AHCI mode VS IDE mode AMD E-350 testing with a Acer JE40_BZ and AMD Radeon HD 6310 256MB on SUSE LINUX 12.1 via the Phoronix Test Suite. AHCI mode: Processor: AMD E-350 @ 1.60GHz (2 Cores), Motherboard: Acer JE40_BZ, Chipset: AMD Family 14h Root Complex, Memory: 2048MB, Disk: 320GB TOSHIBA MK3265GS, Graphics: AMD Radeon HD 6310 256MB (200/533MHz), Audio: ATI R6xx HDMI, Network: Atheros AR8151 v2.0 Gigabit + Atheros AR9287 Wireless OS: SUSE LINUX 12.1, Kernel: 3.5.0-TuoLei-1.16-desktop (x86_64), Desktop: GNOME Shell 3.2.2.1, Display Server: X Server 1.10.4, Display Driver: radeon 6.14.2, OpenGL: 2.1 Mesa 7.11 Gallium 0.4, Compiler: GCC 4.6 + Open64 5.0 + PathScale 4.0.12.1 + Clang, File-System: btrfs, Screen Resolution: 1366x768 IDE mode: Processor: AMD E-350 @ 1.60GHz (2 Cores), Motherboard: Acer JE40_BZ, Chipset: AMD Family 14h Root Complex, Memory: 2048MB, Disk: 320GB TOSHIBA MK3265GS, Graphics: AMD Radeon HD 6310 256MB (200/533MHz), Audio: ATI R6xx HDMI, Network: Atheros AR8151 v2.0 Gigabit + Atheros AR9287 Wireless OS: SUSE LINUX 12.1, Kernel: 3.5.0-TuoLei-1.16-desktop (x86_64), Desktop: GNOME Shell 3.2.2.1, Display Server: X Server 1.10.4, Display Driver: radeon 6.14.2, OpenGL: 2.1 Mesa 7.11 Gallium 0.4, Compiler: GCC 4.6 + Open64 5.0 + PathScale 4.0.12.1 + Clang, File-System: btrfs, Screen Resolution: 1366x768 PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better AHCI mode . 373 |============================================================== IDE mode .. 362 |============================================================ Unpacking The Linux Kernel linux-2.6.32.tar.bz2 Seconds < Lower Is Better AHCI mode . 42.32 |============================================================ IDE mode .. 40.13 |========================================================= Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better AHCI mode . 97.92 |====================================================== IDE mode .. 106.57 |=========================================================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better AHCI mode . 37.83 |============================================================ IDE mode .. 36.76 |========================================================== Compile Bench 0.6 Test: Compile MB/s > Higher Is Better AHCI mode . 162.16 |=========================================================== IDE mode .. 161.33 |=========================================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 256MB - Thread Count: 4 MB/s > Higher Is Better AHCI mode . 25.37 |============================================================ IDE mode .. 20.98 |================================================== Threaded I/O Tester 0.3.3 Test: Random Read - Size Per Thread: 256MB - Thread Count: 4 MB/s > Higher Is Better AHCI mode . 68.59 |============================================================ IDE mode .. 36.85 |================================ Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 256MB - Thread Count: 4 MB/s > Higher Is Better AHCI mode . 94.82 |================================== IDE mode .. 162.94 |=========================================================== Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 256MB - Thread Count: 4 MB/s > Higher Is Better AHCI mode . 157.26 |=========================================================== IDE mode .. 120.51 |============================================= IOzone 3.405 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better AHCI mode . 207.57 |=========================================================== IDE mode .. 195.00 |======================================================= IOzone 3.405 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better AHCI mode . 1817.09 |========================================================== IDE mode .. 1822.63 |========================================================== IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better AHCI mode . 204.60 |=========================================================== IDE mode .. 196.35 |========================================================= IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better AHCI mode . 187.76 |=========================================================== IDE mode .. 182.43 |========================================================= IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better AHCI mode . 1632.25 |========================================================= IDE mode .. 1654.96 |========================================================== IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better AHCI mode . 1045.48 |========================================================== IDE mode .. 1045.44 |========================================================== Dbench 4.0 Client Count: 6 MB/s > Higher Is Better AHCI mode . 17.64 |============================================================ IDE mode .. 17.62 |============================================================ BlogBench 1.0 Test: Read Final Score > Higher Is Better AHCI mode . 114606 |=========================================================== IDE mode .. 106828 |======================================================= Flexible IO Tester 1.57 Test: Example Network Job Seconds (Run Time) < Lower Is Better AHCI mode . 30.67 |=========================================================== IDE mode .. 31.18 |============================================================ AIO-Stress 0.21 Test: Random Write MB/s > Higher Is Better AHCI mode . 37.29 |============================================================ IDE mode .. 30.26 |=================================================