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HD 5770 vs. HD 5850 Advice wanted please

Last response: in Graphics & Displays
a b U Graphics card
July 26, 2010 5:34:53 PM

Hello everyone, please let me first thank you for taking the time to look at my thread and trying to advice me. Here is my problem/decision that I have to make.

I have just built my first computer and It went well however, as I didn't have all the money at one time, I couldn't buy the graphics cards or my full amount of Ram.

Here is the system that I have built.

AMD phenom x4 955 (slight overclock to 3.5ghz)
2gig cheap DDR3 1333mhz Ram
OCZ stealth X-Stream 500watt PSU. (link for tech spec)

Gigabyte 890GPA UD3H motherboard (crossfire 8x/8x support)
Antec 900 case
500gig SATA II hard drive
Windows 7 Ultimate.

I currently Game at 1440 x 900 but If I could raise graphics to max at a higher would buy a bigger monitor I think. And I want to play games such as WOW, COD's, fallout 3, crysis, GTA IV, Stalker, mass effect 2, dirt 2, and other DX 11 titles.

I now have to decide what graphics card to buy. I have decided that I have two choices:
1. Buy a HD 5770 and 4gig of decent G.SKILL duel channel gaming RAM this month, and maybe crossfire when I get paid next month ( will my PSU be enough?)
2. Buy Ram this month, and wait a month and save to buy one HD 5850, with the option to xfire later, and perhaps buy a bigger monitor for following month or get one for my birthday.

What would people recommend me to please for the games I am playing, I would like to for the money I have paid be able to play almost all games on max settings with around 60+ fps ( bar Crysis ). And also would my PSU be enough to crossfire HD 5770's if that's what you recommend. Thanks again.
a c 169 U Graphics card
July 26, 2010 6:07:00 PM

Well the choice of 5770 vs 5850 depends on your monitor, because 5770 can handle games fine on resolutions up to 1920x1200,whereas a 5850 is a better choice at 1920x1200 and higher resolutions
a c 130 U Graphics card
July 26, 2010 6:13:05 PM

Personally i would go with the 5850

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July 26, 2010 6:34:39 PM

I bought a 5850. I run res at 1680*1050. I know a 5770 would probably did the trick. But I am looking at future upgrades. I plan on upgrading my cpu, mobo, and ram abit down the line. And I am sure that these cards will fall in price. So, maybe p/u another 5850 for some x-fire action. I go for the 5850 man. it has treated me right. good luck on your decision.
July 26, 2010 6:58:50 PM

In my opinion, I'd personally go with the single 5850 for now. then x-fire them later on as a future upgrade.