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ASUS P5E3 Mobo - X38 and DDR3 is here - Test System Setup and Memory Performance

We've just gotten a hold of our first DDR3 based X38 motherboard, the ASUS P5E3. We compare to DDR2 X38 and DDR3 P35.

By: | Socket LGA 775 in Motherboards | Posted: Sep 25, 2007 4:00 am
TweakTown Rating: 90%Manufacturer: ASUS

Test System Setup


Processor: Intel Core 2 Extreme Q6800 @ 3GHz (9x333MHz)


Memory: 2x 1GB DDR3-1800 Dominator (Supplied by Corsair)


Hard Disk: 500GB Seagate 7200.9 (Supplied by Seagate Australia)


Graphics Card: 2x MSI X1950 Pro Radeon Crossfire (Supplied by MSI)


Cooling: GIGABYTE Neon775 (Supplied by GIGABYTE)


Operating System: Microsoft Windows XP SP2


Drivers: Intel INF, ATI Catalyst 7.7


Our test system today consists of our P35 DDR3 setup from GIGABYTE, our X38-DQ6 with DDR2 and the ASUS P5E3 with DDR3. Our usual suite of tests have been run but we have made a little bit of a difference. Our stock settings were done with the CPU at 3GHz using a 333 MHz FSB and 9x multiplier with the DRAM set to its highest possible ratio. For the DDR3 boards this was 1333 MHz whilst the X38-DQ6 with DDR2 was set to 1066 MHz.


With overclocking we did something a little bit different. The GIGABYTE P35T DQ6 has the ability to hit 580 MHz with the right memory, and the Dominator memory is able to give it this at a 1:1 ratio. We decided rather than give the P35T an unfair advantage in the tests we limited the overclock to 558 MHz, the same as the ASUS board to see if there is any advantage. Our X38-DQ6 however can't reach this speed and was only running at 517MHz.


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.




Between the two DDR3 platforms we don't see much of a difference. Both the P35 and X38 are right on top of each other. The X38 with DDR2 does fall slightly behind in both stock and OC tests.


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