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Mushkin 996996 8GB DDR3 2133MHz Review


Mushkin 996996 8GB 2133MHz Testing:

Memory is often hard to separate from one kit to another in gaming, but when it comes to number crunching and computing, some memory provides an extra boost in comparison. To see just what kind of performance this kit has to offer, I will be running the modules through a series of benches to see just how they compare. There will be 8GB and 16GB kits ranging in speed from 2133MHz - 2400MHz, tested at native speeds as well as overclocked. Overclocking of course will be dependent on exactly how far the testing rig will allow, but I'll push it as far as I can. The testing setup used for these benchmarks is listed below, where Turbo Boost has been disabled to eliminate uncontrolled clock changes that may skew the results. The CPU will be run with default Boost clock speed of 3.9GHz for baseline testing and bumped up to 4.2 GHz for OC testing, or as close as possible to that speed. All current updates and patches are installed for Windows 7 Professional 64-bit and the latest driver for the NVIDIA GTX 770 will be used.


Testing Setup:


Comparison Modules:


CPU-Z: This application visually shows 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.

Task Manager



Overclocking on Intel Haswell processors is quite a bit different from what we are used to in the last few generations, where the CPU clock speeds did not influence the clock speed the memory controller could handle. Entry to Haswell memory overclocking 101 shows that while the CPU may handle a nice overclock of up 4.7GHz to 5.0GHz on really impressive examples, the memory may not scale up past 1866MHz or 2133MHz at those CPU clock speeds, even though the memory modules are rated much higher. What I found on both of my CPUs was that anything greater than around 4250MHz on the CPU would not run the memory at 2600MHz or higher.

With that being said the CPU clock speed is kept within that window or right at 4.25GHz in this case. By using the 125MHz CPU strap I was able to push the Mushkin 996996 modules up to 2333MHz. I had to use this method since I could not get 2400MHz to boot with the modules with up to 1.75v and relaxed primary timings. The next dividers down did not offer enough bclk stretch to get to the final clock speeds. To reach 2333MHz I did have to relax the CAS latency to 10 and TRCD to 12 while pushing the voltage to 1.730v to get 2333MHz stable. The voltages for the memory controller were left on auto since the voltages applied were sufficient to manage the memory clock speed. There might be more in these modules but relaxing the timings further would have an adverse effect on performance. All in all the overclocking netted a 200MHz boost in clock speed that helped improve performance measurably.



Maximum Memory Speed:

The maximum memory speed for each set of overclocked modules is indicative of how well the modules ran on this test system. As such, your results may differ in either a positive or negative way based on the capabilities of your hardware. In other words, your mileage may vary!


The benchmarks used in this review include the following:


  • PCMark 8
  • Geekbench 2.1
  • Hyper  Pi 0.99
  • SiSoft Sandra 2013
  • X.264 
  • AIDA64
  • Metro: Last Light

  1. Mushkin 996996 8GB DDR3 2133MHz: Introduction & Closer Look
  2. Mushkin 996996 8GB DDR3 2133MHz: Specifications & Features
  3. Mushkin 996996 8GB DDR3 2133MHz Testing: Setup & Overclocking
  4. Mushkin 996996 8GB DDR3 2133MHz Testing: PCMark 8, Geekbench, Hyper Pi
  5. Mushkin 996996 8GB DDR3 2133MHz Testing: Sandra 2013, X.264, AIDA64
  6. Mushkin 996996 8GB DDR3 2133MHz Testing: Metro: Last Light
  7. Mushkin 996996 8GB DDR3 2133MHz Conclusion
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