
Radeon HD 7970M and Radeon RX 580G - video card comparison
Radeon HD 7970M
Radeon RX 580G
Architecture
GCN (2011−2017)
GCN 4.0 (2016−2020)
GPU code name
Wimbledon XT
Polaris 20
Market segment
Laptop
Desktop
Release date
May 2012
October 2018
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
1x 8-pin
Boost clock speed
-
1330 MHz
Core clock speed
850 MHz
1257 MHz
Floating-point performance
2,176 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
2,800 million
5,700 million
Pipelines / CUDA cores
1280
2304
Power consumption (TDP)
100 Watt
185 Watt
Texture fill rate
68.00
191.5
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
8 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
4800 MHz
8000 MHz
Memory bandwidth
153.6 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (11_1)
12 (12_0)
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
1.2.131