According to Adobe Help Center , to maintain smooth performance in this version, you should aim for:
Adobe After Effects 2020 (v17.0.0.557), released in November 2019, is a significant performance-focused update that addresses long-standing workflow bottlenecks for motion designers. This version introduces major improvements to preview playback, expressions, and 3D compositing, making it a robust choice for professional environments. Adobe After Effects 2020 v17.0.0.557
: The introduction of a new expressions engine significantly reduces calculations per frame. This makes complex projects—especially those utilizing Master Properties—much smoother to navigate. According to Adobe Help Center , to maintain
: Minimum 8 GB, but 16 GB to 32 GB is highly recommended for HD and 4K media. CPU : A 64-bit multi-core processor. : Reading multilayered EXR files is now 10
: Reading multilayered EXR files is now 10 to 20 times faster , drastically expediting 3D compositing workflows. It also includes native support for Cryptomatte.