The slowest option can be between 15 to 30 percent slower than the fastest option currently in the market. The performance gap is nonetheless smaller than expected especially when compared to machines running on the older Iris Xe 96 EUs.https://www.notebookcheck.net/After-testing-over-a-dozen-Arc-140V-laptops-we-now-which-are-the-slowest-and-fastest-models-for-gaming.977241.0.html
The options given of the best/worst performers in the main article contradicts the information in the data sheet layout.