The 4K UHD Blu-ray disc will be compressed by the H.265 codec and divided into two types: a 66GB dual-layer disc or a 100GB three-layer disc. # Storage or Capacityĭue to increased resolution and additional technology, 4K Blu-ray will need a much bigger capacity. It must be the winner of visual experience in the 4K Blu-ray vs 1080P Blu-ray war. In both horizontal and vertical directions, 4K Blu-ray is twice that of 1080P Blu-ray. It is undoubtedly suitable for HDTV display.ĤK Blu-ray is 3840 x 2160 pixels. # Resolutionįrom the definition, Normal Blu-ray discs resolution is 1080P (1920×1080 pixels), at up to 60 (59.94) frame rate. So, we will also talk about the difference in resolution, compatibility, storage, and price in detail. But it is not the single factor that we want to discuss.

The resolution is the core of the battle between normal Blu-ray and 4K Blu-ray. 1080P Blu-ray vs 4K Blu-ray: Comparison of Resolution & Compatibility & Storage & Price In the next, when we talk about 4K in this article, we also mean 4K UHD.Īfter knowing the definition of Blu-ray and 4K, a question presents: Is 4K Blu-ray better than normal Blu-ray? So, to get the answer, just move on and keep reading. It can be Blu-ray disc format or another video format such as MKV, MP4, etc. Blu-ray is an optical disc type, there are 1080P Blu-ray and 4K Blu-ray, and 4K is a resolution (opens new window). I hope that I have already made it clear enough to distinguish these concepts. So, '4K' has become a word that we often hear in our daily digital life. Although UHD is close to 4K but not the real 4K, for marketing tactics, the television makers seem to insist on using '4K'. In conclusion, DCI 4K and UHD are different in resolution. As a customer, when we buy a 4K TV or 4K Blu-ray disc, we care about what exactly does the advertising copy '4K' mean, that generally means 4K UHD (3840× 2160), not DCI 4K (4096×2160). In television and consumer media, 3840× 2160 (UHD) is the dominant 4K standard. UHD (Ultra-High-Definition) and 4K UHD are the same thing and they both refer to 3840*2160 pixels.

In the movie projection industry, 4096×2160 (DCI 4K) is the dominant 4K standard. # DCI 4K:ĤK refers to a horizontal screen display resolution in the order of 4,000 pixels which means 4096*2160 pixels, also names DCI 4K (DCI: Digital Cinema Initiatives). You know that the Blu-ray and DVD discs are easy to get damaged or scratched, so you'd better make backup copies of Blu-ray/DVD discs. Blu-ray disc type is various, so the storage power is various too. It is capable of storing several hours of video in Full-High-Definition (1920×1080) and Ultra-High-Definition (3840×2160). Quickly Know What Are Blu-ray, 4K, and UHD # Blu-ray:īlu-ray is a digital optical disc data storage format which is the successor to DVD. Quickly Know What Are Blu-ray, 4K, and UHDĢ.

4k streaming vs 4k disc