Core 2 Duo T9900 @ 2.301GHz (Turbo), Intel Core 2 Duo t9900 @ 3.06GHz, Intel Core2 Duo T9300 @ 2.50GHz CPU TEST 2.301GHz is turbo. Thinkpad T61 with mobo hw mod for t9900 Intel Core 2 Duo t9900 @ 3.06GHz: Thinkpad t61 upgraded with t9900, mobo hw mod applied, speedstep disabled in bios to run full 3ghz Intel Core2 Duo T9300 @ 2.50GHz CPU TEST: Thinkpad r61i cpu upgraded to t9300. Checking performance improvement vs t5750 CPU T9900@2.301GHz Turbo: Processor: Intel Core 2 Duo T9900 @ 2.30GHz (2 Cores), Motherboard: LENOVO 6463Y3W, Chipset: Intel Mobile PM965/GM965/GL960 + ICH8M-E, Memory: 4096MB, Disk: 240GB Crucial_CT240M50, Graphics: Intel Mobile GM965/GL960 IGP (primary), Audio: Analog Devices AD1984, Network: Intel 82566MM Gigabit Connection + Intel PRO/Wireless OS: Ubuntu 14.04, Kernel: 4.4.0-38-generic (x86_64), Desktop: GNOME 3.9.90, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, OpenGL: 2.1 Mesa 11.2.0, Compiler: GCC 4.8.4, File-System: ext4, Screen Resolution: 1280x800 Test02: Processor: Intel Core 2 Duo T9900 @ 3.06GHz (2 Cores), Motherboard: LENOVO 6463Y3W, Chipset: Intel Mobile PM965/GM965/GL960 + ICH8M-E, Memory: 4096MB, Disk: 240GB Crucial_CT240M50, Graphics: Intel Mobile GM965/GL960 IGP (primary), Audio: Analog Devices AD1984, Network: Intel 82566MM Gigabit Connection + Intel PRO/Wireless OS: Ubuntu 14.04, Kernel: 4.4.0-38-generic (x86_64), Desktop: GNOME 3.9.90, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, OpenGL: 2.1 Mesa 11.2.0, Compiler: GCC 4.8.4, File-System: ext4, Screen Resolution: 1280x800 t9300-Test00: Processor: Intel Core 2 Duo T9300 @ 2.50GHz (2 Cores), Motherboard: LENOVO 7650A11, Chipset: Intel Mobile PM965/GM965/GL960 + ICH8M, Memory: 2048MB, Disk: 240GB Crucial_CT240M50, Graphics: Intel Mobile GM965/GL960 IGP (primary), Audio: Intel 82801H, Network: Broadcom NetLink BCM5787M Gigabit PCI + Intel PRO/Wireless OS: Ubuntu 14.04, Kernel: 3.19.0-47-generic (x86_64), Desktop: GNOME 3.9.90, Display Server: X Server 1.17.1, Display Driver: intel 2.99.917, OpenGL: 2.1 Mesa 10.5.9, Compiler: GCC 4.8.4, File-System: ext4, Screen Resolution: 1280x800 CacheBench Test: Read MB/s > Higher Is Better T9900@2.301GHz Turbo . 2688.61 |=============================================== Test02 ............... 1347.47 |======================== t9300-Test00 ......... 2263.99 |======================================== x264 2015-11-02 H.264 Video Encoding Frames Per Second > Higher Is Better T9900@2.301GHz Turbo . 40.06 |================================================= Test02 ............... 20.57 |========================= t9300-Test00 ......... 30.65 |===================================== x264 OpenCL 2014-08-30 H.264 Video Encoding Frames Per Second > Higher Is Better T9900@2.301GHz Turbo . 38.08 |================================================= Test02 ............... 20.49 |========================== t9300-Test00 ......... 29.31 |====================================== 7-Zip Compression 9.20.1 Compress Speed Test MIPS > Higher Is Better T9900@2.301GHz Turbo . 5143 |================================================== Test02 ............... 2734 |=========================== t9300-Test00 ......... 3931 |====================================== Gzip Compression 2GB File Compression Seconds < Lower Is Better T9900@2.301GHz Turbo . 17.63 |========================= Test02 ............... 34.12 |================================================= t9300-Test00 ......... 21.23 |============================== LAME MP3 Encoding 3.99.3 WAV To MP3 Seconds < Lower Is Better T9900@2.301GHz Turbo . 21.07 |========================= Test02 ............... 42.05 |================================================= t9300-Test00 ......... 25.06 |=============================