Is a 2 x Xeon 3.6 with a gefoce video card and 4gb ecc ram fast enough for a hom

[big pete]

hi i am looking at a 2 x xeon 3.6ghz with a geforce 640 video card and 4 gb ecc ram
will this be farster than my current system which is an intel 2 core 3 ghz and 8gb of 800mmhz ddr 2 ram
i am running 7 tvs off the running itunes with all our dvds stored on it

thanks

 

[popatim]

supply cpu model numbers plz

 

[big pete]

supply cpu model numbers plz

the system i am currently running is a hp compaq dc7800 with intel 2 core e6850 socket lga775