The leaked results show the i9-7980XE 18-core CPU (overclocked to 4.8 GHz) scoring 37,485 points in the FutureMark FirstStrike benchmark, around 3 times faster than the i9-7900X 10-core CPU.
https://www.notebookcheck.net/Intel-i9-7980XE-18-core-CPU-benchmark-results-and-temps-get-leaked.246060.0.html