
Samsung Galaxy S25 Simulator — Viewport, Resolution & CSS Specs
Test your website on Samsung Galaxy S25 in one click – no real device required.
- Free
- 8,000+ users
The Samsung Galaxy S25 is a popular device among web developers and designers for testing responsive layouts and mobile UI behavior.
Galaxy S25 delivers a refined balance of design and performance, featuring Samsung’s signature display clarity and responsive hardware. Year of release: 2025.
Why Test on Samsung Galaxy S25?
Viewport
Modern flagship viewport stresses responsive UI behavior.
Pixel Density (DPR)
DPR exposes blurry images and visual inconsistencies.
Performance & Animations
High-end performance expectations reveal animation issues.
Viewport Size (CSS Resolution)
The CSS viewport defines how media queries, layout breakpoints, and responsive components behave.
For Samsung Galaxy S25, the CSS viewport measures:
- Width: 360 px
- Height: 780 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 Samsung Galaxy S25 directly in your browser using Phone Simulator.
Test on Samsung Galaxy S25 Now
Accurate viewport simulation directly in your browser.
- No account required
- 30+ devices included
- Works offline
- Free
- 8,000+ users

Pixel Density (Device Pixel Ratio)
Samsung Galaxy S25 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: 1080 px
- Height: 2340 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 Samsung Galaxy S25?
Samsung Galaxy S25 has a viewport size of 360×780 CSS pixels.
How can I test my website on Samsung Galaxy S25?
You can simulate it instantly using the Phone Simulator Chrome extension - no real device required.
How is Phone Simulator better than Chrome DevTools for Samsung Galaxy S25?
DevTools shows an approximate viewport size, but does not emulate the real Samsung Internet browser. Phone Simulator uses exact device characteristics and shows how your site renders in a real mobile browser environment.
Do I need to buy a Samsung Galaxy S25 for testing?
No. Phone Simulator provides accurate device simulation for $0 instead of spending $799+ on a physical device.
Does Samsung Galaxy S25 support responsive design testing?
Yes, you can test responsive designs on Samsung Galaxy S25 viewport using Phone Simulator without owning the actual device.
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