| Feature | 720p | 1080p | 4K | |---------|------|-------|----| | File size (approx. per hour) | 1–2 GB | 3–5 GB | 15–25 GB | | Bandwidth required | Moderate | High | Very high | | Storage space | Low | Medium | High | | Visual quality on small screens (laptop, tablet) | Excellent | Better | Overkill | | Playback on older devices | Smooth | May lag | Often unsupported |