DFI LANParty UT RDX200: ATI’s Crossfire AMD for the Bleeding Edge
by Wesley Fink on October 18, 2005 11:03 AM EST- Posted in
- Motherboards
Overclocking
Maximum overclock data was added to our Performance graphs beginning with the nForce4 SLI roundup several months ago. The overclocking performance graphs allow a better comparison of the overclocking capabilities of tested boards. For more details on the specific overclocking abilities of a specific board, please refer to the Overclocking and Memory Stress Test section of individual board reviews.
305 at lower multipliers is not the highest value that we have reached in past testing, but it does place the DFI in the company of the few excellent overclocking Athlon 64 boards that have managed to reach a stable 50% or better frequency overclock (300) at lower ratios. It is also a very acceptable compromise that was required for the 4DS 1T option at DDR400.
As we have commented before, ATI has made tremendous progress in board design, since we looked at the initial Bullhead board last November. DFI definitely incorporated many of the best things about the ATI Crossfire Reference Design while still marking the RDX200 with their own unique stamp.
Maximum overclock data was added to our Performance graphs beginning with the nForce4 SLI roundup several months ago. The overclocking performance graphs allow a better comparison of the overclocking capabilities of tested boards. For more details on the specific overclocking abilities of a specific board, please refer to the Overclocking and Memory Stress Test section of individual board reviews.
305 at lower multipliers is not the highest value that we have reached in past testing, but it does place the DFI in the company of the few excellent overclocking Athlon 64 boards that have managed to reach a stable 50% or better frequency overclock (300) at lower ratios. It is also a very acceptable compromise that was required for the 4DS 1T option at DDR400.
As we have commented before, ATI has made tremendous progress in board design, since we looked at the initial Bullhead board last November. DFI definitely incorporated many of the best things about the ATI Crossfire Reference Design while still marking the RDX200 with their own unique stamp.
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ozzimark - Tuesday, October 18, 2005 - link
it's very very very dependant on the cpu. notice that they used the FX-57 for those tests, which is a cpu that typically has some of the best memory controllers around.Wesley, how do 4xDS sticks perform with the 4000+?
Wesley Fink - Tuesday, October 18, 2005 - link
THe 4DSx1T worked fine on the 4000+. The key to this feature is the DRAM Drive Strength option in the BIOS. With older A64 drive strength needs to be set at 14 to 15. You can get things to work with a bit less DRAM Drive Strength with the newer controllers like those on the FX57.We mainly used the FX57 in the iT tests becuase it's fast, and the high stock test numbers made it easier to see the impact of the iT Command Rate on the various memory configurations.
ozzimark - Tuesday, October 18, 2005 - link
awesome, thanks Wesley. that's definitly a good thing to knowmongoosesRawesome - Tuesday, October 18, 2005 - link
depends on how high your memory will clock, and at what timings.LoneWolf15 - Tuesday, October 18, 2005 - link
I'm trying to make sure I understand this quote, Wesley...at the end, were you trying to say that you get little additional performance with the 7800GTX when compared to the 7800GT?
dornick - Tuesday, October 18, 2005 - link
He means you're wasting your money to buy a 7800gtx and play games at those settings when there are plenty of cheaper cards out there that do the job just as well.j@cko - Tuesday, October 18, 2005 - link
can i use nVidia SLI on ATi mobo?Wesley Fink - Tuesday, October 18, 2005 - link
Not yet. I have seen nVidia SLI running on the ATI Crossfire board but it required hacked video drivers. You will not see this option, or the reverse, until nVidia and ATI sanction this in their drivers.