Resolução 4K/8K comparada
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
MP
About this calculator
Image resolution is measured in megapixels (MP), with more megapixels indicating a higher-quality image. 4K resolution corresponds to 3840 x 2160 pixels, while 8K resolution corresponds to 7680 x 4320 pixels.
A 4K image has approximately 8.3 megapixels, while an 8K image has approximately 33 megapixels. This means that the 8K image has a four times higher resolution than the 4K image.
When choosing between 4K and 8K resolutions, it's essential to consider how the image will be used. If the image will be printed or displayed on a large screen, 8K resolution may be more suitable. If the image will be viewed on a mobile device or small screen, 4K resolution may be sufficient.
Additionally, it's worth remembering that image quality also depends on the quality of the capture equipment and the technique used. For instance, a high-quality camera can capture a 4K image that is superior to an 8K image captured with a low-quality camera.
Frequently asked questions
What is image resolution?
Image resolution is measured in megapixels (MP), indicating the quality of the image. More megapixels mean a higher-quality image.
What is the difference between 4K and 8K resolution?
8K resolution has a four times higher quality than 4K resolution. This is due to the higher number of pixels in the 8K image.
When to choose between 4K and 8K resolution?
The choice depends on how the image will be used. If the image will be printed or displayed on a large screen, 8K resolution is more suitable. If the image will be viewed on a mobile device or small screen, 4K resolution is sufficient.
What affects image quality?
In addition to resolution, image quality also depends on the quality of the capture equipment and the technique used.
Can I capture an 8K image with a low-quality camera?
Yes, but the image quality may not be excellent. A high-quality camera is necessary to capture an 8K image of high quality.