7zip
Intel Core i3-3220 testing with a HP 3397 and AMD Radeon HD 7570 1024MB on Ubuntu 16.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1801159-KH-7ZIP9537206.
7-Zip Compression
Compress Speed Test
Phoronix Test Suite v10.8.4