7zip
Intel Celeron G1620 testing with a ASRock H67M and Intel Gen7 on Ubuntu 14.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1407096-SO-7ZIP8862094.
7-Zip Compression
Compress Speed Test
Phoronix Test Suite v10.8.4