Graphics Card
AMD Radeon HD 7800 Series

no overclocking

AMD Catalyst Driver Version, and Driver History
13.1 catalyst

Operating System
Windows 7 64bit

Issue Details
Every 10-20 seconds the game lags/freezes for about 1 second then returns to normal. Have tried putting all settings on low but still happens

Motherboard or System Make & Model
ASRock z77 extreme 4

Power Supply

Thermaltake 
TPX-575M

Display Device(s) and Connection(s) Used

n/a
Applications and Games
Starcraft 2 and Dota 2 both latest patches

CPU Details
Intel(R) Core(TM) i5-3570K CPU @ 3.40GHz (4 CPUs), ~3.4GHz


System Memory Type & Amount

2 sticks samsung 4g each