Microsoft Defender Antivirus vs Bitdefender Total Security
A side-by-side look at protection, performance, price, and features for Microsoft Defender Antivirus and Bitdefender Total Security.
| Microsoft Defender Antivirus | Bitdefender Total Security | |
|---|---|---|
| Overall score | 7.6/10 | 9.8/10 |
| Protection rate | 97% | 100% |
| Performance impact | 99% | 98% |
| Price | Free (built into Windows) | $29.99/yr (Total Security, 5 devices) |
| Platforms | Windows | Windows, Mac, Android, iOS |
| Best for | Home | Home, Business |
| Free plan | ✓ | ✓ |
| Real-time protection | ✓ | ✓ |
| VPN included | – | ✓ |
| Password manager | – | ✓ |
| Support | Microsoft support documentation and community forums | 24/7 live chat, email, and phone |