Hardware problem!?

will the main problem that when i run games it slows down not as my friend the game is need for speed:

my computer:

win xp service pack 2

1gb ram

Pentium 4 , 2.8 GHz

HDD 160

graphics card:nvidia geforce 5500 fx ,memory: 256

mother board :??

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my friends computer:

win xp service pack 2

1gb ram

Pentium 4,3 GHz

HDD 160

graphics card:nvidia geforce 6600 , memory: 256

mother board :??

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so does the speed of the game at my friend is faster because his graphics card

and []does the mother board effect the speed!!?

and also in empire earth2 THE game works slow!! but i am suitable to her system requirements !

here is here RECOMMENDED SYSTEM REQUIREMENTS:

- NVIDIA(R) GeForce(TM) 4 or DirectX(R) 9.0c-compliant 128 MB 3D video card with hardware T%26amp;L and pixel shader support

- Microsoft(R) Windows(R) XP operating system

- 2.2 GHz Intel(R) Pentium(R) 4 or AMD(R) Athlon(TM) or faster processor

- 512 MB RAM or more

- 1.5 GB of uncompressed hard disk space for game files

- DirectX(R)

Hardware problem!?windows xp professional

Yes her graphics card makes a difference, and the type of ram,(i.e. DDR, or DDR2)

Hardware problem!?windows xp home internet explorer

Make sure u have direct x 10 or 9.0c your graphics card should be fine