amd-test
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
amdtest
Phenom X4
Processor: AMD Phenom II X6 1100T @ 3.30GHz (Total Cores: 6)
Motherboard: ASRock 890GX Extreme4
Chipset: AMD RS780 Alternate
System Memory: 7498MB
Disk: 2 x 1000GB WDC WD10EALX-009
Graphics: ATI Device 9714
Monitor: M1917TM
Processor: AMD Phenom 9950 Quad-Core @ 3.20GHz (Total Cores: 4)
Motherboard: Unknown
Chipset: AMD RS780 + SB700/SB800
System Memory: 2025MB
Disk: 1000GB WDC WD10EADS-65L + 1000GB ST31000520AS + 1000GB WDC WD1001FALS-0 + 60GB WDC WD600BB-00CA + 500GB 00AAKS-22TMA0
Graphics: ATI Radeon 3100 Graphics
System Software
amdtest
Phenom X4
OS: Ubuntu 10.04
Kernel: 2.6.32-32-generic (x86_64)
Desktop: GNOME 2.30.2
Display Server: X.Org Server 1.7.6
Display Driver: radeon 6.13.0
Compiler: GCC 4.4.3
File-System: ext4
Screen Resolution: 1280x1024
OS: Ubuntu 8.04
Kernel: 2.6.30.5-custom (i686)
Desktop: KDE 3.5.10
Display Server: X.Org Server 1.4.0.90
OpenGL: 1.2 (2.1.8575)
Compiler: GCC 4.2.4
File-System: ext3
Screen Resolution: 1366x768
Additional Details
amdtest
Phenom X4
Test Administrator: super-amd
Test Date/Time: June 2, 2011 07:02 AM
Phoronix Test Suite: v2.4.1
Test Notes:
Compiz and Firefox were running on this system. eCryptfs was active.. AMD Cool n Quiet was enabled
Test Administrator: sagacious
Test Date/Time: July 12, 2011 06:03 AM
Phoronix Test Suite: v2.0.0
Test Notes:
Firefox was running on this system
Test Results
LAME MP3 Encoding 3.98.2
WAV To MP3

Compare these results against your Linux PC. Run phoronix-test-suite benchmark sagacious-27572-7237-20253 and wait for the results (with comparative numbers) to appear. It's as easy as that!
Global ID: sagacious-27572-7237-20253