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Sapphire Pure PC-AM2RX780 Review

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The Sapphire PC-AM2RX780 has gotten me interested in seeing what it can do with the lesser known AMD 770 chipset especially since it is made by the well known Sapphire graphics card manufacturer. To test the PC-AMRX780 motherboard I am going to push it to the limits using a series of video and scientific benchmarks designed to bench the performance of the board. To compare how the AMD 770 chipset stands up I am going to pit the PC-AM2RX780 up against two other chipsets in its class, which are the newer 790GX and the GeForce 8300 chipsets. This will give a good representation of where the Sapphire board with the 770 chipset sits among other mainstream motherboards. To keep the tests fair and eliminate any variables from interfering with the scores, all of the boards tested and the companion hardware will be run at their stock speeds, timings, and voltages unless noted as in the overclocking tests.


Test Setup: 


Comparison Motherboards:




Overclocked settings:

Since the Sapphire PC-AM2RX780 is an AMD chipset base board you can use either the BIOS for overclocking or the AMD Overclocking Utility. For the purpose of this review I tested overclocking on both options and ended up with the same result both ways. In the end the Sapphire board did not like any changes at all in the bus speed, not even 201Mhz, but this board was the most liberal I have had with the multiplier, allowing me to raise it up to 16x for a whopping 3.20GHz on the Phenom x4 9850 Black Box. This was achieved only by raising the VCore to 1.45v and Northbridge VID to 1.35v. This is one of the best overclockes I have achieved on this chip which goes to show you how well chipsets are evolving as time goes on.






  • Scientific & Data:
  1. Apophysis
  2. WinRAR
  3. SPECviewperf 10
  4. PCMark Vantage Professional
  5. SiSoft Sandra XII
  6. ScienceMark 2.02 Final
  7. CineBench 10
  8. HD Tune 2.55
  • Video:
  1. Crysis
  2. Knights of the Sea
  3. BioShock
  4. Call of Duty 4
  5. World in Conflict
  6. Call of Juarez
  7. Company of Heroes: Opposing Fronts
  8. 3DMark 06 Professional

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