Screen Resolution Comparison
Compare all standard screen resolutions from HD (720p) to 8K. Understand pixel counts, aspect ratios, megapixels, and the best use cases for each resolution standard.
Quick Reference Table
| Name | Common Term | Resolution | Aspect Ratio | Megapixels | Pixels vs 1080p |
|---|---|---|---|---|---|
| HD | 720p | 1280×720 | 16:9 | 0.92 MP | 44% |
| Full HD | FHD / 1080p | 1920×1080 | 16:9 | 2.07 MP | 100% (baseline) |
| Quad HD | QHD / 1440p / 2K | 2560×1440 | 16:9 | 3.69 MP | 178% |
| Ultra HD | 4K UHD / 2160p | 3840×2160 | 16:9 | 8.29 MP | 400% |
| Cinema 4K | DCI 4K | 4096×2160 | ~17:9 | 8.85 MP | 427% |
| 5K | 5K / UHD+ | 5120×2880 | 16:9 | 14.75 MP | 711% |
| 8K | 8K UHD / 4320p | 7680×4320 | 16:9 | 33.18 MP | 1600% |
Standard Resolutions Explained
HD (720p)
Full HD (1080p)
Quad HD (1440p)
4K UHD (2160p)
Cinema 4K (DCI 4K)
5K UHD+
8K UHD (4320p)
Resolution Comparison by Use Case
| Use Case | Recommended Resolution | Monitor Size | Reasoning |
|---|---|---|---|
| Office Work / Web Browsing | 1080p (Full HD) | 24-27" | Sufficient clarity, good performance, affordable |
| Competitive Gaming | 1080p or 1440p | 24-27" | High frame rates (144Hz+), responsive gameplay |
| Immersive Gaming | 1440p or 4K | 27-32" | Visual quality prioritized, 60-120 FPS target |
| Photo Editing | 4K or 5K | 27-32" | High pixel density, accurate detail rendering |
| Video Editing (4K content) | 4K or higher | 27-32" | 1:1 preview of 4K footage, timeline precision |
| Graphic Design / UI/UX | 4K or 5K | 27-32" | Sharp text, accurate scaling, detail work |
| 3D Modeling / CAD | 1440p or 4K | 27-32" | Fine detail visibility, workspace for palettes |
| Home Theater / TV (living room) | 4K or 8K | 55-85" | Viewing distance 6-12 ft, streaming/Blu-ray content |
| Budget / Entry Level | 1080p | 22-24" | Cost-effective, widely supported, low GPU requirements |
Understanding Resolution Terminology
Vertical Lines (p) vs Total Pixels (K)
Resolution naming can be confusing because two naming conventions coexist:
- "p" notation (720p, 1080p, 1440p, 2160p): Refers to the vertical pixel count. For example, 1080p means 1080 vertical lines of pixels.
- "K" notation (2K, 4K, 5K, 8K): Refers to the approximate horizontal pixel count in thousands. For example, 4K ≈ 4000 horizontal pixels (3840 pixels exactly for UHD).
Pixel Density (PPI)
Resolution alone doesn't determine sharpness—pixel density (pixels per inch) matters too:
- 24" 1080p: ~92 PPI (adequate)
- 27" 1440p: ~109 PPI (sharp)
- 27" 4K: ~163 PPI (very sharp, Retina-class)
- 32" 4K: ~138 PPI (sharp)
Higher PPI means sharper text and images, but also smaller UI elements without scaling.
Aspect Ratios
Most modern resolutions use a 16:9 aspect ratio (widescreen), but alternatives exist:
- 16:9: Standard for TVs, monitors, laptops (1080p, 1440p, 4K, 8K)
- 16:10: Slightly taller, popular for productivity (1920×1200, 2560×1600)
- 21:9: Ultra-wide monitors (2560×1080, 3440×1440, 5120×2160)
- 32:9: Super ultra-wide (5120×1440, dual 16:9 side-by-side)
Viewing Distance Recommendations
Optimal viewing distance varies by resolution and screen size. Here are general guidelines:
| Screen Size | 1080p Distance | 1440p Distance | 4K Distance |
|---|---|---|---|
| 24" | 3.0 feet | 2.3 feet | 1.5 feet |
| 27" | 3.4 feet | 2.6 feet | 1.7 feet |
| 32" | 4.0 feet | 3.1 feet | 2.0 feet |
| 55" (TV) | 6.9 feet | 5.3 feet | 3.4 feet |
| 65" (TV) | 8.1 feet | 6.3 feet | 4.1 feet |
| 77" (TV) | 9.6 feet | 7.4 feet | 4.8 feet |
GPU & Performance Considerations
Higher resolutions require significantly more graphics processing power:
Gaming Performance Impact
- 1080p → 1440p: ~40-60% performance decrease (78% more pixels)
- 1440p → 4K: ~50-70% performance decrease (125% more pixels)
- 1080p → 4K: ~60-75% performance decrease (300% more pixels)
Example: A game running at 120 FPS on 1080p might only achieve 30-40 FPS at 4K with the same settings.
- 1080p Gaming: Mid-range GPU (e.g., RTX 4060, RX 7600)
- 1440p Gaming: Upper mid-range GPU (e.g., RTX 4070, RX 7800 XT)
- 4K Gaming: High-end GPU (e.g., RTX 4080/4090, RX 7900 XTX)
- 8K Gaming: Multi-GPU setup or wait for future generations