Linux Kernel Idle Power Consumption Comparison

Tests by Michael Larabel comparing the Linux kernel power consumption of various kernels on the same Haswell system.

HTML result view exported from: https://openbenchmarking.org/result/1610270-TA-KERNELIDL60&sor.

Linux Kernel Idle Power Consumption ComparisonProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLVulkanCompilerFile-SystemScreen ResolutionLinux 3.11Linux 3.12Linux 3.13Linux 3.14Linux 3.15Linux 3.16Linux 3.17Linux 3.18Linux 3.19Linux 4.0Linux 4.1Linux 4.2Linux 4.3Linux 4.4Linux 4.5Linux 4.6Linux 4.7Linux 4.8Linux 4.9Intel Core i7-4790K @ 4.00GHz (8 Cores)Gigabyte Z97-HD3PIntel 4th Gen Core DRAM16384MB120GB OCZ TRION100Intel Xeon E3-1200 v3/4th Gen Core IGPIntel Xeon E3-1200 v3/4thDELL P2415QRealtek RTL8111/8168/8411Ubuntu 16.103.11.0-031100-generic (x86_64)Unity 7.5.0X Server 1.18.4modesetting 1.18.43.3 Mesa 12.1.0-devel- padoka PPA1.0.21GCC 6.2.0 20161005ext43840x2160Intel Core i7-4790K @ 4.40GHz (8 Cores)3.12.0-031200-generic (x86_64)3.13.0-031300-generic (x86_64)3.14.0-031400-generic (x86_64)3.15.0-031500-generic (x86_64)3.16.0-031600-generic (x86_64)3.17.0-031700-generic (x86_64)3.18.0-031800-generic (x86_64)3.19.0-031900-generic (x86_64)4.0.0-040000-generic (x86_64)4.1.0-040100-generic (x86_64)4.2.0-040200-generic (x86_64)4.3.0-040300-generic (x86_64)4.4.0-040400-generic (x86_64)4.5.0-040500-generic (x86_64)4.6.0-040600-generic (x86_64)4.7.0-040700-generic (x86_64)4.8.0-040800-generic (x86_64)4.9.0-999-generic (x86_64) 20161025OpenBenchmarking.orgProcessor Details- Linux 3.11: Scaling Governor: acpi-cpufreq ondemand- Linux 3.12: Scaling Governor: intel_pstate powersave- Linux 3.13: Scaling Governor: intel_pstate powersave- Linux 3.14: Scaling Governor: intel_pstate powersave- Linux 3.15: Scaling Governor: intel_pstate powersave- Linux 3.16: Scaling Governor: intel_pstate powersave- Linux 3.17: Scaling Governor: intel_pstate powersave- Linux 3.18: Scaling Governor: intel_pstate powersave- Linux 3.19: Scaling Governor: intel_pstate powersave- Linux 4.0: Scaling Governor: intel_pstate powersave- Linux 4.1: Scaling Governor: intel_pstate powersave- Linux 4.2: Scaling Governor: intel_pstate powersave- Linux 4.3: Scaling Governor: intel_pstate powersave- Linux 4.4: Scaling Governor: intel_pstate powersave- Linux 4.5: Scaling Governor: intel_pstate powersave- Linux 4.6: Scaling Governor: intel_pstate powersave- Linux 4.7: Scaling Governor: intel_pstate powersave- Linux 4.8: Scaling Governor: intel_pstate powersave- Linux 4.9: Scaling Governor: intel_pstate powersave

Linux Kernel Idle Power Consumption ComparisonLinux 3.11Linux 3.12Linux 3.13Linux 3.14Linux 3.15Linux 3.16Linux 3.17Linux 3.18Linux 3.19Linux 4.0Linux 4.1Linux 4.2Linux 4.3Linux 4.4Linux 4.5Linux 4.6Linux 4.7Linux 4.8Linux 4.9OpenBenchmarking.org

Timed Idle

System Power Consumption Monitor

OpenBenchmarking.orgWatts, Fewer Is BetterTimed IdleSystem Power Consumption MonitorLinux 4.6Linux 4.2Linux 3.18Linux 3.17Linux 3.16Linux 3.15Linux 3.13Linux 4.4Linux 4.0Linux 3.11Linux 4.8Linux 4.7Linux 4.1Linux 3.14Linux 3.19Linux 4.9Linux 4.3Linux 3.12Linux 4.51122334455Min: 31.6 / Avg: 32 / Max: 35.1Min: 34.7 / Avg: 34.89 / Max: 36.2Min: 34.9 / Avg: 35.01 / Max: 35.7Min: 35 / Avg: 35.11 / Max: 35.8Min: 35 / Avg: 35.18 / Max: 36.6Min: 35.1 / Avg: 35.26 / Max: 36Min: 35 / Avg: 35.39 / Max: 37.9Min: 34.9 / Avg: 35.42 / Max: 46.4Min: 35.3 / Avg: 35.42 / Max: 36.1Min: 35.3 / Avg: 35.43 / Max: 36Min: 35.4 / Avg: 35.55 / Max: 36.1Min: 35.2 / Avg: 35.59 / Max: 41.9Min: 35.6 / Avg: 35.7 / Max: 36.6Min: 35.6 / Avg: 35.73 / Max: 36.4Min: 35.6 / Avg: 35.74 / Max: 36Min: 35.6 / Avg: 35.77 / Max: 36.3Min: 35.2 / Avg: 35.88 / Max: 49.8Min: 35.7 / Avg: 36.05 / Max: 42.1Min: 35.5 / Avg: 36.4 / Max: 53.7

Phoronix Test Suite v10.8.5