AMD "Oland" Radeon HD 8800 Series Info
Some details, albeit completely unconfirmed, on AMDs upcoming Radeon HD 8800 series have surfaced on the web. The Sea islands HD 8800 series apparently is based on a new silicon codenamed "Oland," which is made using a 28 nm process while packing 3.4 billion transistors all on a 270 mm² die-area.
The Radeon HD 8870 would be clocked at 1050 MHz with 1100 MHz PowerTune Boost frequency; while the HD 8850 is clocked at 925 MHz with 975 MHz boost frequency. The memory of both SKUs is clocked at 6.00 GHz, yielding 192 GB/s memory bandwidth. The chips hence have 256-bit wide memory interfaces. Sources Videocardz and Read2Ch claim there will be two HD 8800 series models which typically is a Pro and XT SKU. The source mentions that the HD 8870 provides up to 75% higher single-precision floating point and up to 60% higher double-precision floating point performance over the the HD 7870. The texture fill-rate should be up by 65%. The Radeon HD 8850 offers similar increases over its predecessor, the HD 7850. Check out the table below.
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Sounds nice, I'll be looking at these and the 8900 Series when launched to upgrade my two 6950's. Hopefully we'll see something by Xmas/New Year that would be nice.
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This, if true, may well explain why there have been multiple price reductions to the existing range in a relatively short amount of time.
Inventory clearing I'm guessing.
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Original leaks : http://translate.google.com/translate?hl=en&sl=&tl=en&u=http%3A%2F%2Fread2ch.com%2Fr%2Fjisaku%2F1347605134%2FID%3AhKcZJDn
Take it as rumor or even not real specs..
Outside memory bandwith... in reality taken in account with 1100mhz boost vs 925mhz on the 7970, outside 2560x1600, add some optimisation and the results should be really close of each other, maybe between 7970 and 7970Ghz ( if we trust theses specs )
SP performance look close, but for DP (not really important on a middle range card ) , we are speaking about 1/16 vs 1/4 DP rate .. ( 25% performance of the 7970 ).
But anyway, this bring little to non info on the HD8970.
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can't wait for the Guru3d preview
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It would be good if that price reduction translates to the real world. It may make the HD8930 or even the HD8950 an attractive option if they are similarly priced to what the HD7870 was when released.