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Manufacturer: AMD
Price: $ N/A US
Author: Steve
Date: 07/12/2009

[ Test System Specs & Channel Performance ]

Test System Specs
Phenom X4 Test System Specs
- AMD Phenom X4 II 955 (AM3)
- x2 Crucial Ballistix Tracer 2GB DDR3-1333 (CAS 6-6-6-20)
- ASUS M4A79T Deluxe (AMD 790FX)
- OCZ GameXStream (700 watt)
- Seagate 500GB 7200-RPM (Serial ATA300)
- ASUS GeForce GTX 285 (1GB)
Software
- Microsoft Windows Vista Ultimate SP1 (64-bit)
- Nvidia Forceware 185.85

First up we are going to take a quick look at the impact running the memory in either the Ganged or Unganged modes has. By default most AMD motherboards should opt for the Unganged mode, as traditionally it does provide better real-world performance.

As you can see, running the memory in the Ganged mode does deliver slightly better bandwidth performance when opposed to the Unganged setting. When testing with EVEREST Ultimate Edition the write performance remained the same regardless of how the memory was configured, while the Ganged mode did deliver 4% more performance.

Although the Ganged mode does deliver better memory bandwidth performance it is not as effective in real-world applications, as we see here when testing with WinRAR. Although the margins were small, the Unganged configuration was faster in both the single and multi-thread tests.

When using Street Fighter IV to measure gaming performance, we again see that the difference between running the memory in either the Ganged or Unganged mode is minimal. Still, the Unganged configuration was slightly faster, and that is why most users prefer this setting.

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