"Blu-ray vs 4K, what's the difference between Blu-ray and 4K?", most people post such question on various forums to distinguish these two high definition format. In this article, we will focus on the topic and make clear the differences in the quality, resolution, compatibility, and price of Blu-ray and 4K.

Related Guide

How Can I Download Video in 4K UHD Resolution

Best Way to Rip/Convert Blu-ray Movies to MP4/MKV

Quickly Know What Are Blu-ray and 4K

Before figuring out the difference between Blu-ray and 4K, we need to know the definitions of them:

Blu-ray is a digital optical disc data storage format which is capable of storing several hours of video in high-definition (HDTV 720p and 1080p) and ultra high-definition resolution (2160p). It is the successor to DVD and that's to say, it is better than DVD.

4K, refers to a horizontal screen display resolution in the order of 4,000 pixels. Different fields of digital television and digital cinematography require different 4K resolutions. In television and consumer media, 3840× 2160 (4K UHD) is the dominant 4K standard. In the movie projection industry, 4096×2160 (DCI 4K) is the dominant 4K standard.

After knowing the definition of Blu-ray and 4K, a question presents: Is 4K Better than Blu-ray? So, to get the answer, just move on and keep reading.

4K vs Blu-ray: Comparison of Resolution & Compatibility & Storage & Price

The resolution is the core of the battle between Blu-ray and 4K. But it is not the single factor that we want to discuss. So we will also talk about the difference in compatibility, storage, and price in detail.


From the definition, we know that Blu-ray discs can hold up to 1080p resolution (1920×1080 pixels), at up to 60 (59.94) frame rate. It is undoubtedly suitable for HDTV display.

4K UHD, which supports resolutions up to 3840 x 2160 must be the only winner in the 4K vs Blu-ray war. You know that the resolution depends on the size and distance of the television, due to the limitation of the human eye. But, you still can feel more subtle differences from the visual.


You know that the common TV (SDTV) only display up to 480 lines of resolution, so watching Blu-ray disc on SDTV is a waste of resolution and money. If you have an HDTV, it's better to enjoy Blu-ray movies on it. As for the 4K content, you can only get the extraordinary visual experience with the 4K TV or Ultra HD Blu-ray player.

You can easily to get a Blu-ray player to play your Blu-ray disc. However, 4K UHD is not good at the compatibility because you must need a 4K TV to get perfect video watching experience.

Storage or Capacity

There are two main types of recordable Blu-ray discs: single-layer and dual-layer. Single-layer discs have a rated capacity of 25 gigabytes while dual-layer discs have a capacity of 50 gigabytes. However, Ultra HD 4K can hold between 66 to 100GB data which is far beyond Blu-ray disc. 4K has an edge in the war of 4K Ultra HD vs Blu-ray.

Price or Cost

For the price, you can get a regular DVD movie with $14.99 cost on some sites like Google Play, VUDU, Amazon, etc. However, the Blu-ray disc will be more expensive than DVD even the HD DVD. As we stated before, people need to pay extra $5 to $10 for the Blu-ray version. Now the 4K content is still infancy. You can free download some 4K video from YouTube, pay for up to $99/year Prime subscription price on Netflix, or buy a 4K Ultra Blu-ray disc.

Fresh Tip: To get more 4K contents, you can try to convert 1080p or other videos to 4K with VideoSolo Video Converter Ultimate.

Overview of Difference Between Blu-ray and 4K




1920×1080 (1080p)

4096×2160 or 3840×2160



66 to 100GB

 Laser Type

405nm (blue laser)


 Video Codecs


 HEVC and VP9

Region Codes

3 region codes


4K Ultra HD Blu-ray discs have creeped into Amazon, Best Buy, and anywhere else you can buy physical media. The discs are able to store Ultra high-definition (UHD, or 4K) video in addition to advanced surround sound formats like Dolby Atmos. And it means you need an Ultra HD Blu-ray player to play Ultra HD Blu-ray discs. Because an Ultra HD Blu-ray disc can't be opened with non-Ultra HD Blu-ray player.

External Tips: Easily Play Blu-ray on Multiple Devices

• Play Blu-ray Disc on Computer

The simple tip we want to show you is how to play Blu-ray disc on Windows or Mac with VideoSolo Blu-Ray Player which is one of the best Blu-ray players. It enables you to play Blu-ray disc, Blu-ray ISO image and Blu-ray folder with 3 steps. If it's necessary, you can download and take a try.

How to Play Blu-ray Disc on Computer

How to Play Blu-ray Disc on MacBook Pro

• Rip Blu-ray to Multiple Devices

If you want to play Blu-ray on any of your devices without Blu-ray disc drive needed, you can rip Blu-ray to the usual format, such as MP4, 3GP, and MKV. VideoSolo BD-DVD Ripper is able to help you convert any Blu-ray to over 300 video formats without quality loss. It presets almost all popular media devices as the output format, which allows you to convert Blu-ray to a specific device directly. It also can act as a professional DVD ripper to help you rip commercial and home-made DVD.