Kingston HyperX Genesis 4GB 2133MHz DDR3 Memory Kit Review

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x264 HD Encoding

x264 HD Encoding

Simply put, it is a reproducible measure of how fast your machine can encode a short HD-quality video clip into a high quality x264 video file. It’s nice because everyone running it will use the same video clip and software. The video encoder (x264.exe) reports a fairly accurate internal benchmark (in frames per second) for each pass of the video encode and it also uses multi-core processors very efficiently. All these factors make this an ideal benchmark to compare different processors and systems to each other.

x264 HD Benchmark

We scaled this chart to the second pass (red) which is the more CPU intensive of the two. The increased memory bandwidth of the Kingston HyperX Genesis 2133MHz kit shows through again. We see a very slight speed increase at the default clock speeds of the Intel Core i7 2600K, yet in the 1st pass it’s almost 2fps slower. With the CPU clocked up to 4.9GHz it’s a little different story. The first pass completes at 130.19fps which is quite an amazing number! In the second pass we see a very slight gain in performance over the 1600MHz memory speed.

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