
Xiaomi 17 Pro Max Simulator — Viewport, Resolution & CSS Specs
Test your website on Xiaomi 17 Pro Max in one click – no real device required.
- Free
- 10,000+ users
The Xiaomi 17 Pro Max is a popular device among web developers and designers for testing responsive layouts and mobile UI behavior.
A large premium screen that tests the edges of your layout where most setups never look. Year of release: 2025.
Why Test on Xiaomi 17 Pro Max?
Viewport
An oversized screen that stresses your grid and navigation in ways smaller phones won't.
Pixel Density (DPR)
Ultra-sharp display makes image quality issues impossible to miss.
Performance & Animations
High-end device - users expect everything to feel effortless.
Viewport Size (CSS Resolution)
The CSS viewport defines how media queries, layout breakpoints, and responsive components behave.
For Xiaomi 17 Pro Max, the CSS viewport measures:
- Width: 400 px
- Height: 869 px
ℹ️ The visible height can vary slightly depending on the browser UI (Safari, Chrome, etc.).
Some analytics platforms only display the physical screen resolution (see below) instead of the CSS viewport size, so keep that in mind when interpreting results.
To see exactly how this viewport behaves in real conditions, you can simulate Xiaomi 17 Pro Max directly in your browser using Phone Simulator.
Test on Xiaomi 17 Pro Max Now
Accurate viewport simulation directly in your browser.
- No account required
- 30+ devices included
- Works offline
- Free
- 10,000+ users

Pixel Density (Device Pixel Ratio)
Xiaomi 17 Pro Max has a device pixel ratio of 3.
Each CSS pixel is rendered using 3 physical pixels, resulting in sharper text and images.
For CSS targeting:
@media only screen and (-webkit-min-device-pixel-ratio: 3) {
/* High-DPI specific styles */
}In JavaScript:
window.devicePixelRatio;
// returns: 3Physical Screen Resolution
Physical resolution refers to the actual number of hardware pixels on the display. While it does not affect CSS layouts, it is commonly shown in analytics and device specifications.
- Width: 1200 px
- Height: 2608 px
ℹ️ Physical resolution is not used for CSS layouts but is often shown in analytics tools.
Frequently Asked Questions
What is the viewport size of Xiaomi 17 Pro Max?
400×869 CSS pixels.
How can I test my website on Xiaomi 17 Pro Max?
You can simulate it instantly using the Phone Simulator Chrome extension - no real device required.
How is Phone Simulator better than Chrome DevTools for Xiaomi 17 Pro Max?
DevTools shows an approximate viewport size, but does not emulate the real HyperOS browser. Phone Simulator uses exact device characteristics and shows how your site renders in a real Android browser environment.
Can I test localhost with Phone Simulator on Xiaomi 17 Pro Max?
Yes. Phone Simulator works with any local URL, including localhost:3000, 127.0.0.1, and similar development setups.
Do I need to buy a Xiaomi 17 Pro Max for testing?
No. Phone Simulator provides accurate device simulation for $0 instead of spending $1,199+ on a physical device.
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