For consumer TVs and monitors, the standard is 3840 x 2160 pixels .

Ultra HD 4K, often simply called , is a high-resolution display standard characterized by approximately 8 million active pixels. This provides four times the detail of 1080p Full HD. 1. Technical Basics: What is 4K?

Standard consumer displays use a 16:9 aspect ratio. Naming: It is also referred to as 2160p , Ultra HD, or UHD. 2. Difference Between 4K and Ultra HD (UHD)

Roughly 8.3 million pixels, compared to 2 million in Full HD.

While used interchangeably in marketing, they have distinct origins: What is 4K? The Beginner's Guide to 4K