4K
3840 × 2160
4K UHD · 4K · 16:9
Four times the pixels of 1080p. Beautifully crisp for text and media; usually run with display scaling so the UI stays usable.
- Standard name
- 4K UHD
- Aspect ratio
- 16:9
- Category
- 4K
- Total pixels
- 8,294,400
- Megapixels
- 8.29 MP
- Orientation
- Landscape
At different display scalings
A 3840 × 2160 panel reports a smaller logical resolution to the browser once the OS applies display scaling (and a higher device pixel ratio). Here's what the browser would see:
| Scaling / DPR | Logical resolution | Looks like |
|---|---|---|
| 1× (100%) | 3840 × 2160 | native, no scaling |
| 1.25× (125%) | 3072 × 1728 | sharper text, less space |
| 1.5× (150%) | 2560 × 1440 | sharper text, less space |
| 2× (200%) | 1920 × 1080 | sharper text, less space |
Related resolutions
Questions
Is 3840 × 2160 a good resolution?
4K UHD is a 4K resolution with a 16:9 aspect ratio and 8.29 megapixels. Four times the pixels of 1080p. Beautifully crisp for text and media; usually run with display scaling so the UI stays usable.
What devices use 3840 × 2160?
This resolution typically appears on: 4K monitors & TVs, 27"–32" displays. Your own device may report it as a logical resolution after display scaling is applied.
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