hello
try this lunch options will help you to get more fps and a good craphiqe
-novid (Removes Valve Video at start of game)
-tickrate 128 (Max tickrate)
-high (Sets CS:GO to High Priority)
-threads "x" (Fill in the amount of Cores your CPU has)
+mat_queue_mode 2 (May increase fps for some PCs)
-freq (Insert Monitors Refresh Rate)
+cl_forcepreload 1 (Will preload maps for smooth gamplay)
-nod3d9ex (Faster Alt+Tab)
-nojoy (Removes joy stick)