GPU compute
Intel Core i3-6300 testing with a ASUS PRIME H270-PLUS (1205 BIOS) and Gigabyte NVIDIA GeForce GTX 660 2GB on Ubuntu 18.04 via the Phoronix Test Suite.


GTX 660: 

	Processor: Intel Core i3-6300 @ 3.80GHz (2 Cores / 4 Threads), Motherboard: ASUS PRIME H270-PLUS (1205 BIOS), Chipset: Intel Xeon E3-1200 v5/E3-1500 + H270, Memory: 8GB, Disk: 500GB Seagate ST9500325AS, Graphics: Gigabyte NVIDIA GeForce GTX 660 2GB, Audio: NVIDIA GK106 HDMI Audio, Network: Realtek RTL8111/8168/8411

	OS: Ubuntu 18.04, Kernel: 4.15.0-106-generic (x86_64), OpenCL: OpenCL 1.2 CUDA 10.2.159, Vulkan: 1.1.119, Compiler: GCC 7.5.0, File-System: zfs, Screen Resolution: 640x480


Blender 2.90
Blend File: BMW27 - Compute: NVIDIA OptiX
Seconds < Lower Is Better
GTX 660 . 779.73 |=============================================================


Blender 2.90
Blend File: BMW27 - Compute: CPU-Only
Seconds < Lower Is Better
GTX 660 . 723.21 |=============================================================


Blender 2.90
Blend File: BMW27 - Compute: OpenCL
Seconds < Lower Is Better
GTX 660 . 782.61 |=============================================================


Blender 2.90
Blend File: BMW27 - Compute: CUDA
Seconds < Lower Is Better
GTX 660 . 370.74 |=============================================================