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Do i need a 500w psu or can i get by with a 480

Last response: in Graphics & Displays
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June 23, 2011 2:58:17 AM

Hello,
I am looking to buy the 6850 GPU because I want to upgrade from my 5770. So i was wondering can i skate buy with a 480w psu or should i get the a higher wattage psu and then get the card?

More about : 500w psu 480

a b U Graphics card
June 23, 2011 3:09:00 AM

What PSU do you have? If it is a good solid maker, you will be fine.
Please give all specs.
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June 23, 2011 3:10:35 AM

AMD Phenom 11 X 4 955 Quad Core
MSI 880GMA-E55 AM3, 4 DDR3, DVI, HDMI
ATI 5770 Video
2 x 2 Gigs DDR3 1333 Ram
1 Terabyte Western Digital Hard Drive (3yr mfr war)
Cooler Master Elite 330 Case with 480 Watt Power Supply
22x LG DVD RW
Memory Card Reader
Windows 7 Home Premium 64 Bit
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a b U Graphics card
June 23, 2011 3:14:51 AM

Is it a Cool Master PSU and what resolution are you using?

Going from a 5770 to a 6850 is not a very big jump in performance.

What is your budget?
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June 23, 2011 3:16:58 AM

I would like to keep it on the lower end for cost considering i just bought the machine new but I am looking for a bit more performance. I dont know what resolution i am using.
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a b U Graphics card
June 23, 2011 3:26:52 AM

I would recommend saving up a little more cash and going after a 6870.
If your resolution is below 1080p, the 5770 will work fine. It is really not worth the upgrade.
You could by a good solid PSU instead and that way you will not have to worry about it later.

Try is tell use your resolution, right check on your desktop and click properties.
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June 23, 2011 3:31:45 AM

My resolution is 1280x1024. I am looking to run games like Arma III battlefield 3 and Crysis 2 and apparently the radeon 5770 doesn't have shader model 3 for ArmA III.
I am looking to upgrade the PSU so i don't have trouble in the future can you recommend and good ones?
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June 23, 2011 3:42:55 AM

Why should i keep the 5770?
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a b U Graphics card
June 23, 2011 3:46:41 AM

Because it will max most games at your resolution.
Going to a 6850 would be a disappointment to you. Use the moeny for a good PSU now and save to upgrade the monitor and GPU later.
Or just save money for all three later.
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a c 202 U Graphics card
June 23, 2011 3:49:44 AM

Shader Model 3 was part of DirectX 9c so it definitely has shader model 3 so that shouldnt be an issue, if its saying thats an issue you need to find the source of the error.

Im with embra in that you should keep the 5770, if you look at the hierarchy chart the 6850 is only one tier up, thats only about a 5-10% performance increase which isnt very much and certainly not worth spending $150 more for
http://www.tomshardware.com/reviews/best-graphics-card-...
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a b U Graphics card
June 23, 2011 4:31:43 AM

Big__John said:
I am going off of http://www.systemrequirementslab.com/cyri/ and it is telling me i have a radeon 5700 series GPU and that i do not have shader 3 which confused me being that I know that the 5770 is a good gpu.

lol that site is completely useless.All it does is take the system requirements on the back cover and compares them with yours.If you want to see whether your system can handle a game just visit www.yougamers.com or www.game-debate.com (this one requires registration).Forget shader model 3 the 5770 supports shader model 5 so don't be misguided by that site.The 5770 will easily max out all games at your resolution,even crysis ;)  .
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June 23, 2011 5:04:43 AM

I would like to keep it on the lower end for cost considering i just bought the machine new but I am looking for a bit more performance. I dont know what resolution i am using.
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June 30, 2011 4:01:58 AM

Best answer selected by Big__John.
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