PCI-E 1 vs PCI-E 2

Pentium Dual-Core E6700 GTS 450, Full HD 1920x1080 --- 00:00 - Crysis 2 PCI-E 1.0 02:11 - Crysis 2 PCI-E 2.0 03:48 - Call of Duty: Black Ops II PCI-E 1.0 06:00 - Call of Duty: Black Ops II PCI-E 2.0 08:45 - Battlefield 3 PCI-E 1.0 11:05 - Battlefield 3 PCI-E 2.0 --- Songs: Taheda - Phenomena AlexGrohl - Your Strength Gvidon - Demolition Experts