I've found Kaspersky to be fairly light on resources see specs click here
Running task manager on my Vista system with 4Gb Ram it shows Kasperky as using just under 3000k in idle and around 17000k when the application is open.
Galaxy Note 8 vs iPhone X
Aardman's new YouTube channel to share the work of independent animators
iPhone X vs Samsung Galaxy Note 8
Les meilleurs navigateurs internet 2017