Bitdefender Total Security wins — Bitdefender Total Security outperforms Microsoft Defender Antivirus in detection rates and feature depth according to AV…
Scores: Microsoft Defender Antivirus 7.5/10 · Bitdefender Total Security 8.5/10
Bitdefender Total Security outperforms Microsoft Defender Antivirus in detection rates and feature depth according to AV-Test and CNET reviews, scoring perfect malware blocking while adding a VPN and multi-platform support. Microsoft Defender Antivirus remains a strong free alternative with minimal impact per Notebookcheck-style benchmarks and seamless Windows integration. For most users seekin...
| Microsoft Defender Antivirus | Bitdefender Total Security | |
|---|---|---|
| malware_detection | 99.8% (per AV-Test latest) | 100% (per AV-Test latest) |
| extra_features | Basic ransomware protection and firewall | VPN, password manager, anti-theft and parental controls |
| performance_impact | Minimal CPU usage | Moderate CPU usage during scans |
| supported_platforms | Windows only | Windows, macOS, Android, iOS |
Our pick: Bitdefender Total Security. It edges out the alternative on top-tier detection rates across independent tests. That said, Microsoft Defender Antivirus still wins on completely free and built into windows — consider it if that single trade matters most for your use.