Av & IS differences in Resource Use

hi

 

I have query regarding resources used but Norton IS and Av.

 

i want to know whether IS uses almost same resources or more than AV ... obviously IS has more faetures but when u boot you still see 2 symantec resorces ... also not major diffrence is observed b/w two 

 

 

so is there any resouce use difference b/w 2 products or same.

 

i want to know beacuse if IS uses almost same resouce then it appears more useful as you have firewall too in it + more features