you cant play gta5 on it you need more power
It has plenty of power to run GTA5 as both the CPU and GPU are well above the minimum specs needed.
Steam System Tech Specs:
CPU: Intel® Core™ 4440
GPU: NVIDIA® Geforce® GTX 960 OC
that Quad-Core Operating Frequency 3.1GHz (3.3GHz Turbo) only and 2GB 256-Bit GDDR5 only