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Avast! 25.12
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Avast vs Avg - Avast!

Avast and AVG are two completely different antivirus companies—AVG doesn't exist as a standalone product anymore, having been acquired and folded into Avast's portfolio years ago. So when you're asking avast vs avg, you're really comparing Avast's current offering against what AVG used to be, which makes this comparison a bit of a historical one.

Here's the actual situation: Avast bought AVG in 2016, and the two brands now operate under the same parent company. AVG still exists as a brand with its own interface and marketing, but the underlying engine, virus definitions, and core protection come from the same source. If you're choosing between them today, you're picking a brand experience, not fundamentally different protection levels.

Avast vs AVG: The Real Difference

What Each One Offers

Avast 25.12 delivers both free and premium tiers on Windows. The free version includes real-time protection, virus scanning, and a web shield to block malicious sites before you land on them. Understanding Avast's free antivirus capabilities shows you exactly what you get without paying. The premium tier adds firewall protection, ransomware protection, Wi-Fi security monitoring, and a password manager—features AVG's paid versions also include since they share the same tech.

AVG's free antivirus provides similar baseline protection: real-time scanning, email security basics, and behavioral analysis to catch new threats. The paid AVG Internet Security version mirrors Avast premium security in functionality, bundling in firewall, sandbox technology, and browser cleanup tools.

Performance and System Impact

Here's where they start to diverge slightly. Avast's free version is heavier on system resources than AVG Free—it'll use noticeably more RAM during scans and real-time monitoring. If you're running an older machine or a laptop with limited specs, AVG might feel snappier. Avira and ESET Internet Security both claim lighter footprints, though neither are dramatically different when you're actually using them.

The scanning speed difference is negligible between the two. Both take roughly 30-45 minutes for a full system scan on a typical Windows installation.

Feature Breakdown

FeatureAvast FreeAVG Free
Real-time Protection
Web Shield
Email SecurityLimitedLimited
FirewallPremium onlyPremium only
Ransomware ProtectionPremium onlyPremium only
Password ManagerPremium onlyPremium only
Pro Tip: Both Avast and AVG let you schedule scans to run at 2 AM (or whenever you want). Find this in Settings → Scan → Scheduling. Run it when you're asleep, and your machine won't slow down during work hours.

When to Pick Each One

Choose Avast if you want a cleaner interface and don't mind the extra resource usage—the dashboard is genuinely intuitive. Go with AVG if you've got an older PC or prefer the AVG brand's look and feel. Neither choice is wrong; both get the job done.

For those wanting a third option, Malwarebytes Anti-Malware works alongside your antivirus as a secondary layer specifically for sneakier malware. ESET Internet Security is another solid alternative if you want something light and effective without the brand loyalty question.

The bottom line on avast vs avg: you're essentially getting the same protection engine with different skins. Avast's free tier has slightly better features (web shield is more aggressive), but AVG Free is leaner on resources. Neither will cost you anything to try, so download both, run them for a week, and see which interface you prefer living with.