Spyware Blockers has recently (June 2008) done extensive internal research into the performance and resource utilization of the most sold consumer antivirus products on the market. The charts below show the results of this comparison. The test configuration and the specific versions of the software are listed at the end of this chart. The tests were done as objectively as possible and all products in this comparison were purchased on the retail market, immediately before the test.
The numbers tell the story. Spyware Blockers in many cases uses less than half of the resources of the competition, and still has the highest scan speed of all.

Spyware Blockers used less than 1% memory resources with real-time protection running in the background.
Legend across x-axis: Memory usage percentage

Spyware Blockers used only 67.3 MB RAM during a manual scan.
Legend across x-axis: Megabytes

Spyware Blockers only uses 60% of CPU resources during a manual scan.
Legend across x-axis: CPU percentage

Spyware Blockers scans nearly 8 MB per second.
Legend across x-axis: Megabytes per second
Test Computer Configuration
2.4 GHz Intel Celeron Processor
1.0 GB RAM
74.4 GB Western Digital hard drive
58.5 GB C: drive, 6.30 GB used before installing AV product
Software Configuration
Windows XP SP2 with MS Office
(Access, Excel, InfoPath, Outlook, PowerPoint, Project, Publisher, Visio, Word)
| Vendor | Version |
|---|---|
| BitDefender | 7.19810 |
| ESET NOD32 | 3.0.642.0 |
| Kaspersky | 7.0.1.325 |
| McAfee | Virus: 12.1.110, Security Center: 8.1.173 |
| Norton AntiVirus 2008 | SKU: 12567465 |
| Panda AV 2008 | 3.01.00 |
| PC Tools | Product: 5.5.1.322, AV Engine: 5.5.1.2 |
| Trend Micro | Product: 16.1031079, Engine: 8.710.1002, Pattern: 5.379.50 |
| Webroot | 5.5.7, Build 124 |
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