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Steam Deck OLED Screen Size

CSS viewport, native resolution, pixel ratio and pixel density for the Steam Deck OLED — the numbers you need to design and build for it.

CSS viewport · portrait
1280 × 800 px

Native resolution 1280 × 800 px at 1× · 204 PPI · 7.4″ · 16:10. Design at 1280 × 800 and export assets at 1×.

Steam Deck OLED display specifications
PropertyValue
CSS viewport (portrait)1280 × 800 px
CSS viewport (landscape)800 × 1280 px
Native resolution1280 × 800 px
Device pixel ratio
Pixel density204 PPI
Screen diagonal7.4 in
Panel size6.27 × 3.92 in
Aspect ratio16:10
Total pixels1.02 MP
Released2023
Operating systemvarious

Among the 17 handhelds on this site, the Steam Deck OLED has the 13th largest CSS viewport area. Its 1280 px width is 267 px below the 1547 px average for this category.

Targeting the Steam Deck OLED in CSS

Device-specific media queries are brittle — a new model with the same width will not match. Use them for genuine per-device fixes only, and prefer width buckets for layout.

CSS media query
/* Target Steam Deck OLED specifically */
@media only screen
  and (device-width: 1280px)
  and (device-height: 800px)
  and (-webkit-device-pixel-ratio: 1) {
  /* … */
}

/* More useful in practice — the width bucket it falls into */
@media (min-width: 1280px) { /* … */ }

Compare with other Handhelds & E-Readers models

Steam Deck OLED compared with nearby Handhelds & E-Readers models
DeviceCSS viewportNativeDPRPPIDiagonal
Steam Deck OLED1280 × 8001280 × 8002047.4″
ASUS ROG Ally1920 × 10801920 × 10803157″
Lenovo Legion Go2560 × 16002560 × 16003438.8″
Steam Deck LCD1280 × 8001280 × 8002167″
ASUS ROG Ally X1920 × 10801920 × 10803157″
Kindle Paperwhite 121264 × 16801264 × 16803007″
Kobo Libra Colour1264 × 16801264 × 16803007″
Kobo Clara Colour1072 × 14481072 × 14483006″
Kindle Scribe1860 × 24801860 × 248030010.2″

Questions about the Steam Deck OLED screen

What is the screen size of the Steam Deck OLED?

The Steam Deck OLED has a 7.4-inch display. In CSS the viewport measures 1280 × 800 px in portrait, and the panel itself has 1280 × 800 physical pixels at 204 PPI.

What resolution should I design for on the Steam Deck OLED?

Design at 1280 × 800 and export assets at . That gives you 1280 × 800 px images, which is exactly what the panel renders. Designing directly at 1280 × 800 means every measurement is 1 times larger than the CSS values you will write.

What is the device pixel ratio of the Steam Deck OLED?

The Steam Deck OLED reports a device pixel ratio of 1. One CSS pixel therefore covers one device pixel. You can read it in JavaScript with window.devicePixelRatio.

Which other devices have the same viewport as the Steam Deck OLED?

5 other devices share the 1280 × 800 CSS viewport: Dell XPS 13 (9350), Dell XPS 13 Plus, ThinkPad X1 Carbon Gen 12, ASUS Zenbook 14 OLED, Steam Deck LCD. A layout that works on one works on all of them.

Related

Specifications from the manufacturer's published device data. Last verified 7 August 2026. CSS viewport values are the portrait window.innerWidth/innerHeight reported by the stock browser with no browser chrome. See methodology and sources.