Samsung Galaxy S25 Plus Simulator & Emulator — Viewport, Resolution & CSS Specs
Test your website on Samsung Galaxy S25 Plus in one click — no real device required.
- Free
- 10,000+ users
Samsung Galaxy S25 Plus is a popular device to simulate and emulate among web developers and designers for testing responsive layouts and mobile UI behavior. Year of release: 2025.
Why Test on Samsung Galaxy S25 Plus?
Viewport
Large phone viewport reveals scaling and spacing edge cases.
Pixel Density (DPR)
High pixel density exposes image quality, scaling inconsistencies and minor visual flaws.
Performance & Animations
Large-screen interactions highlight performance bottlenecks.
Viewport Size (CSS Resolution)
The CSS viewport defines how media queries, layout breakpoints, and responsive components behave.
For Samsung Galaxy S25 Plus, the CSS viewport measures:
- Width: 480 px
- Height: 1040 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.
To see exactly how this viewport behaves in real conditions, you can simulate Samsung Galaxy S25 Plus directly in your browser using Phone Simulator.
Free Samsung Galaxy S25 Plus Simulator & Emulator
Accurate viewport simulation directly in your browser.
- No account required
- 40+ devices included
- Works offline
- Free
- 10,000+ users
Pixel Density (Device Pixel Ratio)
Samsung Galaxy S25 Plus 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: 1440 px
- Height: 3120 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 Plus?
Samsung Galaxy S25 Plus has a viewport size of 480×1040 CSS pixels.
How can I test my website on Samsung Galaxy S25 Plus?
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 Plus?
DevTools shows an approximate viewport size, but does not emulate the real mobile browser. Phone Simulator uses exact device characteristics and shows how your site renders in a real mobile browser environment.
Can I test localhost with Phone Simulator on Samsung Galaxy S25 Plus?
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 Samsung Galaxy S25 Plus for testing?
No. Phone Simulator provides accurate device simulation for $0 instead of spending $1049+ on a physical device.
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