1231 JPEG XL
Intel Xeon E3-1231 v3 testing with a Gigabyte H81M-S1 (FF BIOS) and Sapphire AMD Radeon HD 4550 on Debian 10 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/2102123-HA-1231JPEGX38.
JPEG XL
Input: JPEG - Encode Speed: 5
JPEG XL
Input: JPEG - Encode Speed: 7
Phoronix Test Suite v10.8.4