m8700k Intel Core i7-8700K testing with a Gigabyte Z370 AORUS Gaming 7 (F4 BIOS) and EFI VGA on Ubuntu 16.04 via the Phoronix Test Suite. 51 down to 46 with -4 on AVX: Processor: Intel Core i7-8700K @ 5.10GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1101 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 weird one from 5.0 with manual overclocks: Processor: Intel Core i7-8700K @ 5.00GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1101 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 5ghzAsusDefaults: Processor: Intel Core i7-8700K @ 5.00GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1101 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 4.8maybegood but 4.5avx: Processor: Intel Core i7-8700K @ 4.80GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1101 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 4.7 on all ... high vcc+llc: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1101 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 hm ... mobo 5 reduced to 4.7: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1101 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 default maybe: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1101 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 49 eazy: Processor: Intel Core i7-8700K @ 4.90GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1101 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 49 eazy added -3 AVX plus DDR4 to 3200: Processor: Intel Core i7-8700K @ 4.90GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1101 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 47 adaptice + XMP: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1101 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 47 adaptive + XMP manual + BestCaseSVIP: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1101 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 47 adaptive + XMP manual + TypiicallSVIP+DisabledSVIP: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1101 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 47 adaptive + XMP autoproper ram settings + WorstCaseSVIP/Disabled: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1101 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 run2: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1101 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 default bios 1301: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1301 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 default bios 1301 2nd trial: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1301 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 effort: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1301 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 47 not stable with crazy AVX some dropping under mprime26.6 sometimes: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1301 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 48 who knows: Processor: Intel Core i7-8700K @ 4.80GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1301 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 48 2nd time: Processor: Intel Core i7-8700K @ 4.80GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1301 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 48 3rd time: Processor: Intel Core i7-8700K @ 4.80GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1301 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 48 with AVX of minus 2 or 3: Processor: Intel Core i7-8700K @ 4.80GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1301 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 48 laast time: Processor: Intel Core i7-8700K @ 4.80GHz (6 Cores / 12 Threads), Motherboard: ASUS ROG STRIX Z370-H GAMING (1301 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 4GB Relay UFD + 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 gigabyte default+xmp: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: Gigabyte Z370 AORUS Gaming 7 (F4 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 512GB Western Digital WDS512G1X0C-00ENX0, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1024x768 Timed Linux Kernel Compilation 4.13 Time To Compile Seconds < Lower Is Better 51 down to 46 with -4 on AVX .......................................... 68.57 | weird one from 5.0 with manual overclocks ............................. 69.86 | 5ghzAsusDefaults ...................................................... 61.91 | 4.8maybegood but 4.5avx ............................................... 63.83 | 4.7 on all ... high vcc+llc ........................................... 61.71 | hm ... mobo 5 reduced to 4.7 .......................................... 64.09 | default maybe ......................................................... 68.78 | 49 eazy ............................................................... 62.34 | 49 eazy added -3 AVX plus DDR4 to 3200 ................................ 63.39 | 47 adaptice + XMP ..................................................... 61.55 | 47 adaptive + XMP manual + TypiicallSVIP+DisabledSVIP ................. 61.51 | 47 adaptive + XMP autoproper ram settings + WorstCaseSVIP/Disabled .... 61.44 | run2 .................................................................. 61.51 | default bios 1301 ..................................................... 66.29 | default bios 1301 2nd trial ........................................... 66.92 | effort ................................................................ 61.42 | 47 not stable with crazy AVX some dropping under mprime26.6 sometimes . 61.52 | 48 who knows .......................................................... 60.95 | 48 2nd time ........................................................... 61.54 | 48 3rd time ........................................................... 60.84 | 48 with AVX of minus 2 or 3 ........................................... 64.20 | 48 laast time ......................................................... 62.29 | gigabyte default+xmp .................................................. 66.72 |