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Old 11-18-2007, 12:41 PM   #11 (permalink)
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Default Re: ATI: 2900 pro 1GB DDR4 (vs)**new 3870?

i have had both a hd2900 pro flashed to XT AND an 8800gt and there is very...i mean like VERY little difference in performance. but big difference in power consumption and NOISE, lol.
so, if the 3870 is almost as fast as an XT, it would be the better price/performance option. it is supposed to be quiet, and as invisible says...it isnt nearly the power hog of a 2900.
plus, the gouging going on with the 8800gt is kind of sickening....even though i got it stuck to me REAL good for mine, heh.
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Old 11-18-2007, 12:45 PM   #12 (permalink)
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Default Re: ATI: 2900 pro 1GB DDR4 (vs)**new 3870?

I agree with nagasama and I would go with the 3870.
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Old 11-18-2007, 04:02 PM   #13 (permalink)
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Default Re: ATI: 2900 pro 1GB DDR4 (vs)**new 3870?

Quote:
Originally Posted by gurusan View Post
No it's not. The 3870 is the one that is almost as fast as a 2900XT.

Anyway, to answer the OPs question...the 3870 is a much better buy....it overclocks very well, is very efficient (power wise), and don't be fooled by the 256bit memory interface...it comes with GDDR4 which can be clocked very high and can still do over 80gbps

Also if you put 2 of these in crossfire they are VERY fast.
The 3850 is the revised 2900 while the 3870 is the same thing with higher clocks.
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Old 11-18-2007, 04:06 PM   #14 (permalink)
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Default Re: ATI: 2900 pro 1GB DDR4 (vs)**new 3870?

Quote:
Originally Posted by darksideleader View Post
The 3850 is the revised 2900 while the 3870 is the same thing with higher clocks.
Not sure what you are talking about....they are both "revised 2900s"....and if anything is close in performance to the previous 2900 it's the the 3870, not the 3850. ..and the 3870 isn't the same thing... it has much higher clocks, and twice the memory, and GDDR4 vs GDDR3.....
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Old 11-18-2007, 04:08 PM   #15 (permalink)
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Default Re: ATI: 2900 pro 1GB DDR4 (vs)**new 3870?

Get the 3870. I'm not going to even read the crap in this thread.

The 3870 is TONS cheaper, cooler, and less power consuming. It performs on par with the 2900 PRO/XT.
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Old 11-19-2007, 07:54 PM   #16 (permalink)
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Default Re: ATI: 2900 pro 1GB DDR4 (vs)**new 3870?

I'm gonna go with the 3870's, and hopefully build my new rig by the end of the year.
Quote:
Originally Posted by Peter.Cort View Post
the 3780 is better and you can put 4 in crossfire with the new amd boards.
Were can i find the quad gpu supporting boards? I've been looking but can't find any! :tounge:

Thnx
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Old 11-19-2007, 08:01 PM   #17 (permalink)
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Default Re: ATI: 2900 pro 1GB DDR4 (vs)**new 3870?

Sorry for Double posting

I found the Mobo's (AMD 790FX) that support Quad-Gpu and it looks insane xD

Heres the site if anyones interested
MSI lets slip AMD 790FX mobo | Reg Hardware
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Old 11-19-2007, 08:17 PM   #18 (permalink)
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Default Re: ATI: 2900 pro 1GB DDR4 (vs)**new 3870?

u know u can use the AM2+ Quad-Cores on a AM2 board.. but you can't have 4 ATi cards in there... plus less overclocking ability...
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Old 11-19-2007, 10:33 PM   #19 (permalink)
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Default Re: ATI: 2900 pro 1GB DDR4 (vs)**new 3870?

that MSI is the cheapest. and probably the best heh. the gigabyte is twice as much almost.
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Old 11-20-2007, 10:10 AM   #20 (permalink)
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Default Re: ATI: 2900 pro 1GB DDR4 (vs)**new 3870?

8800GT at stock is 15% faster than HD2870 on average according to Anandtech


Quote:
Originally Posted by darksideleader View Post
The 3850 is the revised 2900 while the 3870 is the same thing with higher clocks.
HD2900 have 512-BIT bus while HD3870 have 256BIT bus

So, they are not same thing
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