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Device screen reference

Google Pixel 9 Pro XL screen size

Use this reference for Google Pixel 9 Pro XL CSS viewport width, physical resolution, DPR, diagonal size, PPI, and responsive testing notes.

Google Pixel 9 Pro XL viewport details

BrandGoogle
FamilyAndroid
TypePhone
CSS viewport448 × 997
Physical resolution1344 × 2992
Device pixel ratio3
Diagonal6.8 inches
Pixel density486 PPI
Aspect ratio20:9
Source labelManufacturer specs + Android viewport reference
ConfidenceReview
Testing note: Large Pixel viewport reference; Android display size settings can change CSS values. Browser zoom, OS display scaling, address bars, toolbars, and orientation can change what JavaScript reports on a live webpage.

Visual comparison

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Responsive testing notes

How to use this viewport reference

Use 448 × 997 as a practical starting point for testing Google Pixel 9 Pro XL layouts, then confirm the live viewport in the browser you are targeting.

Test CSS width

Start breakpoint checks around 448px, then resize slightly above and below that value.

Record DPR

A DPR of 3 affects image sharpness, canvas rendering, and screenshot interpretation.

Verify live values

Use the live checker because browser chrome, orientation, zoom, and OS scaling can change the usable area.

Source and update note

Reference values, not guarantees

This page is built from the ScreenMetricLab device viewport dataset. Values are normalized for practical QA and design use, but they should be verified on real devices or browser emulators before publishing critical layouts.

Record source: Physical display data should be verified against Google specs; CSS viewport is a normalized Android browser reference.

Updated 2026-06-26

Device references should be reviewed regularly as browsers, OS scaling, and hardware options change.

Use with live tools

Pair this page with the viewport checker, DPR checker, and screen resolution checker for better QA notes.

Frequently asked questions

What is the CSS viewport size for Google Pixel 9 Pro XL?

The reference CSS viewport for Google Pixel 9 Pro XL is 448 × 997. Live browser values can still change because of zoom, browser UI, OS display scaling, orientation, and responsive mode.

Is viewport size the same as screen resolution?

No. The physical resolution for this device is 1344 × 2992, while the CSS viewport is the layout area that websites normally use for responsive breakpoints.

Which value should I use for responsive testing?

Use the CSS viewport width first when checking breakpoints and layout bugs. Include DPR and physical resolution as extra context in QA reports.

Why can my live result be different from this reference?

Browser chrome, zoom, operating-system scaling, accessibility settings, split view, and orientation can all change the viewport reported by JavaScript.

Related tools

Use these tools to validate this device reference in a live browser.

What Is My Screen Size?

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Viewport Size Checker

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Screen Resolution Checker

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DPR Checker

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See your device pixel ratio for responsive images, retina assets, and layout debugging.

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PPI Calculator

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Calculate pixel density from resolution and diagonal display size for phones, laptops, monitors, and TVs.

Calculate PPI →
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Related devices

More Android references

View family page →

Google Pixel 8

412 × 915 CSS viewport · DPR 2.625

Google Pixel 8 Pro

448 × 998 CSS viewport · DPR 3

Google Pixel 8a

412 × 915 CSS viewport · DPR 2.625