I am planning to upgrade my GPU from a radeon hd 5450 to a radeon hd 7750.
How much of a difference will i see in performance?
other specs are below
athlon x2 255 3.1 GHz
win7 home 64bit
haha same here bro.. i too upgrade my graphics card from a 5450 to a 7750 very recently. and trust me the difference is mind blowing, earth shattering and mind numbingly huge. and am not exaggerating
for example i used to get 20 fps in mafia 2 on low settings at 1024*768
now i get 60 fps at 1440*900 at maxed out setting only with physx and AA off
in crysis 2 i used to get 18-20 fps at 720p at lowest setting and now i get 45 fps at 1440*900 at maxed out hardcore setting.
in walking dead i got 25 fps at lowest setting at 720p and now 60fps at maxes out setting at 1440*900
in burnout paradise i used to get 25 fps at 720p lowest setting now 60 fps at max settings at 1440*900
i hope you can now see how huge the difference is. the 7750 is about six times more powerful than a 5450 at stock speeds
Yes you'll see big performance increase from HD 5450 to a radeon hd 7750, but with your current PSU, even it's rated 80+ bronze, I suggest you to not upgrade it yet until you get a bigger power of PSU.
It's quiet difficult to find a suitable PSU for slimline PC...
220 watts is a bit of a concern . before when i had a 220 watt supply the experts here adviced me that putting in anything more than a 5450 or 6450 is very risky and can damage the system . thats why i had got the 5450 in the first place.
but then my psu was of bestec which isnt a good brand . i dunno abt urs ..
but i wouldnt advice anything over a 6450