CUDA Blender
Intel Core i7-8700K testing with a ASUS PRIME Z370-A and NVIDIA GeForce GTX 1080 8192MB on Ubuntu 17.10 via the Phoronix Test Suite.


GeForce GTX 1070: 

	Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME Z370-A, Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: Samsung SSD 950 PRO 256GB, Graphics: NVIDIA GeForce GTX 1070 8192MB (1506/4006MHz), Audio: Realtek ALC1220, Monitor: DELL P2415Q, Network: Intel Connection

	OS: Ubuntu 17.10, Kernel: 4.13.0-17-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Driver: NVIDIA 387.34, OpenGL: 4.5.0, OpenCL: OpenCL 1.2 CUDA 9.1.98, Vulkan: 1.0.61, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 3840x2160

GeForce GTX 1080 Ti: 

	Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME Z370-A, Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: Samsung SSD 950 PRO 256GB, Graphics: NVIDIA GeForce GTX 1080 Ti 11264MB (1480/5508MHz), Audio: Realtek ALC1220, Monitor: DELL P2415Q, Network: Intel Connection

	OS: Ubuntu 17.10, Kernel: 4.13.0-17-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Driver: NVIDIA 387.34, OpenGL: 4.5.0, OpenCL: OpenCL 1.2 CUDA 9.1.98, Vulkan: 1.0.61, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 3840x2160

GeForce GTX 1080: 

	Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME Z370-A, Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: Samsung SSD 950 PRO 256GB, Graphics: NVIDIA GeForce GTX 1080 8192MB (1607/5005MHz), Audio: Realtek ALC1220, Monitor: DELL P2415Q, Network: Intel Connection

	OS: Ubuntu 17.10, Kernel: 4.13.0-17-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Driver: NVIDIA 387.34, OpenGL: 4.5.0, OpenCL: OpenCL 1.2 CUDA 9.1.98, Vulkan: 1.0.61, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 3840x2160


Blender 2.79
Blend File: BMW27 - Compute: CUDA
Seconds < Lower Is Better
GeForce GTX 1070 .... 173.12 |===================
GeForce GTX 1080 Ti . 408.54 |=============================================
GeForce GTX 1080 .... 446.46 |=================================================


Blender 2.79
Blend File: Classroom - Compute: CUDA
Seconds < Lower Is Better
GeForce GTX 1070 .... 455.44 |========================
GeForce GTX 1080 Ti . 918.00 |=================================================
GeForce GTX 1080 .... 916.68 |=================================================


Blender 2.79
Blend File: Fishy Cat - Compute: CUDA
Seconds < Lower Is Better
GeForce GTX 1070 .... 332.56  |================
GeForce GTX 1080 Ti . 996.92  |================================================
GeForce GTX 1080 .... 1006.78 |================================================


Blender 2.79
Blend File: Barbershop - Compute: CUDA
Seconds < Lower Is Better
GeForce GTX 1070 .... 1544.32 |================================================
GeForce GTX 1080 Ti . 1345.24 |==========================================
GeForce GTX 1080 .... 1346.69 |==========================================


Blender 2.79
Blend File: Pabellon Barcelona - Compute: CUDA
Seconds < Lower Is Better
GeForce GTX 1070 .... 520.60 |================================
GeForce GTX 1080 Ti . 806.79 |=================================================
GeForce GTX 1080 .... 806.20 |=================================================