i7LAME
encode-mp3 v1.3.1 (Processor Benchmarks)
LAME is an MP3 encoder licensed under the LGPL. This test measures the time required to encode a WAV file to MP3 format.
System Hardware
Intel Core i7-2630QM
Processor: Intel Core i7-2630QM CPU @ 1.99GHz (Total Cores: 8), Motherboard: ASUSTeK K53SC v1.0, Chipset: Intel Device 0104, System Memory: 3874MB, Disk: 640GB ST9640423AS, Graphics: Intel Device 0116
System Software
Intel Core i7-2630QM
OS: PTS Desktop Live 2010.1, Kernel: 2.6.33-rc6-phx10 (x86_64), Desktop: GNOME 2.29.91, Display Server: X.Org Server 1.7.5, Display Driver: intel 2.9.1, Compiler: GCC 4.4.3, File-System: SquashFS + AuFS, Screen Resolution: 1024x768
Additional Details
Intel Core i7-2630QM
Test Administrator: ptslive
Test Date/Time: March 14, 2012 11:36 AM
Phoronix Test Suite: v2.4.1
Test Notes:
This computer was running on battery power
Test Results
LAME MP3 Encoding 3.98.2
WAV To MP3

Compare these results against your Linux PC. Run phoronix-test-suite benchmark ptslive-1188-20792-19068 and wait for the results (with comparative numbers) to appear. It's as easy as that!
Global ID: ptslive-1188-20792-19068