![]() Thanks to the testing we did with the same 4000MHz RAM kit in part one, we knew that our sticks could hit 4000MHz with tighter 16-17-17-34 timings without any instability. Meanwhile, the transcode test utilises the popular open source Handbrake application, and tests how quickly our test rig can transcode one of our Patreon video files into x264 and x265 (HEVC) formats using the Production Standard preset at quality setting RF 18. The rendering side is handled by Cinebench R20, an industry-wide CPU benchmark that mimics the creation of a 3D scene in professional 3D software suite Cinema 4D. As usual, we've tested two popular tasks, 3D scene rendering and video transcoding. Let's move onto the next tests, and then we can cover why we chose these particular configurations in more depth. Meanwhile, latency increased by around 7ns between our CL16 and CL19 results at 4000MHz, and otherwise slowly increased as we go down the chart - with a few exceptions. That means in the perfect RAM-bound scenario, we'd expect to see a maximum performance advantage of only around 60 to 70 per cent by nearly doubling our RAM frequency. This advantage was 58 per cent in terms of write speeds and 65 per cent for copy speeds. In total, our fastest result (3800MHz CL16 with a fabric clock of 1900MHz) boasted 73 per cent better read speeds than our slowest result (2133MHz CL16). ![]() You can see how, as memory frequencies ramp up, we get a corresponding increase in read, write and copy speeds. For each configuration, we listed the frequency (in MHz), the latency (normally CL16) and the fabric clock (which we'll get into later). ![]() This'll allow us to see the theoretical maximum performance boost we'd see in a task that is limited only by memory speed, setting a kind of upper bound on the sort of gains we'd see from faster RAM in other tasks like content creation or gaming.įor this, we used Aida64's cache and memory benchmark, which includes four RAM-specific tests measuring read speeds, write speeds and copy speeds, plus latency. Before we get into content creation, let's start with a synthetic benchmark that measures RAM speed specifically. ![]()
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