Intel Core i7 Linux P-State Tests
P-State and ACPI CPUFreq benchmarks using the Core i7 5960X Haswell-E in different modes. Benchmarks by Michael Larabel for a future article on Phoronix.com.


P-State Powersave: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Haswell-E DMI2, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Gigabyte AMD Radeon R9 270X 2048MB, Audio: Intel Wellsburg HD Audio, Monitor: SyncMaster, Network: Intel Connection

	OS: Ubuntu 14.10, Kernel: 3.17.0-999-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.2.6 Gallium 0.4, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 2560x1600

P-State Performance: 

	Processor: Intel Core i7-5960X @ 3.50GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Haswell-E DMI2, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Gigabyte AMD Radeon R9 270X 2048MB, Audio: Intel Wellsburg HD Audio, Monitor: SyncMaster, Network: Intel Connection

	OS: Ubuntu 14.10, Kernel: 3.17.0-999-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.2.6 Gallium 0.4, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 2560x1600

ACPI CPUFreq Ondemand: 

	Processor: Intel Core i7-5960X @ 3.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Haswell-E DMI2, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Gigabyte AMD Radeon R9 270X 2048MB, Audio: Intel Wellsburg HD Audio, Monitor: SyncMaster, Network: Intel Connection

	OS: Ubuntu 14.10, Kernel: 3.17.0-999-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.2.6 Gallium 0.4, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 2560x1600

ACPI CPUFreq Conservative: 

	Processor: Intel Core i7-5960X @ 3.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Haswell-E DMI2, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Gigabyte AMD Radeon R9 270X 2048MB, Audio: Intel Wellsburg HD Audio, Monitor: SyncMaster, Network: Intel Connection

	OS: Ubuntu 14.10, Kernel: 3.17.0-999-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.2.6 Gallium 0.4, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 2560x1600

ACPI CPUFreq Performance: 

	Processor: Intel Core i7-5960X @ 3.00GHz (16 Cores), Motherboard: Gigabyte X99-UD4-CF, Chipset: Intel Haswell-E DMI2, Memory: 16384MB, Disk: 128GB Crucial_CT128MX1, Graphics: Gigabyte AMD Radeon R9 270X 2048MB, Audio: Intel Wellsburg HD Audio, Monitor: SyncMaster, Network: Intel Connection

	OS: Ubuntu 14.10, Kernel: 3.17.0-999-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: radeon 7.4.0, OpenGL: 3.3 Mesa 10.2.6 Gallium 0.4, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 2560x1600


Xonotic 0.7
Resolution: 1920 x 1080 - Effects Quality: Low
Frames Per Second > Higher Is Better
P-State Powersave ......... 222.51 |==================================
P-State Performance ....... 279.12 |===========================================
ACPI CPUFreq Ondemand ..... 212.38 |=================================
ACPI CPUFreq Conservative . 220.88 |==================================
ACPI CPUFreq Performance .. 277.70 |===========================================


Xonotic 0.7
Resolution: 1920 x 1080 - Effects Quality: High
Frames Per Second > Higher Is Better
P-State Powersave ......... 146.94 |====================================
P-State Performance ....... 177.25 |===========================================
ACPI CPUFreq Ondemand ..... 147.31 |====================================
ACPI CPUFreq Conservative . 150.33 |====================================
ACPI CPUFreq Performance .. 177.92 |===========================================


Timed Linux Kernel Compilation 3.1
Time To Compile
Seconds < Lower Is Better
P-State Powersave ......... 51.11 |=======================================
P-State Performance ....... 57.67 |============================================
ACPI CPUFreq Ondemand ..... 56.11 |===========================================
ACPI CPUFreq Conservative . 51.35 |=======================================
ACPI CPUFreq Performance .. 47.63 |====================================


C-Ray 1.1
Total Time
Seconds < Lower Is Better
P-State Powersave ......... 9.74  |=======================================
P-State Performance ....... 11.08 |============================================
ACPI CPUFreq Ondemand ..... 11.03 |============================================
ACPI CPUFreq Conservative . 9.79  |=======================================
ACPI CPUFreq Performance .. 9.58  |======================================


Unigine Tropics 1.3
Resolution: 1920 x 1080
Frames Per Second > Higher Is Better
P-State Powersave ......... 80.39 |============================================
P-State Performance ....... 80.83 |============================================
ACPI CPUFreq Ondemand ..... 80.07 |============================================
ACPI CPUFreq Conservative . 79.78 |===========================================
ACPI CPUFreq Performance .. 80.95 |============================================


Apache Benchmark 2.4.7
Static Web Page Serving
Requests Per Second > Higher Is Better
P-State Powersave ......... 15539.58 |===================================
P-State Performance ....... 17865.08 |========================================
ACPI CPUFreq Ondemand ..... 12444.32 |============================
ACPI CPUFreq Conservative . 14023.82 |===============================
ACPI CPUFreq Performance .. 18273.95 |=========================================


LAME MP3 Encoding 3.99.3
WAV To MP3
Seconds < Lower Is Better
P-State Powersave ......... 13.36 |=================
P-State Performance ....... 12.52 |================
ACPI CPUFreq Ondemand ..... 34.38 |============================================
ACPI CPUFreq Conservative . 31.77 |=========================================
ACPI CPUFreq Performance .. 12.51 |================


Counter-Strike Source
Resolution: 1920 x 1080
Frames Per Second > Higher Is Better
P-State Powersave ......... 164.99 |====================================
P-State Performance ....... 194.47 |===========================================
ACPI CPUFreq Ondemand ..... 157.76 |===================================
ACPI CPUFreq Conservative . 160.19 |===================================
ACPI CPUFreq Performance .. 196.14 |===========================================