[ 9xx Soldiers sans frontiers ] Anyone tried Win7 64-bit with 1Gb ram???

[TanCH]

My pc spec:
Core2Duo 1.66 Ghz
1 Gb ram
gma950

Currently run on Win7 32-bit,
if i installed it with a Win7 64-bit... will it run slower or faster
with this 1gb ram?
Thanks in advance

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INTEL 9xx SOLDIERS SANS FRONTIERS