Radeon E8950 and Radeon HD 8970M - video card comparison
Radeon E8950
Radeon HD 8970M
Architecture
GCN 3.0 (2014−2017)
GCN (2011−2017)
GPU code name
Amethyst
Neptune
Market segment
Desktop
Laptop
Release date
September 2015
May 2013
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
-
Boost clock speed
1000 MHz
900 MHz
Core clock speed
735 MHz
850 MHz
Floating-point performance
4,096 gflops
2,304 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
2,800 million
Pipelines / CUDA cores
2048
1280
Power consumption (TDP)
95 Watt
100 Watt
Texture fill rate
128.0
72.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
6000 MHz
4800 MHz
Memory bandwidth
192.0 GB/s
153.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
5.1
Vulkan
1.2.131
1.2.131