Radeon HD 7970M and Radeon HD 8950M - video card comparison
Radeon HD 7970M
Radeon HD 8950M
Architecture
GCN (2011−2017)
GCN 2.0 (2013−2017)
GPU code name
Wimbledon XT
Saturn
Market segment
Laptop
Desktop
Release date
May 2012
May 2013
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
-
Core clock speed
850 MHz
1075 MHz
Floating-point performance
2,176 gflops
1,651 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
2,080 million
Pipelines / CUDA cores
1280
768
Power consumption (TDP)
100 Watt
100 Watt
Texture fill rate
68.00
51.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
4800 MHz
5500 MHz
Memory bandwidth
153.6 GB/s
88 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