DOOM 4 / GTX 750 ti / 1080p LOW to ULTRA

00:04 LOW 03:11 MEDIUM 05:46 HIGH 08:28 ULTRA Seems quite odd to have so little difference between Low and Ultra Intel Core i5-3470, (E3-1225 v2)4-Core ( - ), ASUS - P8H77-M LE (LGA1155) Corsair Vengeance 8Gb DDR3 , Dual-Channel (9-9-9-24) Hard disk TOSHIBA 1TB 3.5“, SATA III, 6 Gbps, 7200 rpm, Power Supply, CORSAIR-CX600, 600 Watt, 80 Bronze, Windows 7 Ultimate 64-bit GTX 750 Ti GPU Engine Specs: 640 CUDA Cores 1020 Base Clock (MHz) 1085 Boost Clock (MHz) 5.4 Gbps Memory Clock