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Kingston HyperX PC3-17066 (2133MHz) 4GB Kit - Test System Setup and wPrime

By: Shawn Baker | DDR-3 Memory in RAM | Posted: Mar 5, 2010 2:15 am
TweakTown Rating: 92%Manufacturer: Kingston

Test System Setup


Processor(s): Intel Core i7 860 @ Varies (See Graphs)
Cooling: Noctua NH-U12P (Supplied by Noctua)
Motherboard(s): ASROCK P55 Deluxe (Supplied by ASROCK)
Video Card: Gigabyte GTX 285 896MB (Supplied by GIGABYTE)
Hard Disk(s): Western Digital 300GB Velicorapter (Supplied by Western Digital)
Operating System: Windows 7
Drivers: ForceWare 191.07


Today we'll have a look at the Kingston modules against a couple of other kits from TEAM, A-DATA and G.SKill. What we'll mainly be looking at, though, is seeing how the Kingston modules compare against each other in stock and overclocked form.


Let's get started!


Important Note: When modules are overclocked we adjust the BCLK which not only lets us fine tune the MHz out of a module, but in turn increases the overall CPU clock speed. While we always make the effort to include the BCLK and CPU Speed in our graphs, please just make sure that you make note of these when looking at the results. In some tests that don't purely test the memory speed, the extra MHz on offer from the CPU can increase the result. Of course, it's also worth noting that having faster memory gives you the ability to run your CPU at a higher speed.




Version and / or Patch Used: 1.62
Developer Homepage:
Product Homepage:



wPrime uses a recursive call of Newton's method for estimating functions, with f(x)=x2-k, where k is the number we're sqrting, until Sgn(f(x)/f'(x)) does not equal that of the previous iteration, starting with an estimation of k/2. It then uses an iterative calling of the estimation method a set amount of times to increase the accuracy of the results. It then confirms that n(k)2=k to ensure the calculation was correct. It repeats this for all numbers from 1 to the requested maximum.




You can see due to the clock speed of the CPU the HyperX does fall behind when compared to some of the other kits. Looking at just the HyperX, though, you can see when we start moving up the MHz table performance becomes stronger. But even when overclocked we're over 200MHz behind the other kits in CPU clock speed.


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