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Raedon 4870 vs 5770 and a PSU that will run them well


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#1 AlecVincent

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Posted 06 December 2009 - 08:27 PM

I'm looking to upgrade, and I've always been set on ATI's Raedon series. The 4870 has gotten an incredible amount of praise, but from it looks like they are starting to stop selling them (or maybe they are just all sold out, I don't know) with the new 5xxx out.

Which is a better card to purchase, the 4870 or 5770 and what would be a good PSU to run them on?

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#2 IrishGrimReaper

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Posted 06 December 2009 - 08:57 PM

What is your current specs including PSU?

The 5770 is pretty much replacing the 4870 now thanks to it's DX11 capability and it uses less power and it's a smaller card in general. 5770 is the way to go.

Edit: Checked your profile, not many people actually update their rig in there. Although the PSU you have isn't great, it will handle the 5770. If you're looking for a new PSU. This Corsair is a sound buy for it's price.

This OCZ one is also fine, Corsair are one of the best brands making PSU's although OCZ is good too, Corsair would be better!

Edited by IrishGrimReaper, 06 December 2009 - 09:02 PM.

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#3 nesto1000

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Posted 06 December 2009 - 10:13 PM

You can't go wrong with Corsair psu's...
as for GPU's, go with DX11

CPU: Intel Core i7 2600k Motherboard: ASRock Z68 PRO3 GEN3 Ram: CORSAIR XMS3 16GB HDD: ADATA (Micro Center branded) 64GB SSD, WD Caviar Black WD7501AALS 750GB GPU: XFX HD-577A-ZNFC Radeon HD 5770 PSU: COOLER MASTER Silent Pro M600 RS-600-AMBA-D3 Case: COOLER MASTER RC-690

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#4 rhino1366

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Posted 07 December 2009 - 06:48 AM

Well, well...

I'll try to tell you in an easy understanding form...

Of cource HD 5770! It's 40nm, it requires less power to operate, it has 2xDVI-D, HDMI 1.3 and a DisplayPort, it's faster than, both, HD 4850 and HD 4870, it's small (if not mentioning that it's double/dual-slotted card), and it has a better, improved visual/graphical technologies implemented, as DirectX 11 support, etc., and many more...

So, the verdict, as you can see, is that HD 5770 and HD 5770 only... I'm buying one for myself pretty soon... and I'm sure, that I'll won't need more "horsepower" than 14.000 points in 3DMark06. :thumbsup:

Hope I've helped,
rhino1366

P.S. In other words: HD 5770 = very improved HD 4850, but now on a 40nm architecture...

Edit: I have a 450W PSU... was thinking of upgrading for HD 4850 (I've bought without discrete graphics (780G)) on a moment of purchase... but, for HD 5770 you won't need more than 400W. Cheers...

Edited by rhino1366, 07 December 2009 - 06:54 AM.


#5 AlecVincent

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Posted 07 December 2009 - 07:09 PM

What is your current specs including PSU?

The 5770 is pretty much replacing the 4870 now thanks to it's DX11 capability and it uses less power and it's a smaller card in general. 5770 is the way to go.

Edit: Checked your profile, not many people actually update their rig in there. Although the PSU you have isn't great, it will handle the 5770. If you're looking for a new PSU. This Corsair is a sound buy for it's price.

This OCZ one is also fine, Corsair are one of the best brands making PSU's although OCZ is good too, Corsair would be better!


What about it's overclocking capabilities?

My PSU is pretty terrible for my machine, I planned on upgrading that the day I ordered it. It only have a 4-pin 12V so I'm running my Motherboard on that rather than the 8-pin. Thanks for the suggestions.

#6 IrishGrimReaper

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Posted 07 December 2009 - 09:05 PM

I'm running mine with a 4pin too.. Not like I can fit an 8pin in the 4 pin socket hehe.

Anyway, GPU overclocking varies really I can't really comment cause I've never overclocked that card, but small overclocks should be alright, take a look on the interwebz and see what people have done with theirs. Bear in mind what they have might not be what yours will reach ;)
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#7 AlecVincent

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Posted 08 December 2009 - 10:44 PM

I'm running mine with a 4pin too.. Not like I can fit an 8pin in the 4 pin socket hehe.

Anyway, GPU overclocking varies really I can't really comment cause I've never overclocked that card, but small overclocks should be alright, take a look on the interwebz and see what people have done with theirs. Bear in mind what they have might not be what yours will reach ;)


Haha, I don't imagine I'll have to overclock that much. Right now I think 25FPS looks great, so as long as this card can do that with everything then I'm fine.

Edited by AlecVincent, 08 December 2009 - 10:44 PM.





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