Radeon R9 290 and Polaris 21 - video card comparison
Radeon R9 290
Polaris 21
Architecture
GCN 2.0 (2013−2017)
GCN 4.0 (2016−2020)
GPU code name
Hawaii
Polaris 21
Market segment
Desktop
Desktop
Release date
November 2013
-
Interface
PCIe 3.0 x16
-
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
Core clock speed
947 MHz
-
Floating-point performance
4,849 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
6,200 million
3,000 million
Pipelines / CUDA cores
2560
1024
Power consumption (TDP)
275 Watt
-
Texture fill rate
151.5
-
Memory type
GDDR5
-
Maximum RAM amount
4 GB
-
Memory bus width
512 Bit
-
Memory clock speed
5000 MHz
-
Memory bandwidth
320.0 GB/s
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
-
HDMI
+
-
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.3
6.7
Vulkan
1.2.131
1.3