Summary
Install driver 31.0.101.5379 or newer.
Description
When running the benchmark included in Assassin's Creed: Origins*, the results are around 20% below the expected values when using Intel® Arc™ Graphics Cards. Also, using a different processor affects the results, but it shouldn't.
Resolution
A fix for this issue was introduced in driver 31.0.101.5379. Install this or a newer driver.