Radeon RX 490M and Radeon Sky 900 - video card comparison
Radeon RX 490M
Radeon Sky 900
Architecture
Polaris (2016−2019)
GCN 1.0 (2012−2020)
GPU code name
Polaris
Tahiti
Market segment
Laptop
Desktop
Release date
August 2016
March 2013
Bus support
-
PCIe 3.0
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
2x 8-pin
Boost clock speed
-
950 MHz
Core clock speed
-
825 MHz
Floating-point performance
-
2x 3,405 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
-
4,313 million
Pipelines / CUDA cores
-
3584
Power consumption (TDP)
-
300 Watt
Texture fill rate
-
106.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
-
6 GB
Memory bus width
-
384 Bit
Memory clock speed
-
5000 MHz
Memory bandwidth
-
480 GB/s
Shared memory
-
-
Display Connectors
-
1x DVI, 1x mini-DisplayPort
Dual-link DVI support
-
1
DirectX
12
12 (11_1)
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.1
Vulkan
-
1.2.131