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 Post subject: ATI HD 4850 Goes Retail !!
PostPosted: Thu Jun 19, 2008 8:39 pm 
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Newegg Is Selling Them!

Anandtech's Review

800 Stream Processors for $200 ... zowie. That'll rip through some serious GPU2 work units.

I'm considering ordering one right now though the 9800 GTX+ is debuting right behind it...


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PostPosted: Fri Jun 20, 2008 2:42 am 
Monkey Federation (Top 10)
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Not absolutely positive, but the shader units are more important than the processing cores for the GPU client.


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PostPosted: Fri Jun 20, 2008 5:05 am 
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That's tempting but I'm waiting to see what the price of the 4870's will be.

It seems like nVidia is starting a price war with AMD/ATi so things could get interesting for upgraders. :)


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PostPosted: Fri Jun 20, 2008 6:45 am 
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DreadedOne509 wrote:
Not absolutely positive, but the shader units are more important than the processing cores for the GPU client.

Stream processors can do pixel and vertex shading. GPUs used to have dedicated vertex and pixel shading units but often one type would be idle so the idea of a unified shader was born. ATI produced the first GPU with unified shaders that can do both shading operations for the Xbox 360.

Here's a good article comparing Nvidia and ATI stream processors:
http://www.anandtech.com/video/showdoc.aspx?i=2988&p=4

Satchboy wrote:
That's tempting but I'm waiting to see what the price of the 4870's will be.

Nvidia guesses $299 for the 4870.
http://www.anandtech.com/video/showdoc.aspx?i=3338&p=3


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PostPosted: Fri Jun 20, 2008 10:04 am 
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At the moment, the 4850 will offer little performance gain over a 38XX until we retune the code to utilize all 800 SPs. Basically, the current code path, besides having a few optimization issues in general on all boards, doesn't go "wide enough" to utilize the SPs. At the moment, a 4850 is a little bit faster clock for clock than a 3870, but the 4850's stock clocks are lower than the 3870s. Over the next weeks and months we will be tuning, we have some things in the works for 2XXX/3XXX still but most of the focus is on 4XXX, as well as getting the remaining stability issues fixed up.


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 Post subject:
PostPosted: Fri Jun 20, 2008 10:17 am 
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I've been interested in bettering my game performance and this would do that plus add some nice PPD 8)


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PostPosted: Fri Jun 20, 2008 12:14 pm 
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I'm with Satch,i'll wait and see how the 4870's make out.


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