Benchmarks list my system at about half of the posted benchmarks

Eat_those_lemons

Honorable
Nov 17, 2012
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10,530
Hi so I am running a Phenom II X4 965, asrock extreem 3, 4 4gb sticks of gskill ram, 1 64 gb ssd, 1 1TB HDD, and a GTX 660 ti on a 450 w antec psu. (the cpu is on a hyper 12 evo plus)
the problem is when I take and try to benchmark my system, on 3dmark I get about 5000 but on their website it says that that benchmark for the GTX 660ti should be 8800, and with passmark i am getting 2700 for my system any ideas as to why?
Is the psu bottlenecking?
(the cpu is overclocked to 3999.89 Mhz (cpu frequency is 211 Mhz and multiplyer is 19x, and cpu voltage is 1.4875))