Versions

8.17.10.0531	1.43%
8.17.10.0525	8.57%
8.17.10.0519	11.43%
8.17.10.0519	10.00%
8.17.10.0519	2.86%
8.17.10.0519	1.43%
8.17.10.0514	1.43%
8.17.10.0494	1.43%
8.17.10.0489	1.43%
8.17.10.0489	14.29%
8.17.10.0489	1.43%
8.17.10.0483	1.43%
8.17.10.0483	2.86%
8.17.10.0483	1.43%
8.17.10.0483	1.43%
8.17.10.0483	1.43%
8.17.10.0472	2.86%
8.17.10.0453	1.43%
8.17.10.0453	1.43%
8.17.10.0453	1.43%
8.17.10.0451	1.43%
8.17.10.0436	4.29%
8.17.10.0436	5.71%
8.17.10.0432	1.43%
8.17.10.0418	1.43%
8.17.10.0418	1.43%
8.17.10.0416	1.43%
8.17.10.0414	1.43%
8.17.10.0395	1.43%
8.17.10.0395	2.86%
8.17.10.0385	1.43%
8.17.10.0378	1.43%
8.17.10.0378	1.43%
8.17.10.0378	1.43%

atidxx64.dll has 34 known versions, the most recent one is 8.17.10.0531. The average file size is about 7.27 MB. It is an authenticode code-signed executable issued to AMD PMP-PE CB Code Signer v20130304 by the certification authority AMD PVP Certificate Authority v1. This is a .NET Common Language Runtime (CLR) assembly.