Does the PSU reduce the video card's performance?

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Berti93

Honorable
Nov 22, 2013
35
0
10,530
Hello guys,

I recently bought a sapphire hd 7950 dual-x oc flex edition. And I do not notice a big improvement. For example, in Assassin's creed IV , with max settings, i got really low fps. Below 20 I think.And this card should easily run this game on one 1080p monitor(according to it's specs). It quite feels the same as my old video card which was an ASUS HD 6850.Could it be that I only have an 500w PSU?

My current specs:
CPU: AMD FX-8120 with an artic freezer 13 pro
GPU: SAPPHIRE HD 7950 3GB Dual-x oc flex
Motherboard: Gigabyte GA-970A-UD3
RAM: Two AMD 4Gb 1333mhz
HDD: Samsung hd502hj 7200rpm
Fans: 3 Thermaltake 120mm and an Artic f12 pro.
PSU: Cooler Master rs-500-psap-j3.
 
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H
500w should cover it. likely you have god rays set to max when your gpu isnt capable of handling it(r290x titan, 780ti only feature)... it roughly halves performance having it turned on also use fxaa rather than msaa.
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Berti93

Honorable
Nov 22, 2013
35
0
10,530
and another question: an XFX 550W pro would be comfortly enough? Because now i can hear that my PSU is struggling. It makes a weird noise, what it never did before...
 
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HEXiT

Champion
Mar 13, 2011
10,957
13
51,965
i would go for a different brand mate. xfx can be a bit flakey maybe look at an antec or seasonic 650w for around the same price. just a bit more headroom for things like overclocking extra fans and hdds.
the 500w unit as its probably cutting it close when everything full throttle.
 
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