is 0.9% taller

ROG Phone 9

163.8mm×76.8mm

Xiaomi 14 Ultra

165.2mm×75.8mm

Scaled to real proportions

Specifications Comparison

ROG Phone 9

Asus

4 wins

Xiaomi 14 Ultra

Xiaomi

2 wins

📱

Screen Size

Diagonal screen measurement

Better

ROG Phone 9

6.78"

Xiaomi 14 Ultra

6.73"

Difference: 0.05" (0.7% more)

🔋

Battery

Battery capacity in milliamp-hours

Better

ROG Phone 9

5,800mAh

Xiaomi 14 Ultra

5,000mAh

Difference: 800mAh (16.0% more)

💾

RAM

Random Access Memory for multitasking

Better

ROG Phone 9

12GB

Xiaomi 14 Ultra

16GB

Difference: 4GB (33.3% more)

⚖️

Weight

Total device weight

= Tie

ROG Phone 9

227g

Xiaomi 14 Ultra

227g

Difference: 0g

💿

Storage

Internal storage capacity

Better

ROG Phone 9

256GB

Xiaomi 14 Ultra

512GB

Difference: 256GB (100.0% more)

📷

Main Camera

Main camera resolution

= Tie

ROG Phone 9

50MP

Xiaomi 14 Ultra

50MP

Difference: 0MP

💰

Price

Retail price in USD

Better

ROG Phone 9

999$

Xiaomi 14 Ultra

1,299$

Difference: 300$ (30.0% less)

📏

Height

Device height

ROG Phone 9

163.8mm

Xiaomi 14 Ultra

165.2mm

📐

Width

Device width

ROG Phone 9

76.8mm

Xiaomi 14 Ultra

75.8mm

📦

Thickness

Device thickness/depth

Better

ROG Phone 9

8.9mm

Xiaomi 14 Ultra

9.6mm

Difference: 0.7mm (7.9% less)

ROG Phone 9

Xiaomi 14 Ultra

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 ROG Phone 9 View Xiaomi 14 Ultra Screen Size Battery RAM Weight Storage

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