Haswell Power 2014 vs. 2015 Intel Core i7-4558U testing with a ASUS UX301LAA for a future article on Phoronix. Ubuntu 14.10: Processor: Intel Core i7-4558U @ 3.30GHz (4 Cores), Motherboard: ASUS UX301LAA v1.0, Chipset: Intel Haswell-ULT DRAM, Memory: 8192MB, Disk: 2 x 128GB SanDisk SD6SP1M1, Graphics: Intel Haswell-ULT IGP (1200MHz), Audio: Intel Haswell-ULT HD Audio, Monitor: LQ133T1JW14, Network: Intel Wireless 7260 OS: Ubuntu 14.10, Kernel: 3.16.0-23-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: intel 2.99.914, OpenGL: 3.3 Mesa 10.3.2, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 2560x1440 Ubuntu 15.10: Processor: Intel Core i7-4558U @ 3.30GHz (4 Cores), Motherboard: ASUS UX301LAA v1.0, Chipset: Intel Haswell-ULT DRAM, Memory: 8192MB, Disk: 2 x 128GB SanDisk SD6SP1M1, Graphics: Intel Haswell-ULT IGP (1200MHz), Audio: Intel Haswell-ULT HD Audio, Monitor: LQ133T1JW14, Network: Intel Wireless 7260 OS: Ubuntu 15.10, Kernel: 4.2.0-16-generic (x86_64), Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.0.2, Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 2560x1440 Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev: Processor: Intel Core i7-4558U @ 3.30GHz (4 Cores), Motherboard: ASUS UX301LAA v1.0, Chipset: Intel Haswell-ULT DRAM, Memory: 8192MB, Disk: 2 x 128GB SanDisk SD6SP1M1, Graphics: Intel Haswell-ULT IGP (1200MHz), Audio: Intel Haswell-ULT HD Audio, Monitor: LQ133T1JW14, Network: Intel Wireless 7260 OS: Ubuntu 15.10, Kernel: 4.4.0-999-generic (x86_64) 20151223, Desktop: Unity, Display Server: X Server 1.17.2, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.2.0-devel (git-41c7912 2015-12-24 wily-oibaf-ppa), Compiler: GCC 5.2.1 20151010, File-System: ext4, Screen Resolution: 2560x1440 LAME MP3 Encoding 3.99.3 WAV To MP3 Seconds < Lower Is Better Ubuntu 14.10 ............................. 13.21 |============================= Ubuntu 15.10 ............................. 13.35 |============================= Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . 13.40 |============================= LAME MP3 Encoding 3.99.3 WAV To MP3 Performance Per Watt > Higher Is Better Ubuntu 14.10 ............................. 0.00 | Ubuntu 15.10 ............................. 0.00 | Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . 0.00 | LAME MP3 Encoding 3.99.3 System Power Consumption Monitor Milliwatts < Lower Is Better Ubuntu 14.10 ............................. MIN: 19591 AVG: 22789 MAX: 24153 Ubuntu 15.10 ............................. MIN: 19280 AVG: 22072 MAX: 24209 Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . MIN: 19569 AVG: 22242 MAX: 24297 Meta Performance Per Watt Performance Per Watt Performance Per Watt > Higher Is Better Ubuntu 14.10 ............................. 81.85 |============================ Ubuntu 15.10 ............................. 83.09 |============================= Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . 83.65 |============================= System Power Consumption Monitor Phoronix Test Suite System Monitoring Milliwatts Ubuntu 14.10 ............................. MIN: 8180 AVG: 31976 MAX: 51259 Ubuntu 15.10 ............................. MIN: 8469 AVG: 33345 MAX: 52736 Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . MIN: 8391 AVG: 33264 MAX: 51526 Tesseract 2014-05-12 Resolution: 1920 x 1080 Frames Per Second > Higher Is Better Ubuntu 14.10 ............................. 28.83 |============================= Ubuntu 15.10 ............................. 28.20 |============================ Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . 28.38 |============================= Tesseract 2014-05-12 Resolution: 1920 x 1080 Frames Per Second Per Watt > Higher Is Better Ubuntu 14.10 ............................. 1.09 |============================== Ubuntu 15.10 ............................. 0.90 |========================= Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . 0.95 |========================== Tesseract 2014-05-12 System Power Consumption Monitor Milliwatts < Lower Is Better Ubuntu 14.10 ............................. MIN: 16405 AVG: 26456 MAX: 51259 Ubuntu 15.10 ............................. MIN: 21023 AVG: 31271 MAX: 52736 Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . MIN: 18703 AVG: 29879 MAX: 51526 Timed Linux Kernel Compilation 4.3 Time To Compile Seconds < Lower Is Better Ubuntu 14.10 ............................. 255.41 |=========================== Ubuntu 15.10 ............................. 260.09 |============================ Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . 261.66 |============================ Timed Linux Kernel Compilation 4.3 Time To Compile Performance Per Watt > Higher Is Better Ubuntu 14.10 ............................. 0.00 | Ubuntu 15.10 ............................. 0.00 | Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . 0.00 | Timed Linux Kernel Compilation 4.3 System Power Consumption Monitor Milliwatts < Lower Is Better Ubuntu 14.10 ............................. MIN: 17782 AVG: 31166 MAX: 34887 Ubuntu 15.10 ............................. MIN: 18192 AVG: 31359 MAX: 33821 Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . MIN: 17560 AVG: 31139 MAX: 33699 x264 2015-11-02 H.264 Video Encoding Frames Per Second > Higher Is Better Ubuntu 14.10 ............................. 85.43 |============================ Ubuntu 15.10 ............................. 86.63 |============================= Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . 87.69 |============================= x264 2015-11-02 H.264 Video Encoding Frames Per Second Per Watt > Higher Is Better Ubuntu 14.10 ............................. 2.52 |=========================== Ubuntu 15.10 ............................. 2.78 |============================== Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . 2.80 |============================== x264 2015-11-02 System Power Consumption Monitor Milliwatts < Lower Is Better Ubuntu 14.10 ............................. MIN: 29714 AVG: 33960 MAX: 35986 Ubuntu 15.10 ............................. MIN: 30236 AVG: 31145 MAX: 31845 Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . MIN: 30203 AVG: 31324 MAX: 31934 Xonotic 0.8 Resolution: 1920 x 1080 - Effects Quality: Ultra Frames Per Second > Higher Is Better Ubuntu 14.10 ............................. 26.37 |============================ Ubuntu 15.10 ............................. 27.19 |============================= Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . 27.12 |============================= Xonotic 0.8 Resolution: 1920 x 1080 - Effects Quality: Ultra Frames Per Second Per Watt > Higher Is Better Ubuntu 14.10 ............................. 0.75 |============================== Ubuntu 15.10 ............................. 0.72 |============================= Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . 0.72 |============================= Xonotic 0.8 System Power Consumption Monitor Milliwatts < Lower Is Better Ubuntu 14.10 ............................. MIN: 9668 AVG: 35195 MAX: 42224 Ubuntu 15.10 ............................. MIN: 25696 AVG: 37764 MAX: 46231 Ubuntu 15.10 - Linux 4.4 + Mesa 11.2-dev . MIN: 25674 AVG: 37562 MAX: 45432