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iozone v1.5.0 (Disk Benchmarks)
The IOzone benchmark tests the hard disk drive / file-system performance.
System Hardware
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Processor: 2 x AMD Opteron 4274 HE @ 2.50GHz (Total Cores: 16), Motherboard: MSI MS-91F7, Chipset: ATI RD890 PCI to PCI bridge + SB700/SB800, System Memory: 4 x 8192 MB 1333MHz, Disk: 64GB 9750-4i DISK + 2936GB 9750-4i DISK, Graphics: ASPEED ASPEED Graphics Family
System Software
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OS: Ubuntu 10.04, Kernel: 3.0.0-14-server (x86_64), Compiler: GCC 4.4.3, File-System: ext3, Screen Resolution: Unknown
Additional Details
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Test Administrator: root
Test Date/Time: February 6, 2012 08:28 AM
Phoronix Test Suite: v2.4.1
Test Notes:
Disk Scheduler: DEADLINE. eCryptfs was active.. AMD Cool n Quiet was enabled
Test Results
IOzone 3.323
Size: 2GB - Disk Test: Write Performance

Compare these results against your Linux PC. Run phoronix-test-suite benchmark root-21495-17310-17692 and wait for the results (with comparative numbers) to appear. It's as easy as that!
Global ID: root-21495-17310-17692