A normal 3 GHz C2D with all of its cache RAM intact is what works properly, and a dedicated, discrete video graphics add-on circuit board built to gaming quality standards is required. You apparently have neither of those.
Plants vs. Zombies Garden Warfare
Required: Internet connection required to install and play
DVD-ROM: N/A
OS: Windows 7/8 64bit
Video Card: NVIDIA 8800GT, AMD/ATI Radeon HD 5750
Processor: Intel Core 2 Duo @ 3.0 GHz
Sound Card: DirectX 9.0c
Compatible Memory: 4GB RAM
DirectX: 10.0+
Hard Drive: 15 GB
Input: Keyboard, Mouse or Dual Analog Gamepad
