lame1
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
2011-01-05 21:00
Processor: Intel Core 2 Duo CPU T8100 @ 2.10GHz (Total Cores: 2), Motherboard: LENOVO 8918DFG, Chipset: Intel Mobile PM965/GM965/GL960 + ICH8M, System Memory: 3964MB, Disk: 160GB ST9160827AS, Graphics: Quadro NVS 140M 512MB (400/600MHz), Monitor: IBM
System Software
2011-01-05 21:00
OS: Ubuntu 10.04, Kernel: 2.6.32-27-generic (x86_64), Desktop: GNOME 2.30.2, Display Server: X.Org Server 1.7.6, Display Driver: nvidia 195.36.24, OpenGL: 3.2.0, Compiler: GCC 4.4.3, File-System: ext3, Screen Resolution: 1680x1050
Additional Details
2011-01-05 21:00
Test Administrator: mbb
Test Date/Time: January 5, 2011 09:00 PM
Phoronix Test Suite: v2.4.1
Test Notes:
Compiz and Firefox were running on this system. eCryptfs was active.. Intel SpeedStep Technology was enabled
Test Results
LAME MP3 Encoding 3.98.2
WAV To MP3

Compare these results against your Linux PC. Run phoronix-test-suite benchmark mbb-9184-24736-21313 and wait for the results (with comparative numbers) to appear. It's as easy as that!
Global ID: mbb-9184-24736-21313