Images or videos are made up of pixels. Each pixel is made of the triads, triads’ means group of three. Triad means the three sub pixels Red, Green, and Blue. RGB are the primary colors called Red, Green, and Blue.
Many of us have seen the numbers 480p, 720p, and 1080p etc in videos. And the common perception is that higher the number the better the video.
What those numbers means
Pixels are the little dots that make up the image, display its color. Resolution is the total number of pixels in a video or image.
As the number of pixels increases the resolution increases. Better resolution means, more detailed and clear video, it seems good to the eyes.
Mostly resolution is called and written by the vertical resolution number. 1080, 720, 480, and 360 are showing the vertical resolution. But there is horizontal pixel count as shown below.
1. 352 x 240 (240p)
2. 480 x 360 (360p)
3. 858 x 480 (480p)
4. 1280 x 720 (720p)
5. 1920 x 1080 (1080p)
6. 3860 x 2160 (2160p, or 4K)
SD (standard definition starts at 240p and ends at 480p); 720 is Semi-HD; and 1080 is full-strength HD and everything is above that called Ultra-HD.
Difference in Streaming of Data in HD and SD
According to Netflix, one hour of SD streaming will us .7GB of data, as opposed to 3GB for HD.
Four major carriers start de-prioritizing data to 3G to 2G speeds are:
1. T-Mobile: 30GB/month
2. Sprint: 23GB/month
3. Verizon: 22GB/month
4. AT&T: 22GB/month
Streaming also have toll on battery life
Any video streaming takes the chunk out of your phone’s battery. Higher streaming definitely further put strain on your phone’s battery. HD streaming can cut your battery life 50 percent.
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