7zip
Intel Core 2 6420 testing with a Gigabyte P35-DS4 and NVIDIA GeForce 8800 GT 512MB on LinuxMint 13 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1302121-RA-7ZIP7654760.
7-Zip Compression
Compress Speed Test
Phoronix Test Suite v10.8.4