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Created February 9, 2025 18:19
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Display Resolutions
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Display_Resolutions.md

Display Resolutions

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Disclaimer: ChatGPT generated document.

The terms 1080p, 1440p, 2K, 4K, and 8K refer to display resolutions, which describe the number of pixels on a screen. Higher resolution means more pixels, resulting in sharper images. Here’s what each of these resolutions means:

1. 1080p (Full HD)

  • Resolution: 1920 × 1080 pixels
  • Description: "Full HD" or "1080p" is one of the most common display resolutions. The "p" stands for progressive scan, meaning the image is drawn sequentially. It’s used in many TVs, monitors, and video content.
  • Aspect Ratio: 16:9 (widescreen)
  • Total Pixels: ~2.07 million pixels

2. 1440p (Quad HD or QHD)

  • Resolution: 2560 × 1440 pixels
  • Description: Known as Quad HD (QHD) because it’s four times the resolution of 720p HD. It offers sharper visuals than 1080p and is popular for gaming monitors and smartphones.
  • Aspect Ratio: 16:9
  • Total Pixels: ~3.69 million pixels

3. 2K

  • Resolution: 2048 × 1080 pixels
  • Description: 2K refers to resolutions with a horizontal count of around 2000 pixels. It’s slightly wider than 1080p, often used in cinema projection. The term "2K" is less common for consumer devices, which more often use 1080p or 1440p.
  • Aspect Ratio: Roughly 17:9 for cinema
  • Total Pixels: ~2.2 million pixels

4. 4K (Ultra HD or UHD)

  • Resolution: 3840 × 2160 pixels (consumer) or 4096 × 2160 pixels (cinema)
  • Description: 4K has four times the number of pixels as 1080p, delivering much sharper images. The term Ultra HD (UHD) is typically used for 3840 × 2160 displays, common in TVs and monitors, while 4096 × 2160 is used in cinema.
  • Aspect Ratio: 16:9 (consumer) or 17:9 (cinema)
  • Total Pixels: ~8.3 million (3840 × 2160) or ~8.8 million (4096 × 2160)

5. 8K

  • Resolution: 7680 × 4320 pixels
  • Description: 8K is the next leap in resolution, offering 16 times the pixels of 1080p. It’s extremely sharp but requires very high processing power and is mostly used in high-end TVs or special applications like digital signage and advanced video editing.
  • Aspect Ratio: 16:9
  • Total Pixels: ~33.2 million pixels

6. 5K

  • Resolution: 5120 × 2880 pixels
  • Description: 5K is used mainly in large monitors, such as some iMacs and professional displays. It provides more screen space for professional work (e.g., video editing).
  • Aspect Ratio: 16:9
  • Total Pixels: ~14.7 million pixels

7. 10K, 16K

  • 10K: 10240 × 4320 pixels
  • 16K: 15360 × 8640 pixels
  • These resolutions are mostly experimental or used in specialized environments like large-scale displays or simulations. They are extremely demanding in terms of hardware.

Summary of Key Points:

  • 1080p (Full HD): Common for general use (TVs, monitors).
  • 1440p (QHD): Higher quality, popular in gaming and smartphones.
  • 4K (UHD): Very sharp, mainstream in TVs, monitors, and content creation.
  • 8K: Ultra high-end, limited content available, and used in premium displays.

Higher resolutions mean more detail, but they also require more powerful hardware for smooth performance.

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