NVIDIA CUDA OpenCL
Intel Core i7-7700T testing with a ASUS PRIME Z270-A (1302 BIOS) and ASUS NVIDIA GeForce GTX 1060 3GB 3072MB on Ubuntu 16.04 via the Phoronix Test Suite.


Intel Core i7-8700K - Zotac NVIDIA GeForce GTX 1070: 

	Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME Z370-A (0607 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 525GB Crucial_CT525MX3 + Samsung SSD 950 PRO 256GB, Graphics: Zotac NVIDIA GeForce GTX 1070 Ti 8192MB (1607/4006MHz), Audio: Realtek ALC1220, Monitor: DELL P2415Q, Network: Intel Connection

	OS: Ubuntu 17.10, Kernel: 4.15.10-041510-generic (x86_64), Desktop: GNOME Shell 3.26.2, Display Driver: NVIDIA 390.42, OpenGL: 4.5.0, Vulkan: 1.0.61, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 3840x2160

Intel Core i7-7700T - 2x Asus NVIDIA GeForce GTX 1060: 

	Processor: Intel Core i7-7700T @ 3.80GHz (4 Cores / 8 Threads), Motherboard: ASUS PRIME Z270-A (1009 BIOS), Chipset: Intel Device 591f, Memory: 16384MB, Disk: 240GB KINGSTON SKC1000240G, Graphics: ASUS NVIDIA GeForce GTX 1060 3GB 3072MB (1506/4006MHz), Audio: Realtek ALC1220, Monitor: X223HQ, Network: Intel Connection

	OS: Ubuntu 16.04, Kernel: 4.13.0-38-generic (x86_64), Desktop: Unity 7.4.5, Display Driver: NVIDIA 390.48, OpenGL: 4.5.0, OpenCL: OpenCL 1.2 CUDA 9.1.84, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1920x1080

Intel Core i7-7700T - 2x ASUS NVIDIA GeForce GTX 1060 Dual 3GB: 

	Processor: Intel Core i7-7700T @ 3.80GHz (4 Cores / 8 Threads), Motherboard: ASUS PRIME Z270-A (1302 BIOS), Chipset: Intel Xeon E3-1200 v6/7th + Z270, Memory: 16384MB, Disk: 240GB KINGSTON SKC1000240G, Graphics: ASUS NVIDIA GeForce GTX 1060 3GB 3072MB (1506/4006MHz), Audio: Realtek ALC1220, Monitor: X223HQ, Network: Intel Connection

	OS: Ubuntu 16.04, Kernel: 4.15.0-47-generic (x86_64), Desktop: Unity 7.4.5, Display Driver: NVIDIA 415.27, OpenGL: 4.5.0, OpenCL: OpenCL 1.2 CUDA 10.0.132, Compiler: GCC 5.4.0 20160609, File-System: ext4, Screen Resolution: 1920x1080


Darktable 2.2.5
Test: Boat - Acceleration: OpenCL
Seconds < Lower Is Better
Intel Core i7-8700K - Zotac NVIDIA GeForce GTX 1070 . 3.01 |===================


Darktable 2.2.5
Test: Masskrug - Acceleration: OpenCL
Seconds < Lower Is Better
Intel Core i7-8700K - Zotac NVIDIA GeForce GTX 1070 . 4.13 |===================


Darktable 2.2.5
Test: Server Room - Acceleration: OpenCL
Seconds < Lower Is Better
Intel Core i7-8700K - Zotac NVIDIA GeForce GTX 1070 . 1.15 |===================


Blender 2.79a
Blend File: BMW27 - Compute: CUDA
Seconds < Lower Is Better
Intel Core i7-8700K - Zotac NVIDIA GeForce GTX 1070 ............ 158.41 |======
Intel Core i7-7700T - 2x Asus NVIDIA GeForce GTX 1060 .......... 125.47 |=====
Intel Core i7-7700T - 2x ASUS NVIDIA GeForce GTX 1060 Dual 3GB . 126.77 |=====


