Power Idle Intel Core i7-5600U testing with a LENOVO 20BSCTO1WW and Intel HD 5500 3072MB on Ubuntu 17.04 via the Phoronix Test Suite. Razer Stealth: Processor: Intel Core i7-7500U @ 3.50GHz (4 Cores), Motherboard: Razer, Chipset: Intel Device 5904, Memory: 16384MB, Disk: 256GB SAMSUNG MZVLV256HCHP-00000, Graphics: Intel HD 620 3072MB (1050MHz), Audio: Realtek ALC298, Monitor: LQ125T1JW02, Network: Qualcomm Atheros QCA6174 802.11ac Wireless OS: Ubuntu 17.04, Kernel: 4.10.0-33-generic (x86_64), Desktop: Unity 7.5.0, Display Server: X Server 1.19.3, Display Driver: modesetting 1.19.3, OpenGL: 4.5 Mesa 17.0.7, Compiler: GCC 6.3.0 20170406, File-System: ext4, Screen Resolution: 2560x1440 Lenovo ThinkPad X1 Carbon: Processor: Intel Core i7-5600U @ 3.20GHz (4 Cores), Motherboard: LENOVO 20BSCTO1WW, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 128GB SAMSUNG MZNTE128, Graphics: Intel HD 5500 3072MB (950MHz), Audio: Intel Broadwell-U Audio, Network: Intel Connection + Intel Wireless 7265 OS: Ubuntu 17.04, Kernel: 4.10.0-33-generic (x86_64), Desktop: Unity 7.5.0, Display Server: X Server 1.19.3, Display Driver: modesetting 1.19.3, OpenGL: 4.5 Mesa 17.0.7, Compiler: GCC 6.3.0 20170406, File-System: ext4, Screen Resolution: 1920x1080 Timed Idle System Power Consumption Monitor Milliwatts < Lower Is Better Razer Stealth ............. MIN: 5046 AVG: 6160 MAX: 9639 Lenovo ThinkPad X1 Carbon . MIN: 5237 AVG: 6208 MAX: 7122