UHD Vs 4K: Is 4K the Same as UHD

Is 4K the same as UHD? You may find yourself asking this question. This article will help you to find out UHD vs 4K which is better by diving deeper into their details.

UHD (Ultra High Definition) and 4K are often considered synonymous, representing a resolution standard with a significant increase in pixel count compared to Full HD, i.e., 1080p. However, UHD and 4K have come to mean the same thing for the average consumer and are used interchangeably, particularly regarding televisions and consumer media content. Let us find out, UHD vs 4K which is better and which one to choose. 

What is UHD?

UHD, or Ultra High Definition, is a broadcast standard for consumer display. UHD enables you to have a high-quality picture. It quadruples the Full HD resolution by four times to 3840 x 2160. It is used in TV advertisements primarily as most modern devices are equipped with UHD capabilities, ensuring an immersive viewing experience. 

What is 4K?

If you wonder what is the resolution of 4K, you must know that 4K originally stemmed from professional production and cinema standards. It has a video resolution of 4096 x 2160, a bit wider than UHD. 4K is generally used in the consumer market and has a horizontal resolution of approximately 4,000 pixels. In 4K, ‘K’ stands for kilo, which means a thousand.

Difference Between 4K and UHD

There is not much difference in UHD vs 4K. These terms differ solely on the market. Vertical markets may separate them with different resolutions. However, in the display market, both 4K and UHD have the same resolution, i.e., 3840 x 2160. 

Due to the difference in projectors, the digital cinema differentiates between 4K and UHD. Typically, 4K has a different resolution for the digital cinema market, like 4096 x 2160, and is 256 pixels wider than available UHD options in this market.

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What Should You Choose: UHD or 4K? 

It does not matter which one you opt for in a bid of 4K UHD vs 4K HDR. Whether you choose 4K or HDR, both offer the same resolutions for the digital market. However, the main difference in resolutions appears in the cinema industry. It depends on the directors and producers to choose one between the two. However, as a consumer, you can blindly pick any. 

While major OTT platforms like Amazon Prime, Netflix, Hulu, etc., offer their on-demand videos in 4K, there may be a limit to what can be consumed in 4K. So you would not have a 4K viewing experience at all times. 

How to Enlarge 4K UHD Videos with UniFab Video Upscaler AI

UniFab Video Upscaler AI assists users with powerful AI technology to enlarge video resolution up to 4K quality. It analyzes and recognizes all kinds of videos, such as homemade videos, low-resolution shows, classic/old movies, animations, etc., with its deep learning algorithms to enhance clarity and quality. Besides enlarging video in up to 4K, it can enlarge your video clips based on the original resolution by twice as much.

Key Features 

  • It gives enhanced video clarity and quality 
  • Quickly enlarges video resolution up to 4K
  • Enhance video quality for all types of videos
  • Straightforward interface for beginners 
  • 50x faster enhancement speed

Step By Step Guide

Step 1: Launch UniFab and pick the Enlarger mode in the left pane. 

Step 2: Add your video to be enhanced. 

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Step 3: Adjust the output parameters like quality, format, and resolution, etc. 

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Step 4: Touch the Start button to edit the video file. 

How to Get the 4K UHD Videos With Upscaled HDR Effect

UniFab HDR Upscaler AI is another wonderful tool equipped with an AI algorithm to upgrade your low-quality SDR videos to HDR10 and Dolby Vision and enhance video quality. It enables a better viewing experience, be it your nature photography, a scene with special effects, night photography, etc. A maximized video quality delivers an unparalleled viewing experience by fine-tuning various parameters like brightness, color saturation, and other details tailored to the content. 

Key Features 

  • Upscale your SDR video files file to HDR10/Dolby Vision 
  • Video modes for better viewing 
  • Color spaces for excellent display effects 
  • The speedy upscale process with GPU acceleration 
  • Video trimming and editing capability  

Step By Step Guide

Step 1: Double-click and launch UniFab. Select the HDR Upscaler mode from the left section. 


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Step 2: Add your video to be upscaled. 


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Step 3: Custom-make the video parameters like quality, format, subtitles, audio, etc. 


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Step 4: Touch the Start button to upscale your video at rapid speed. 

Comparison between native methods and UniFab Enlarger AI Method

AI enlarger tools differ from Traditional enlarger tools in almost all aspects. When it comes to UniFab Enlarger AI, it can be your best choice. 

Comparison BasisUniFab Enlarger AITraditional/Native Methods
Ease of UseUser-friendly Simple process
Upscale Method Uses deep learning algorithm Improves low-res images to higher resolutions 
Quality of Frames 

Lossless and original 

(enhances up to 2x)

Blurry output 
Pixels No big squares when enlarging Images appear like big squares 
Detail and ClarityEnhances frames with precision without disturbing the clarityLoses sharpness and other minor details 
Enlarge SpeedGPU Accelerated 50x fasterSlow and laggy
Customization Allows to customize output parametersDoes not have full control over the enlarged image
Built-in Video Editor Yes No 
Overall OuputEnlarges pictures with precision, clarity, and sharpness Only enlarges video images without sharpness or clarity


Q. What is the best way to enlarge 4K UHD videos?

UniFab Video Upscaler AI is equipped with deep learning algorithms to enlarge your videos and enhance their clarity and quality. 

Q. What is better 4K or UHD? 

Both 4K and UHD provide excellent resolutions. However, 4K has the highest possible picture quality. So you can choose a 4K unit with 4096 x 2160 resolution. 

Q. How do I know if my TV is UHD or 4K?

Check the settings of your TV’s resolution. You can also check its model number and look up the specifications online.  

The Bottom Line

UHD vs 4K, feel free to choose any for optimal viewing experience. The only basic difference lies in the respective markets: Cinema and display. So, if you are into film line, directing, and producing, you may stress a bit about picking the perfect one; otherwise, as a consumer, both offer high-quality images. So it won’t matter whether you settle for 4K or UHD.  

As an avid enthusiast of software testing, AI, and tech, I bring a fervent zeal for precision and innovation to my editorials. With a love for ping pong and badminton, and a passion for exploring new horizons through travel, I live by the maxim "Done is good." My articles aim to serve as your trusty compass in the fast-evolving tech landscape.