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1440px

3840 × 2160 — 4K UHD

2160p, the consumer 4K television and monitor standard

4K UHD · also called 2160p
3840 × 2160 px

8.29 megapixels · 16:9 aspect ratio · 4× the pixel count of Full HD. 2160p, the consumer 4K television and monitor standard

4K UHD specifications
PropertyValue
Width3840 px
Height2160 px
Total pixels8,294,400 (8.29 MP)
Aspect ratio16:9
Exact ratio16:9
Shorthand2160p
Family4K
vs. Full HD4×
vs. 4K UHD1×

How 4K UHD compares

Pixel count relative to this resolution
ResolutionPixelsMegapixelsRatiovs. this
HD1280 × 7200.9216:90.11×
HD+1600 × 9001.4416:90.17×
Full HD1920 × 10802.0716:90.25×
WUXGA1920 × 12002.316:100.28×
QWXGA2048 × 11522.3616:90.28×
QHD2560 × 14403.6916:90.44×
WQXGA2560 × 16004.116:100.49×
QHD+3200 × 18005.7616:90.69×
4K UHD3840 × 21608.2916:9—
4K+3840 × 24009.2216:101.11×
5K5120 × 288014.7516:91.78×
8K UHD7680 × 432033.1816:94×

Same aspect ratio

HD1280×720HD+1600×900Full HD1920×1080QWXGA2048×1152QHD2560×1440QHD+3200×18005K5120×28806K6016×33848K UHD7680×4320

Questions

What resolution is 4K UHD?

4K UHD is 3840 × 2160 pixels — 8.29 megapixels in total, at a 16:9 aspect ratio.

Is 2160p the same as 4K UHD?

Yes. "2160p" refers to the 2160 horizontal lines of pixels, which at 16:9 means 3840 × 2160. The p stands for progressive scan, as opposed to interlaced.

How does 4K UHD compare to Full HD?

4K UHD has 8.29 megapixels against Full HD's 2.07 — about 4× more pixels.

What aspect ratio is 3840 × 2160?

16:9 — exactly 16:9 when reduced.

All resolutions

QQVGA160×120QVGA320×240HVGA480×320VGA640×480SVGA800×600XGA1024×768WXGA1280×800SXGA1280×1024HD1280×720WXGA+1440×900HD+1600×900UXGA1600×1200WSXGA+1680×1050Full HD1920×1080WUXGA1920×1200QWXGA2048×1152DCI 2K2048×1080QHD2560×1440WQXGA2560×1600UWFHD2560×1080QHD+3200×1800UWQHD3440×1440DCI 4K4096×21604K+3840×2400
Resolution designations follow VESA and CTA standard naming. Aspect ratios are computed from the pixel dimensions.