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Onboard Graphics Shootout - AMD 790GX vs. 785G

By: Cameron Johnson | Socket AM3/AM3+ in Motherboards | Posted: Aug 24, 2009 5:21 am

Test System


Memory: 2x 2GB DDR2-1200 G.Skill (Supplied by G.Skill)


Hard Disk: Intel X25-M 80GB SSD (Supplied by Intel)


Cooling: GIGABYTE 3D Galaxy II Water Cooling


Operating System: Microsoft Windows Vista X64 SP1


Drivers: ATI Catalyst 9.6


Now we get onto testing the setups. Today we will be doing tests using the IGP's only. We will be testing in SidePort Only, UMA Only and Sideport+UMA modes on each board to determine the performance gains or hits, if any.


EVEREST Ultimate Edition


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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.


Onboard Graphics Shootout - AMD 790GX vs. 785G


First off, we have memory performance. When UMA and Sideport+UMA are used the system takes a performance hit because some of the system memory is allocated to the IGP. In SidePort Only mode we see that the system takes no performance hit. It's as if it's a discrete GPU.


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