so i have shit computer. i wanna upgrade GPU but i don't know will it bottleneck. my spec: CPU - Intel Core2 Quad Q6600 2.4 GHz, GPU - gtx 650 ti boost (i wanna upgrade it to gtx 1050 ti), RAM - 4gb DDR3, PSU - some shit with 400W, HDD - Toshiba 2tb, 7200 rpm. plz help