While the CPU speed is faster, the i7 supports hyper-threading, while the i5 does not. However, this year, I transitioned from a 2013 i7 iMac to an 2017 i5 iMac. I made it a point to use the same three test files for the last several years so that we could compare results. Here’s a link to my most recent test before this one. NOTE: I first began testing compression speed in 2014. This isn’t top of the line by any means, but it is typical of the systems of many of us. Here’s the system I used for testing: a 2017 27″ iMac with an i5 CPU. As that system has not yet been released, I have no way to verify the performance difference. NOTE: Apple’s release notes indicate that many of these performance enhancements are designed to optimize Compressor for the upcoming 2019 Mac Pro. You’ll find a link to a PDF containing all my timings in the Extra Credit section below. However, both versions of Compressor consistently failed to compress a ProRes 4444 file into HEVC 10-bit, while AME compresses it easily – and quickly.īased on these findings, you’ll find Compressor performance for the new version essentially the same as the older version, while Adobe Media Encoder will be significantly faster compressing material for H.264.Compressor 4.4.5 is, on average, 45% faster than AME 2019 when compressing HEVC 8-bit footage.Compressor 4.4.5 is, on average, 36% slower than AME 2019 when compressing the same footage into H.264.The latest version of Compressor is about 8% faster when compressing for HEVC 8-bit, compared to the earlier version.The latest version of Compressor (4.4.5) is 29% slower, on average, when compressing for H.264 when compared to the previous version of Compressor.The test movies used three different source codecs: XDCAM EX, ProRes 422 HQ and ProRes 4444. While both Compressor and AME support a wide variety of codecs, I tested two of the most popular delivery codecs: H.264 and HEVC. Then, because Compressor speeds have often lagged the competition, I also decided to compare the compression speeds of the latest version of Compressor to the current version of Adobe Media Encoder Since all of us rely on compression to deliver our final projects, I wanted to see how much improvement Apple made to this essential software. One of the key features in the update was improved performance. Apple released the latest version of Compressor (4.4.5) last Monday.
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