base 775 Mainboard with DDR3 - advantage?

various Benchmarks profit with c.a. 5 15% of increased performance, under normal terms of employment or with the play notices mann no difference.today 4 GB of DDR3 08/15 memory costs just as much like good memory DDR2, it is right no matter whether now DDR2 or memory DDR3 with the SO775 is used.