High-definition video, or HD video, refers to higher resolution video in HDTV specifications that has been superseding traditional standard-definition television. Video resolutions of 4K and above are referred to as ultra high-definition video (UHD).
Specifications
High-definition
| Name
|
Resolution
|
Corresponding Apple product
|
Year
|
| 720p (Standard HD)
|
1280 x 720
|
15-inch PowerBook G4 (1280 x 854)
|
2002
|
| 1080p / 1080i (Full HD)
|
1920 x 1080
|
23-inch Cinema HD Display (1920 x 1200)
|
2002
|
| 1440p (Quad HD)
|
2560 x 1440
|
27-inch Intel-based iMac (2560 x 1440)
|
2009
|
Ultra high-definition
| Name
|
Resolution
|
Corresponding Apple product
|
Year
|
| 2160p (4K)
|
3840 x 2160
|
21.5-inch iMac with Retina display (4096 x 2304)
|
2015
|
| 2880p (5K)
|
5120 x 2880
|
27-inch iMac with Retina display (5120 x 2880)
|
2014
|
| 3240p (6K)
|
6144 x 3240
|
32-inch Pro Display XDR (6016 × 3384)
|
2019
|
| 4320p (8K)
|
7680 x 4320
|
|
|
External links
