hi my computer desktop is
cpu:AMD Phenom II X4 965
MB: 785G-E53
RAM: 2x2g corsair XMS3 1333 and 1x4g patriot 1333
VGA:Readeon HD 4870 1G
CPU FAN :tuniq tower 120
HDD:WD Green 1T 64MB
my power supply is 470W
and now i change my VGA card by MSI GTX 670 power edition
realy i need change my power?
cpu:AMD Phenom II X4 965
MB: 785G-E53
RAM: 2x2g corsair XMS3 1333 and 1x4g patriot 1333
VGA:Readeon HD 4870 1G
CPU FAN :tuniq tower 120
HDD:WD Green 1T 64MB
my power supply is 470W
and now i change my VGA card by MSI GTX 670 power edition
realy i need change my power?