XAVC-S is just Sony's in-camera acquisition format for 8-bit 4:2:0 4k H264, usually at 100 megabit/sec and 29.97 fps. Sony XAVCS is Sony Propitiatory MP4.so its just their version of MP4.its the format all sony camera's record starting back on the A77ii dslr and CX900 camcorders. That is good news about Power Director since lots of people use it, plus many are looking for a low-cost yet capable NLE on Windows. However Resolve is cross platform so maybe it's faster on a custom-built Windows PC. I've tested the latest version of DaVinci Resolve 15, and it's pretty quick but not as fast as FCPX on timeline operations. My 2017 iMac can barely do that for a single stream of 4k but not for multicam. IOW using the JKL keys to switch from 1x, 2x, 4x speed, then reverse, how much keyboard lag and display lag is there.Īny hardware/software combination that can smoothly edit 4k H264 without proxies is quite an accomplishment.
This is because Premiere supports Quick Sync acceleration for encode only, not decode (at least on Mac).Ī good test for any editing software handling 4k H264 is how responsive it is on the timeline. With the 2018 updates to Adobe Premiere Pro, it is about equally fast on export to H264 as FCPX, but not nearly as fast scrubbing the timeline. However that is color-graded only, not using any effects. Using FCPX 10.4.3 on my 2017 iMac (which has a 4Gh i7-7700K and an 8GB Radeon Pro 580), it takes 38 sec to export 60 sec of color-graded 4k Sony XAVC-S. This software actually utilizes your hardware and I was able to render 4k video fully colour graded with effects in a 2:1 ratio.
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