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ZOTAC NVIDIA 790i Ultra SLI Motherboard

By: Cameron Johnson | Socket AM3/AM3+ in Motherboards | Posted: Jun 25, 2008 4:00 am
TweakTown Rating: 91%Manufacturer: ZOTAC

Test System


Processor: Intel Core 2 Duo E8500 @ 3.16GHz (9.5x333MHz)


Memory: 2x 1GB DDR3-1600XMP OCZ (Supplied by OCZ)


Hard Disk: 500GB Western Digital SE16 (Supplied by Western Digital)


Graphics Card: MSI GeForce 8800GTS 640MB (Supplied by MSI)


Cooling: GIGABYTE 3D Galaxy II (Supplied by GIGABYTE)


Operating System: Microsoft Windows Vista SP1


Drivers: nForce Driver 15.17, Forceware 175.16


Now we move into our benchmarking tests. Today we have the 790i SLI Ultra ZOTAC motherboard against Intel's flagship chipset, the X48; this being in the form of GIGABYTE's X48T-DQ6.


For our stock clocks, we ran with an FSB of 333MHz with 9.5x multiplier and the memory ratio set for 1333MHz, which is the highest speed rating from the JEDEC.


Overclocking; we used a 6x multiplier with the memory ratio at 1:1 to eliminate the memory and CPU being the bottlenecks. During our overclocking the FSB for the ZOTAC was 556MHz while our GIGABYTE board ran at 549MHz FSB.


EVEREST Ultimate Edition


Version and / or Patch Used: 2006


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EVEREST Ultimate Edition is an industry leading system diagnostics and benchmarking solution for enthusiasts PC users, based on the award-winning EVEREST Technology. During system optimizations and tweaking it provides essential system and overclock information, advanced hardware monitoring and diagnostics capabilities to check the effects of the applied settings. CPU, FPU and memory benchmarks are available to measure the actual system performance and compare it to previous states or other systems.




Moving into memory performance; Intel has managed to tweak the X48 chipset to its limits and keeps ahead of the 790i chipset. At overclocked speeds in the writing test, despite the slower FSB the X48 chipset manages to keep right on the heels of the 790i SLI.


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