Fedora 21 vs. Ubuntu 14.10 Laptop Power Use

Tests by Michael Larabel getting a rough look at power use on the same ASUS Zenbook under Fedora 21 and Ubuntu 14.10 Linux.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1501108-DE-FEDORABUN38
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Fedora 21
January 10 2015
 
Fedora 21 + Updates
January 10 2015
 
Ubuntu 14.10
January 10 2015
 
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Fedora 21 vs. Ubuntu 14.10 Laptop Power UseProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLCompilerFile-SystemScreen ResolutionFedora 21Fedora 21 + UpdatesUbuntu 14.10Intel Core i7-3517U @ 3.00GHz (4 Cores)ASUS UX32VDA v1.0Intel 3rd Gen Core DRAM4096MB2 x 128GB SanDisk SD5SF212Intel HD 4000 512MB (1150MHz)Intel 7 /C210Intel Centrino Advanced-N 6235Fedora 213.17.4-301.fc21.x86_64 (x86_64)GNOME Shell 3.14.2X Server 1.16.1intel 2.99.9163.3 Mesa 10.3.3GCC 4.9.2 20141101ext41920x10803.17.7-300.fc21.x86_64 (x86_64)GNOME Shell 3.14.3X Server 1.16.2.901 (1.16.3 RC 1)3.3 Mesa 10.4.1Ubuntu 14.103.16.0-28-generic (x86_64)Unity 7.3.1X Server 1.16.0intel 2.99.9143.3 Mesa 10.3.0GCC 4.9.1OpenBenchmarking.orgCompiler Details- Fedora 21: --build=x86_64-redhat-linux --disable-libgcj --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,objc,obj-c++,fortran,ada,go,lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-linker-hash-style=gnu --with-tune=generic - Fedora 21 + Updates: --build=x86_64-redhat-linux --disable-libgcj --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,objc,obj-c++,fortran,ada,go,lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=i686 --with-linker-hash-style=gnu --with-tune=generic - Ubuntu 14.10: --build=x86_64-linux-gnu --disable-browser-plugin --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-gnu-unique-object --enable-gtk-cairo --enable-java-awt=gtk --enable-java-home --enable-languages=c,c++,java,go,d,fortran,objc,obj-c++ --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-arch-directory=amd64 --with-multilib-list=m32,m64,mx32 --with-tune=generic -v Processor Details- Scaling Governor: intel_pstate powersaveSystem Details- Fedora 21: SELinux: Enabled. This was running on battery power.- Fedora 21 + Updates: SELinux: Enabled. This was running on battery power.- Ubuntu 14.10: This was running on battery power.

Fedora 21 vs. Ubuntu 14.10 Laptop Power Usec-ray: Total Timeencode-mp3: WAV To MP3Fedora 21Fedora 21 + UpdatesUbuntu 14.1074.0115.7674.2415.7473.9316.10OpenBenchmarking.org

C-Ray

This is a test of C-Ray, a simple raytracer designed to test the floating-point CPU performance. This test is multi-threaded (16 threads per core), will shoot 8 rays per pixel for anti-aliasing, and will generate a 1600 x 1200 image. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeFedora 21Fedora 21 + UpdatesUbuntu 14.101632486480SE +/- 0.02, N = 3SE +/- 0.13, N = 3SE +/- 0.02, N = 374.0174.2473.931. (CC) gcc options: -lm -lpthread -O3
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total TimeFedora 21Fedora 21 + UpdatesUbuntu 14.101428425670Min: 73.97 / Avg: 74.01 / Max: 74.03Min: 74.05 / Avg: 74.24 / Max: 74.47Min: 73.89 / Avg: 73.93 / Max: 73.971. (CC) gcc options: -lm -lpthread -O3

MinAvgMaxFedora 21142222576628208Fedora 21 + Updates146892655829015Ubuntu 14.10134602415825877OpenBenchmarking.orgMilliwatts, Fewer Is BetterC-Ray 1.1System Power Consumption Monitor7K14K21K28K35K

LAME MP3 Encoding

LAME is an MP3 encoder licensed under the LGPL. This test measures the time required to encode a WAV file to MP3 format. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3Fedora 21Fedora 21 + UpdatesUbuntu 14.1048121620SE +/- 0.02, N = 5SE +/- 0.01, N = 5SE +/- 0.01, N = 515.7615.7416.101. (CC) gcc options: -O3 -fomit-frame-pointer -ffast-math -pipe -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.99.3WAV To MP3Fedora 21Fedora 21 + UpdatesUbuntu 14.1048121620Min: 15.71 / Avg: 15.76 / Max: 15.8Min: 15.7 / Avg: 15.74 / Max: 15.77Min: 16.08 / Avg: 16.1 / Max: 16.121. (CC) gcc options: -O3 -fomit-frame-pointer -ffast-math -pipe -lm

MinAvgMaxFedora 21137272119326077Fedora 21 + Updates140232139824501Ubuntu 14.10133121964321985OpenBenchmarking.orgMilliwatts, Fewer Is BetterLAME MP3 Encoding 3.99.3System Power Consumption Monitor7K14K21K28K35K

Timed Idle

MinAvgMaxFedora 2157101483419084Fedora 21 + Updates136671542223872Ubuntu 14.10129051471928282OpenBenchmarking.orgMilliwatts, Fewer Is BetterTimed IdleSystem Power Consumption Monitor7K14K21K28K35K

System Power Consumption Monitor

MinAvgMaxFedora 2157102085428208Fedora 21 + Updates136672136129015Ubuntu 14.10129051971028282OpenBenchmarking.orgMilliwattsSystem Power Consumption MonitorPhoronix Test Suite System Monitoring7K14K21K28K35K