2.7-zip
Intel Pentium M 1.86GHz testing with a IBM 2668F5G and AMD Mobility Radeon X300 128MB on Ubuntu 12.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1206204-AR-27ZIP929591.
7-Zip Compression
Compress Speed Test
Phoronix Test Suite v10.8.4