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G.Skill F3-12800CL8T-6GBHK Review

RHKCommander959    -   August 9, 2009
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Testing:

To test these modules, they will be ran at their rated speed through a handful of tests, and again when they are overclocked at a stable speed. Testing the memory while overclocked will be difficult. Not all memory manufacturers produce all of the parts to their memory. Generally, companies will purchase memory ICs from other vendors and either run them at or under/over their rated settings. Obviously, when companies pre-overclock memory, they generally have less headroom for extra overclocking. Some companies speed bin the memory ahead of time and sell memory targeted to overclockers. This all factors together as to how well a kit will overclock. Once the results are in they are compared to similar memory kits and the results are examined.

Testing Setup:

Comparison Modules:

CPU-Z: This application shows us the settings that we have chosen in the BIOS. Items shown in this application include CPU speed and bus settings, motherboard manufacturer, BIOS revisions, memory timings, and SPD chip information.

 

Task Manager: We use this utility to show physical memory, kernel memory, page file, and processor usage.

 

Overclocking:

Overclocked settings:

  • Processor: Intel Core i7 920 150x20= 3000MHz
  • Memory: GSkill F3-12800 8-8-8-21 DDR3 1808MHz

When I set out to overclock these modules, I had a goal of reaching 1866 with reasonable settings. Loosening the timings and increasing the voltage did not greatly improve stability beyond 1800MHz, and the modules weren't hot at all. Nothing like the original DDR days. No matter how much QPI or memory voltage I poured in, the results were similar. The highest I could manage to boot with was 1868MHz, unstable and 2Mhz over of my goal of 1866, with rolling blue screens proving that these modules were finicky at higher speeds. They appeared stable with CAS 10, which didn't add any headroom, but then what's the point at running that loosely with high voltage.  At CAS 9 they would boot happily and run for a while until a random BSOD would appear. Testing was conducted with 1.66V at stock timings.  The overclocked testing was done at 1800MHz, rather than the volatile settings and loose timings that were needed for the extra 66MHz. 1800MHz was very simple.

 

 

The benchmarks used in this review include the following:

Benchmarks:

  • CPU-Z Version 1.51
  • Windows Task Manager
  • PCMark Vantage
  • SiSoft Sandra 2009
  • Left 4 Dead

 




  1. Introduction & Closer Look
  2. Specifcations & Features
  3. Testing (Setup & Overclocking)
  4. Testing: PcMark Vantage, Sandra 2009
  5. Testing: Left 4 Dead
  6. Conclusion
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