Data: https://docs.google.com/spreadsheets/d/1el-h-UPaLsXMxtOjnx-B26AvYqX57a8iHWTMo0GinzM/edit?usp=sharing
Source: https://github.com/bbpennel/rdf-serialization-metrics
When serializing a model, the impact of the RDF format is generally minor, with all 3 formats serializing 10000 properties/literals in < 1 second. At 1,000,000 literals, JSON-LD starts to under perform by a factor of around 5, but still only took 4.5 seconds.