Memory Clock Speed Stuck

Here's my system, for starters— LAPTOP Dell Inspiron 5737 core I7-4500U 1.8 GHz Radeon HD8870M dGPU (detected by Windows as R9 M200X) Intel HD4400 integrated GPU 8GB DDR3 The problem started a few months ago, whereby, at some points when playing, the screen would start to stutter with lower FPS...

Hey guys, I'm on a budget of around $800 looking for a 1080p gaming PC for high settings on some of my most played games such as GTA V and Rocket League. I need to pick a processor and motherboard, and I know CPU doesn't have THAT big of an impact on most games performance. I wanted to go with...