PSU and CPU compatibility with a Radeon 7950 3GB?

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jkteddy77

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Jun 13, 2013
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I bought a cheap Gaming PC from newegg. All the specs are in the "details" tab

vvv Link vvv
http://www.newegg.com/Product/Product.aspx?Item=N82E16883258020" rel="nofollow" target="_blank">http://

Its a great pre-built, but not good enough. It has the space for upgrades, and I bought it planning to upgrade it, but I think some of its parts may be restrictive. I need help and input. The time I have to return the computer is running short, so help me as much as you can in one post.

I want to buy a 7950 3GB (http://www.newegg.com/Product/Product.aspx?Item=N82E16814131478), since I want better graphical capabilities. It's the only part I want to upgrade, so my question is, is it the only part I HAVE to upgrade.

Will my FX-6100 6-core 3.3ghz Bottleneck this card? If so, how bad? I know this card is highly OC-able, will overclocking it help any if it does bottleneck?

My PSU is an Enermax 450W. The 7950 uses 200W and my CPU uses 95W. I have 2-3 fans in there, equaling probably another 20W. AMD's site recommends having at least 500W PSU for this card. Can I scrape by, or do I need to upgrade my PSU?

Money is a big issue for me, since I just used all of it on computer stuff, so cheapest, but longest lasting part recommendations are appreciated
 
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ksham

ksham

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Mar 29, 2013
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If you're going to buy a near $1000 computer, it's better spent buying individual components and building it yourself. As for the GPU, get the Sapphire Dual-X Radeon HD 7950.

The CPU is weak. It would be better if you had a FX-6300 instead. There will be some bottleneck. Even in OC, there will still be a small bottleneck. Will you notice it? Not likely.

What model is the Enermax 450W? You cannot measure wattage alone. You will also need to account for the necessary amps on the +12V rail for the entire build and the new GPU.
 
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jkteddy77

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Jun 13, 2013
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the PSU and its specs
http://www.newegg.com/Product/Product.aspx?Item=N82E16817194090
its about 30 Amps, which i know is weak, and is why I'm wary of purchasing a strong GPU

There is a fast and cheap solution for my problem, and I want your input on it as well. Here is a newer prebuilt by the same company with an FX-6300 nad a 650W PSU, for about $170 more. I am still within the return date for this current computer, so is upgrading to this new computer my best option? I'm worried newegg will make me overpay with shipping and restocking fees though.

I am Planning on playing BF3/BF4 smoothly and on high/Ultra settings, so if you have any other GPU suggestions that would run and function close to the 7950 with lower wattage, I'd appreciate that as well. Right now, my GT 640 runs BF3 horribly, with 30-40 fps on low-med settings.
 
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circularpromise53

circularpromise53

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your psu isnt enough power to even meet the minimum for the gpu, especially if you overclock.. as for your cpu you will see bottleneck, however in games that utilize multi cores you probably wont notice as much

just read your new post, definetly upgrade for the extra money, then youll be set. im running my rig with 650w psu. bf3 youll run ultra just fine (i do with both cpu and gpu overclocked)
 
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jkteddy77

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So I definately need a bit sronger PSU, which I can deal with. I really wanted that FX-6300, (especially since its the same price as my 6100 . . . heh) but thats the price I pay for being too lazy to learn how to build one. It is a very ventilated case and already has a 200mm fan in it. Do you suppose an upgraded PSU, a few fans, a 7950, and a good OC of my 6100 should do for a few years? my benchmark is really set at running BF4 Well.
 
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ksham

ksham

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Mar 29, 2013
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Yes; you should be fine for a few years. You can always upgrade to a stronger CPU later on. Don't worry about it. ;)
 
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