7zip
Intel Atom N280 testing with a MSI U-100 and Intel Mobile 945GME IGP 256MB on Debian 6.0.3 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1112304-AR-7ZIP9314525.
7-Zip Compression
Compress Speed Test
Phoronix Test Suite v10.8.4