
Radeon HD 7970M and Radeon R3 Mobile Graphics - video card comparison
Radeon HD 7970M
Radeon R3 Mobile Graphics
Architecture
GCN (2011−2017)
GCN 2.0 (2013−2017)
GPU code name
Wimbledon XT
Beema
Market segment
Laptop
Laptop
Release date
May 2012
January 2015
Interface
MXM-B (3.0)
IGP
Supplementary power connectors
None
-
Boost clock speed
-
655 MHz
Core clock speed
850 MHz
600 MHz
Floating-point performance
2,176 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
930 million
Pipelines / CUDA cores
1280
128
Power consumption (TDP)
100 Watt
15 Watt
Texture fill rate
68.00
4.800
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
4800 MHz
System Shared
Memory bandwidth
153.6 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (12_0)
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.3
Vulkan
1.2.131
1.2.131