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Compare and convert display resolutions from HD to 8K
| Name | Resolution | Megapixels | Aspect Ratio | Common Use |
|---|---|---|---|---|
| 480p (SD) | 640×480 | 0.31 MP | 4:3 | Legacy/DVD |
| 720p (HD) | 1280×720 | 0.92 MP | 16:9 | HD TV |
| 1080p (Full HD) | 1920×1080 | 2.07 MP | 16:9 | Standard HD |
| 1440p (2K/QHD) | 2560×1440 | 3.69 MP | 16:9 | Gaming |
| 4K UHD | 3840×2160 | 8.29 MP | 16:9 | Premium TV |
| 5K | 5120×2880 | 14.75 MP | 16:9 | Pro Display |
| 8K UHD | 7680×4320 | 33.18 MP | 16:9 | Ultra Premium |
| WQHD | 2560×1440 | 3.69 MP | 16:9 | Monitors |
| UWQHD | 3440×1440 | 4.95 MP | 21:9 | Ultrawide |
| Dual QHD | 5120×1440 | 7.37 MP | 32:9 | Super Ultrawide |
| DCI 4K | 4096×2160 | 8.85 MP | 1.9:1 | Cinema |
Screen resolution refers to the number of pixels displayed on a screen, expressed as width × height (e.g., 1920×1080). Higher resolutions contain more pixels, providing sharper, more detailed images. The resolution determines the amount of visual information that can be displayed and directly affects image quality, clarity, and the level of detail visible on the screen.
Modern displays range from HD (720p) to 8K UHD, with each step up significantly increasing pixel count. Full HD (1080p) has been the standard for years, but 4K (2160p) is becoming increasingly common for TVs, monitors, and content creation. Understanding resolution is essential for choosing displays, creating content, and ensuring optimal viewing experiences across different devices.
Total Pixels = Width × HeightExample: 1920 × 1080 = 2,073,600 pixels (2.07 megapixels)
Megapixels = (Width × Height) ÷ 1,000,000Example: 4K: (3840 × 2160) ÷ 1,000,000 = 8.29 MP
PPI = √(width² + height²) ÷ diagonal inchesExample: 27" 4K monitor: √(3840² + 2160²) ÷ 27 ≈ 163 PPI
Note: Higher resolution doesn't always mean better viewing experience. Consider screen size, viewing distance, and content type when choosing displays.
4K (3840×2160) has exactly 4 times as many pixels as 1080p (1920×1080). This results in significantly sharper images with more detail, especially noticeable on larger screens.
Yes, 1440p (2560×1440) is commonly called 2K or QHD (Quad HD). It offers approximately 1.8 times more pixels than 1080p and is popular for gaming monitors.
HD (High Definition) is 720p (1280×720). Full HD is 1080p (1920×1080). Ultra HD (UHD) refers to 4K and 8K resolutions.
Not always. Quality depends on screen size, viewing distance, and source content quality. A 1080p image on a small screen can look sharper than a 4K image on a massive display from close viewing distance.
1440p (QHD) offers the best balance between visual quality and performance for most gamers. 4K provides stunning visuals but requires more powerful hardware.
8K (7680×4320) has 4 times as many pixels as 4K. However, the difference is less noticeable to the human eye unless viewing very large screens from close distances.
DCI 4K (4096×2160) is the cinema standard with a 1.9:1 aspect ratio. UHD 4K (3840×2160) is the consumer standard with 16:9 aspect ratio, commonly used in TVs and monitors.