Okay so we are back at synthetic testing. Here we have the read performance of the memory at that 2200 MHz clock frequency. Obviously we needed to overclock the PC to achieve this memory data rate.
As you can see, overclocked (dual-channel memory) we got performance over 20.000 MB/sec (!), stunning in a dual-channel configuration, yes absolutely stunning. Once we lower the memory divider to JEDEC 1333 CAS 9 we still get horrendous good performance though thanks to the increase baseclock.
Memory Write test
Write performance then -- A Phenom II processor will perform roughly in-between 6500 and 7000 MB/sec -- with sharp timings you'd take it to roughly 8000 MB/sec. Intel's latest Core i5 and I7 offerings will offer roughly 10.000 MB/sec at JEDEC 1333 MHz at Dual-channel configuration.
Core i7 Bloomfield Nehalem processors with triple channel will vary a little depending on model/QPI but maxes out at roughly 14.000 MB/sec again based on JEDEC timings and frequency of 1333 MHz -- overclocked or with fast DIMMs these would rock out as well.
G.Skill in dual-channel mode reaches a confusing 17.000 MB/sec at 2200 MHz. Now again, the increase baseclock really pushes the memory. But yeah, that's beating triple channel memory alright.
Let's transcode some video ..
Transcoding over the CPU or GPU
We recently added another benchmark to the test-suite. It's MediaShow Espresso. The fun thing about this video transcoder is that it can utilize the GPU to assist it with the transcending process. However, you can also solely use the CPU, making this a very interesting benchmark and you can check out behavior of CPU transcoding AND GPU transcoding all in one test.
Below you can find the first results of this new test. In this test we transcode a 200 MB AVCHD 1920x1080i media file to a 1280x720P MP4 binary.
Here again we have the processor at roughly 4 GHz with increased base clock in order to achieve the high memory data rate. Though this is more of a raw compute test, the faster memory does make a difference. Where it can really help though are games. Let browse to the next page.
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