Need Help In Upgrading Graphics Card

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HpPC

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Sep 19, 2013
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Hello Sir,

I want to upgrade my graphics card.I want AMD Radeon HD 7770 or Nvidia GT 630.Do you think that my pc can handle one of these graphics card.

My PC Specs:

Pentium Dual Core E5500 2.8Ghz

3GB Ram

300W Power Supply

PCI Express 1.0 Slot


Please Help Thanks :)
 
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markwp

markwp

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Jan 22, 2013
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Guessing this is an HP by your name. The 300w psu is going to severely limit you. It is NOT enough for the 7770, but it might work for the 630 (there is a huge difference in performance in the two cards).

You may want to look into getting a quality psu before you start upgrading. If you plan to stay with your cpu, but want to just upgrade the gpu, look at a psu from corsair, antec, seasonic or xfx of about 450w. A good psu in that range will support the 7770 or a card like a 650TI boost.

Mark
 
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H

HpPC

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Sep 19, 2013
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Do you think that gt 630 is a good graphics card?
 
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fudoka711

fudoka711

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Apr 2, 2012
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You will be fine putting a 7750 in there. I am a little iffy about recommending a 7770 though. Don't go with a 630, the 7750 is a great compromise between the 630 and 7770. Technically, you would be fine putting a 7770 in there (you won't even reach 80% of max load on your PSU), but I know your psu is old if you've never replaced it before. I'll write out a little math to help:

80% of PSU max output: 240W (I choose 80% because most power supplies work well up to that point. After that they tend to lose their efficiency and have to work much harder to output just a little more wattage/power)
Your system w/out GPU: ~100W (or less)
Your system w/7750: ~150-160W (gpu power draw 50-60W)
Your system w/7770: ~180-190W (gpu power draw 80-90W)

Regardless, I feel like you should avoid trying to put a new power supply into that machine unless you really do plan on keeping it for a couple more years. I noticed its a PCI express 1.0 slot and that tells me your computer is not really worth putting much more money into. You will be able to game at medium to high settings, depending on your monitor's resolution.

Do not buy anything more powerful than a 7770 though, even if you do buy a new psu. I think the rest of your system would hold back the gpu's performance anyways.
 
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markwp

markwp

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Jan 22, 2013
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The 630 is better than onboard graphics, but not much. If you are going to stay with your stock psu, the HD 7750 is the best you can do, but even then it may overwhelm your psu. I really think you need to consider a psu upgrade - if your stock psu goes, it may take your m/b, cpu and gpu with it. Big risk for a small ($45) investment on a Corsair CX430.

Mark
 
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H

HpPC

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Sep 19, 2013
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I have selected the Corsair VS Series 450W PSU And the SAPPHIRE HD 7750 2GB GDDR5

Do You think there fine.
 
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markwp

markwp

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Jan 22, 2013
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Great choices. The corsair is a great little psu and the 7750 is the fastest card you can get that does not require additional power connections. The new psu will also afford you with good protection of your other components with its' built in safety features.

Well done!

Mark
 
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vipervoid1

vipervoid1

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Feb 10, 2009
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You have made a great choice ~
Have fun gaming on your pc ~
 
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