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Intel Atom vs. VIA Nano Platform Comparo - Test System Setup and Memory Performance

Atom and Nano are the most power efficient CPUs on the market. Today we see who has the most impressive platform.

By: | Editorials in CPUs, Chipsets & SoCs | Posted: Aug 11, 2008 4:00 am

Test System


Memory: 2x 1GB DDR2-1186MHz Geil (Supplied by Geil) and 1x 2GB DDR2 Generic


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


Graphics Card: GIGABYTE 9800GX2 (Supplied by GIGABYTE) and IGPs


Operating System: Microsoft Windows Vista SP1


Drivers: Intel INF Beta, VIA Hyperion, Forceware 175.16


Today's tests consist of two different setups. First off, we have our Atom test bed using a single 2GB generic 800MHz memory module. Next, we have the VIA Nano running 2x1GB modules in dual channel to make up the same 2GB.


All systems were tested with the IGPs running the maximum amount of system memory to the IGP. And just for fun, we threw the 9800 GX2 on the Nano platform to see what it is capable of.


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.


Intel Atom vs. VIA Nano Platforms


Intel Atom vs. VIA Nano Platforms


Starting on memory performance, we get a look at just how well the Atom and Nano process memory bandwidth. VIA's dual channel approach allows it to get quite a bit more memory bandwidth than Atom which is stuck using single channel. This can be rectified by Intel allowing the second channel on the 945GM chipset. However, this isn't going to happen any time soon.


Using the discrete graphics option on the Nano allows for better memory performance, as all the memory is available for CPU usage and isn't being shared with the IGP.


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