My notebook can't play games without lagging

MERGED QUESTION
Question from charukaetam123 : "What has happened"

I have a hp notebook which has
AMD A9 processor
8Gb ram
Amd r5 Graphics 2gb
Windows 10
But cannot even run sprintercell conviction without lagging
 
MERGED QUESTION
Question from charukaetam123 : "Amd a9 r5"



because the gpu /cpu is weak.