Tahiti and Pitcairn - video card comparison
Tahiti
Pitcairn
Architecture
GCN 1.0 (2012−2020)
GCN 1.0 (2012−2020)
GPU code name
Tahiti
Pitcairn
Market segment
Desktop
Desktop
Release date
-
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
2,800 million
Pipelines / CUDA cores
2048
1280
DirectX
12 (11_1)
12 (11_1)
OpenCL
2.1 (1.2)
2.1 (1.2)
OpenGL
4.6
4.6
Shader Model
6.5 (5.1)
6.5 (5.1)
Vulkan
1.2.170
1.2.170