Many people still underestimate how big the jump from 480p to 720p really is. It’s not just about numbers — it’s about clarity, texture, and overall viewing experience.
Here’s a quick breakdown 
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480p (SD) → 640×480 pixels. Good for smaller screens or slow connections, but looks blurry when stretched.
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720p (HD) → 1280×720 pixels. Nearly twice the pixel count, giving smoother edges, cleaner motion, and sharper visuals.
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Bandwidth → 480p uses about 1 Mbps, while 720p needs around 3–5 Mbps.
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Best Use Case → 480p for old devices or low data plans; 720p for streaming, YouTube, or HD playback.
The quality gap is visible even to the casual eye — faces, text, and details pop more in 720p.
If you’ve ever wondered why older clips feel “flat,” this is why.
How to Upscale 480p Videos to 720p Using AI
If you’ve got old 480p videos that look soft or pixelated, you don’t have to settle for low quality anymore.
Modern AI tools can upscale them to 720p HD — not by stretching pixels, but by rebuilding lost details.
Here’s how it works:
AI models analyze each frame, recognize faces, edges, and textures, then intelligently fill in missing information.
The result? Sharper lines, richer color, and smoother motion — as if the footage was originally shot in HD.
One solid tool for this is HitPaw VikPea, which:
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Enhances 480p to 720p, 1080p, or even 4K
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Removes noise & blur automatically
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Offers dedicated AI models for people, animation, or general footage
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Lets you preview the upgrade in real time
Perfect for restoring old videos, upgrading YouTube content, or simply improving visual quality.
Full guide here:https://www.hitpaw.com/hd-tips/480p-vs-720p.html