Radeon RX 580 Mobile and Radeon R9 M290X Crossfire - video card comparison
Radeon RX 580 Mobile
Radeon R9 M290X Crossfire
Architecture
Polaris (2016−2019)
GCN (2011−2017)
GPU code name
Polaris
Neptune CF
Market segment
Laptop
Laptop
Release date
April 2017
March 2014
Interface
MXM-B (3.0)
-
Boost clock speed
1077 MHz
900 MHz
Core clock speed
1000 MHz
850 MHz
Floating-point performance
4,963 gflops
-
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
2x 2800 Million
Pipelines / CUDA cores
2304
2560
Power consumption (TDP)
100 Watt
200 Watt
Texture fill rate
155.1
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
2x 4 GB
Memory bus width
256 Bit
2x 256 Bit
Memory clock speed
8000 MHz
4800 MHz
Memory bandwidth
256.0 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
-
DirectX
12 (12_0)
12 (FL 11_1)
OpenCL
2.0
-
OpenGL
4.6
-
Shader Model
6.4
-
Vulkan
1.2.131
-