3440 x 1440 vs. 4K: What Are The Differences?

Here, we’ll be discussing the features that make both resolutions different from each other.


While both classify as higher-quality resolutions, there is still a significant difference between them.

UltraWide resolution typically has almost 5 million pixels, while 4K has over 8 million pixels in its resolution – UltraWide resolution has approximately 60% of the pixel count of the 4K. This means that displays from 4K will be of better quality than that of 3440 x 1440.

Size and aspect ratio:

As implied in the name, the UltraWide resolution, with its 21:9 aspect ratio, is wider than the standard screen width found in 4K’s 16:9.


Generally, 4K monitors tend to be cheaper than 3440 x 1440 monitors because they are widely available and because UltraWide resolutions have bigger screens.

Refresh rate:

Screens with ultra-wide resolution typically have a higher refresh rate than most, so you have a smoother screen experience when gaming or working with an ultra-wide screen.

Content compatibility:

Since not all software or games are suited for the wider aspect ratio, UltraWide monitors can occasionally cause compatibility issues with specific apps. On UltraWide panels, some programs might not scale or display content correctly. On the other hand, most contemporary applications and media content are widely supported and compatible with 4K resolution.

Immersion vs. detail:

UltraWide resolution offers a more immersive gaming and movie experience due to its wider field of view, making you feel you are in the thick of the action. On the other hand, 4K offers sharper details and vivid colors due to a higher pixel count.

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