| Metric | AVG/Avast Server Edition | Microsoft Defender (Built-in) | Paid Enterprise (e.g., Bitdefender GravityZone) | | --- | --- | --- | --- | | | 1-3% | <1% | 0.5-2% | | CPU usage during full scan | 30-60% | 20-40% | 15-35% | | RAM usage | 150-250 MB | 100-150 MB | 100-300 MB | | Disk I/O impact | Moderate (can slow file servers) | Low | Low (optimized) | | Boot time delay | +10-15 seconds | +5 seconds | +5-10 seconds |
| Software | Starting Price (per server/year) | Free Trial | Best For | | --- | --- | --- | --- | | | $3/user/month (included with M365) | 30 days | Organizations already in Microsoft 365 | | Bitdefender GravityZone Business Security | $38.99 | 30 days | Performance-sensitive environments | | Sophos Intercept X for Server | $50 | 30 days | Ransomware-heavy threat landscapes | | Avast Business Antivirus for Server (successor to AVG) | $44.99 | 30 days | Current AVG users needing continuity | | Kaspersky Endpoint Security for Server | $45 | 30 days | Advanced anti-APT features | avg antivirus server edition free download