GK208B and R580+ - video card comparison
GK208B
R580+
Architecture
Kepler 2.0 (2013−2015)
Ultra-Threaded SE
GPU code name
GK208B
R580+
Market segment
Desktop
Desktop
Release date
-
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
1,020 million
384 million
Pipelines / CUDA cores
384
-
DirectX
12 (11_0)
9.0c (9_3)
CUDA
3.5
-
OpenCL
3.0
N/A
OpenGL
4.6
2.1 (full)
Shader Model6.5 (5.1)3.0
Vulkan
1.2.175
N/A
NVENC
No Support
-
PureVideo HD
VP5
-