Ace 3 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%

Redmi K90 Pro Max is 2.2% taller

Ace 3

160mm×74mm

Redmi K90 Pro Max

163.5mm×75.2mm

Scaled to real proportions

Specifications Comparison

Ace 3

OnePlus

3 wins

Redmi K90 Pro Max

Xiaomi

4 wins

📱

Screen Size

Diagonal screen measurement

= Tie

Ace 3

6.7"

Redmi K90 Pro Max

6.7"

Difference: 0"

🔋

Battery

Battery capacity in milliamp-hours

Better

Ace 3

4,500mAh

Redmi K90 Pro Max

5,000mAh

Difference: 500mAh (11.1% more)

💾

RAM

Random Access Memory for multitasking

Better

Ace 3

8GB

Redmi K90 Pro Max

12GB

Difference: 4GB (50.0% more)

⚖️

Weight

Total device weight

Better

Ace 3

180g

Redmi K90 Pro Max

210g

Difference: 30g (16.7% less)

💿

Storage

Internal storage capacity

Better

Ace 3

128GB

Redmi K90 Pro Max

256GB

Difference: 128GB (100.0% more)

📷

Main Camera

Main camera resolution

Better

Ace 3

64MP

Redmi K90 Pro Max

108MP

Difference: 44MP (68.8% more)

💰

Price

Retail price in USD

Better

Ace 3

399$

Redmi K90 Pro Max

799$

Difference: 400$ (100.3% less)

📏

Height

Device height

Ace 3

160mm

Redmi K90 Pro Max

163.5mm

📐

Width

Device width

Ace 3

74mm

Redmi K90 Pro Max

75.2mm

📦

Thickness

Device thickness/depth

Better

Ace 3

8.4mm

Redmi K90 Pro Max

8.8mm

Difference: 0.4mm (4.8% less)

Ace 3

Redmi K90 Pro Max

Winner in category

Last updated: March 23, 2026

Source: Official Source

Last updated: March 23, 2026

Source: Official Source

Why Trust Our Comparisons

Verified Data

All specs verified from official sources

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We don't earn from product sales

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 Ace 3 View Redmi K90 Pro Max Screen Size Battery RAM Weight Storage

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