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Review: Sapphire HD4890 Vapor-X 2GB
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Posted by Donster on: 2009-07-24 16:12:41 550
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By ccokeman @ OverclockersClub
The Sapphire HD4890 Vapor-X 2GB model is basically the 1GB model with an additional 1GB of GDDR5 memory to try and help out on the top end resolutions. The clock speeds remain identical at 870MHz on the 55nm RV790 core and 1050MHz on the not one but two gigabytes of GDDR5 memory. If the 2GB uses the same Quimonda memory that is rated for 1000MHz, I would expect the overall performance and overclocking to be very similar. Will the extra memory memory on the HD4890 Vapor-X 2GB make a difference in performance or will it just be an added bonus to help with a bit of future proofing? Will it be harder to overclock with the extra memory? Questions that definitley need answering as I have seen more than one post in forums asking just that question. Let's find out!
Read The Review Here
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