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Old 03-24-2009, 08:44 AM   #11 (permalink)
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Default Re: HD 4890 vs GTX 275 – Specs Leaked

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Originally Posted by zmatt View Post
Instead of playing tricks they should work on trying to beat ATI in a price war or something more productive. the 275 is simply a 280 with the 260's memory interface.
They can't out price ATI. The GT200 chips are huge in comparison and take up alot more silicon. They will lose too much money if they sell them any lower. ATI went with a different approach and a smaller die this time round, thats why their prices are so low at the moment.

ATI had a very good approach this series by not aiming for the biggest and fastest. But it will probably only last one series though.
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Old 03-24-2009, 10:25 AM   #12 (permalink)
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Default Re: HD 4890 vs GTX 275 – Specs Leaked

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Originally Posted by meat_helmet View Post
They can't out price ATI. The GT200 chips are huge in comparison and take up alot more silicon. They will lose too much money if they sell them any lower. ATI went with a different approach and a smaller die this time round, thats why their prices are so low at the moment.

ATI had a very good approach this series by not aiming for the biggest and fastest. But it will probably only last one series though.
I know, that was a poor job on my part at sarcasm.
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Old 03-25-2009, 05:16 PM   #13 (permalink)
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Default Re: HD 4890 vs GTX 275 – Specs Leaked

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GDDR5 (not DDR5) is not the same clock for clock as GDDR3.



And



So yes for the same clock and data width GDDR5 is over twice as fast.

The 4870 has 115.2 GB/s of memory bandwidth. The GTX260 has 111.9GB/s.
are you sure???





because i see 115 ati, 117 nvidia...
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Old 03-25-2009, 05:30 PM   #14 (permalink)
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Default Re: HD 4890 vs GTX 275 – Specs Leaked

Nice try, your using an overclocked GTX260. They have 1999mhz memory stock, yours is 2100mhz.

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Old 03-25-2009, 05:41 PM   #15 (permalink)
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Default Re: HD 4890 vs GTX 275 – Specs Leaked

If factory overclocked cards are fair game then ATI still wins, the HIS IceQ4+ HD 4870 has 4ghz gddr5 giving it 128gb/s of memory bandwidth.
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Old 03-25-2009, 09:16 PM   #16 (permalink)
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Default Re: HD 4890 vs GTX 275 – Specs Leaked

i didnt try anything, i just googled gtx 260 gpuz it was the first that came up, also its allready said the gtx 275 will have even higher memory clocks. even so the diference between both is minimal.

just to bug you the gtx 260 black edition by xfx. 129. http://www.wccftech.com/reviews/revi..._216/gpu-z.bmp factory over clock.
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Old 03-25-2009, 10:19 PM   #17 (permalink)
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Default Re: HD 4890 vs GTX 275 – Specs Leaked

try this on for memory bandwidth.



my card overclocked that's serious business.

(also i have the 55nm version, i need to update GPUZ to the latest version.
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Old 03-25-2009, 10:32 PM   #18 (permalink)
 
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Default Re: HD 4890 vs GTX 275 – Specs Leaked

If these things hit $230 then ill be picking up two of em....
Also AMD plans to actually move the date to the 2nd of April not the 9th for the 4890...
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Old 03-25-2009, 11:30 PM   #19 (permalink)
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Default Re: HD 4890 vs GTX 275 – Specs Leaked

there is stiff competition dependign on prices i will look at where to invest my money, ati is looking good right now.
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Old 03-26-2009, 12:01 AM   #20 (permalink)
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Default Re: HD 4890 vs GTX 275 – Specs Leaked



This is the best I could find 3 pages deep into google image search, I'm sure there is better, with all the extreme OC's out there.
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