Blender 2.79a
Blend File: Classroom - Compute: CUDA
Seconds < Lower Is Better
Intel Core i7-8700K - Zotac NVIDIA GeForce GTX 1070 ............ 229.71 |======
Intel Core i7-7700T - 2x Asus NVIDIA GeForce GTX 1060 .......... 213.42 |======
Intel Core i7-7700T - 2x ASUS NVIDIA GeForce GTX 1060 Dual 3GB . 212.98 |======


Blender 2.79a
Blend File: Fishy Cat - Compute: CUDA
Seconds < Lower Is Better
Intel Core i7-8700K - Zotac NVIDIA GeForce GTX 1070 ............ 315.33 |======
Intel Core i7-7700T - 2x Asus NVIDIA GeForce GTX 1060 .......... 238.66 |=====
Intel Core i7-7700T - 2x ASUS NVIDIA GeForce GTX 1060 Dual 3GB . 238.98 |=====


Blender 2.79a
Blend File: Barbershop - Compute: CUDA
Seconds < Lower Is Better
Intel Core i7-8700K - Zotac NVIDIA GeForce GTX 1070 . 1267.21 |================


Blender 2.79a
Blend File: Pabellon Barcelona - Compute: CUDA
Seconds < Lower Is Better
Intel Core i7-8700K - Zotac NVIDIA GeForce GTX 1070 ............ 538.99 |======
Intel Core i7-7700T - 2x Asus NVIDIA GeForce GTX 1060 .......... 475.76 |=====
Intel Core i7-7700T - 2x ASUS NVIDIA GeForce GTX 1060 Dual 3GB . 475.62 |=====


LuxMark 3.1
OpenCL Device: GPU - Scene: Hotel
Score > Higher Is Better
Intel Core i7-8700K - Zotac NVIDIA GeForce GTX 1070 ............ 4416 |=======
Intel Core i7-7700T - 2x Asus NVIDIA GeForce GTX 1060 .......... 4943 |========
Intel Core i7-7700T - 2x ASUS NVIDIA GeForce GTX 1060 Dual 3GB . 4998 |========


LuxMark 3.1
OpenCL Device: GPU - Scene: Microphone
Score > Higher Is Better
Intel Core i7-8700K - Zotac NVIDIA GeForce GTX 1070 ............ 10190 |=====
Intel Core i7-7700T - 2x Asus NVIDIA GeForce GTX 1060 .......... 13697 |=======
Intel Core i7-7700T - 2x ASUS NVIDIA GeForce GTX 1060 Dual 3GB . 13843 |=======


LuxMark 3.1
OpenCL Device: GPU - Scene: Luxball HDR
Score > Higher Is Better
Intel Core i7-8700K - Zotac NVIDIA GeForce GTX 1070 ............ 16471 |=====
Intel Core i7-7700T - 2x Asus NVIDIA GeForce GTX 1060 .......... 24479 |=======
Intel Core i7-7700T - 2x ASUS NVIDIA GeForce GTX 1060 Dual 3GB . 24388 |=======


Darktable 2.0.3
Test: Boat - Acceleration: OpenCL
Seconds < Lower Is Better
Intel Core i7-7700T - 2x Asus NVIDIA GeForce GTX 1060 .......... 19.39 |=======
Intel Core i7-7700T - 2x ASUS NVIDIA GeForce GTX 1060 Dual 3GB . 12.58 |=====


Darktable 2.0.3
Test: Masskrug - Acceleration: OpenCL
Seconds < Lower Is Better
Intel Core i7-7700T - 2x Asus NVIDIA GeForce GTX 1060 .......... 0.26 |========
Intel Core i7-7700T - 2x ASUS NVIDIA GeForce GTX 1060 Dual 3GB . 0.25 |========


Darktable 2.0.3
Test: Server Room - Acceleration: OpenCL
Seconds < Lower Is Better
Intel Core i7-7700T - 2x Asus NVIDIA GeForce GTX 1060 .......... 0.25 |========
Intel Core i7-7700T - 2x ASUS NVIDIA GeForce GTX 1060 Dual 3GB . 0.25 |========