When comparing Final Cut Pro X vs Avid Media Composer 8, the Slant community recommends Final Cut Pro X for most people. In the question“What are the best non-linear editors (NLEs)?” Final Cut Pro X is ranked 2nd while Avid Media Composer 8 is ranked 7th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro GPU utilization
Pro Powerful media organization
Pro Resolution independence
Pro Real-time graphics and effects
Pro 64-bit architecture
Pro Native format support
Pro Full high-quality pro-res support
Pro Integration with Motion
Pro Multicam editing
Pro ColorSync-managed color pipeline
Pro Built in 3D footage support
Pro Video can be edited live with no rendering
Pro Multicam editing mode supports up to 9 cameras simultaneously
Pro 64-bit
Pro PC and Mac support
Works on both Windows and OS X.
Cons
Con You need lots of plugins
For example tracking is something Final Cut can't do. Only with a plugin which costs (example) around 100$.
As well as for advanced colour correction you have get a third-party plugin.
Con Important compatibility and format issues
Breaks compatibility with previous versions of FCP and does not support industry standards such as EDL, OMF, AAF. You can export to their version of XML and use third-party tools for a workaround (with limited success).
Con Works only on OS X
Con Color grading is unfamiliar and nonprofessional
Especially compared to Premiere's Lumetri Color Panel in 2015 cc.