1440p (QHD) vs 4K (UHD) Resolution

1440p and 4K both use the 16:9 widescreen ratio. 4K UHD has exactly 4 times the pixels of 1080p and 2.25 times the pixels of 1440p, offering unmatched clarity at the expense of high GPU rendering loads.

1440p QHD

1440p QHD (16:9)
1920 x 108016:9 (1.778:1)
Scale Ratio: 1.7778Orientation: Landscape

4K UHD

4K UHD (16:9)
1920 x 108016:9 (1.778:1)
Scale Ratio: 1.7778Orientation: Landscape

Side-by-Side Specification Matrix

Feature / Spec1440p QHD4K UHD
Pixel Dimensions2560 x 14403840 x 2160
Total Pixel Count3,686,400 pixels8,294,400 pixels
Aspect Ratio16:916:9
Pixel Density (32" Monitor)91 PPI138 PPI (Ultra-sharp)
GPU RequirementMedium to HighTop-tier High End GPU required

1440p QHD Breakdown

PROS

  • ✓ Easier to achieve high 120Hz-165Hz framerates in modern AAA games
  • ✓ Excellent pixel density for 27-inch monitors
  • ✓ More affordable high-refresh rate monitors

CONS

  • ✕ Slightly lower fine detail than 4K on 32-inch or larger displays

4K UHD Breakdown

PROS

  • ✓ Incredible razor-sharp detail for 32-inch+ screens and large TVs
  • ✓ Native playback for 4K video content on YouTube, Netflix, and Blu-ray
  • ✓ Maximum desktop workspace real estate

CONS

  • ✕ Very demanding GPU rendering power needed for high-fps 4K gaming
  • ✕ Higher display cost

Which Should You Choose?

Choose 1440p QHD If:

  • →You prioritize high framerates (144FPS+) in competitive PC games
  • →You use a 27-inch monitor

Choose 4K UHD If:

  • →You work with 4K video editing, CAD design, or high-res photography
  • →You play immersive games on a 32-inch display or TV with a flagship GPU

Comparison FAQs

How many pixels is 4K compared to 1440p?

4K (8.29 million pixels) has 2.25 times as many pixels as 1440p (3.68 million pixels).