1596 MHz
Intel Xeon E5620 testing with a HP ProLiant DL320 G6 and AMD nee ATI ES1000 128MB on Debian Linux Wheezy/sid via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1308156-BY-1596MHZ1968&export=pdf.
7-Zip Compression
Compress Speed Test
Phoronix Test Suite v10.8.5