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AMD Trinity A10-5800K APU Review

Author: SKYMTL
Date: October 9, 2012
Product Name: AMD A10-5800K
Part Number: AD580KWOHJBOX
Warranty: 3 Years
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The Effect of Memory Speeds on IGP Performance


On AMDís APUs, the integrated graphics processor is linked directly to the systemís memory. Not only does AMD suggest that you have at least 8GB of memory to ensure thereís enough for Windows, applications and GPU use but they also recommends using 1866MHz memory for Trinity. The main reason for this is quite simple: the HD 7000-series cores within this architecture are based off of desktop parts that typically run memory speeds of between 1800MHz and 4000MHz. As such, anything lower than 1800MHz may cause some bottlenecking and lower than expected in-game performance.

In order to put AMDís claims to the test, we benchmarked a number of applications at 1600MHz, 1866MHz, 2133MHz and a blistering 2400MHz as well. Timings were left at 9-9-9-25 1T and all other methodologies for game testing were left in place.




As we can see, the HD 7660D within the A10 5800K absolutely adores higher memory speeds with significant performance increases being realized across the board. However, framerates start to level out at 2133MHz and bumping speeds up to 2400MHz yields minimal benefits. In our opinion the best route for Trinity users is to buy a good kit of 1866MHz memory and overclock it as needed.
 
 
 

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