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Sapphire PI-AM3RS785G 785G Chipset Motherboard Review

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With the unboxing and closer look at the hardware and software that make the Sapphire Pure PI-AM3RS785G tick out of the way, we can now get to the nitty gritty of the review – the testing. To test the PI-AM3RS785G, I will be running a series of video and scientific benchmarks designed to push the hardware to the limits and see how well it performs. To see how well it stands out, it will be placed head-to-head with two other motherboards, one based on the same 785G chipset and one based on the 790X chipset, which is a step ahead of the 785G, but will show how the performance compares to each.


DDR3 Testing Setup:

  • Processor: AMD Phenom II X4 965
  • Motherboard: Gigabyte MA790XT-UD4P, GA-MA785GMT-UD2H
  • Memory: OCZ Spec Ops Urban Elite DDR3 2 x 2GB 1600MHz 7-7-7-20
  • Video Card : NVIDIA GTX 260 (216)
  • Power Supply: Mushkin 800w Modular Power Supply
  • Hard Drive: 1 x Seagate 7200.11 750GB SATA w/ 32MB Cache
  • Optical Drive: Lite-On 8x DVD+/-RW
  • OS: Windows Vista Ultimate Edition



Overclocked settings:

  • Processor: Phenom II X4 965 @ 3.706GHz 1.5v
  • System Memory: OCZ Spec Ops 2x2GB @ 1744MHz 7-7-7-20

When it came to overclocking the Sapphire Pure PI-AM3RS785G, I was a bit disappointed. Since there were minimal options in the BIOS, I could only get so much before the computer became unstable. I even tried getting more out of it by using the newest AMD Overdrive 3 utility, but with no luck. The highest I could push the reference clock, no matter how much voltage I gave it, was 218MHz and then I hit the wall where I could not go any further. With that limit, I ran the overclocked settings at 218MHz x 18 for a total overclock speed of 3.706MHz on the processor and 1744MHz on the memory.





  • Scientific & Data:
  1. Apophysis
  2. WinRAR
  3. Excel 2007
  4. PCMark Vantage Professional
  5. Sandra XII
  6. ScienceMark 2.02
  7. Cinebench 10
  8. HD Tune 2.55
  • Video:
  1. Far Cry 2
  2. Crysis Warhead
  3. BioShock
  4. Call of Duty: World at War
  5. Dead Space 
  6. Fallout 3 
  7. Left 4 Dead
  8. 3DMark 06 Professional
  9. 3DMark Vantage

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