Radeon HD 8970M Crossfire and Radeon RX 580X Mobile - video card comparison
Radeon HD 8970M Crossfire
Radeon RX 580X Mobile
Architecture
GCN (2011−2017)
Polaris (2016−2019)
GPU code name
Neptune CF
Polaris
Market segment
Laptop
Laptop
Release date
May 2012
January 2019
Interface
-
MXM-B (3.0)
Boost clock speed
900 MHz
1340 MHz
Core clock speed
850 MHz
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
-
5,700 million
Pipelines / CUDA cores
2560
2304
Power consumption (TDP)
200 Watt
65-110 Watt
Texture fill rate
-
155.1
Memory type
GDDR5
GDDR5
Maximum RAM amount
-
8 GB
Memory bus width
2x 256 Bit
256 Bit
Memory clock speed
4800 MHz
8000 MHz
Memory bandwidth
-
256.0 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
11.1
12 (12_0)
OpenCL
-
2.0
OpenGL
-
4.6
Shader Model
-
6.4
Vulkan
-
1.2.131