Radeon R9 M395X Mac Edition and Radeon HD 6970M Mac Edition - video card comparison
Radeon R9 M395X Mac Edition
Radeon HD 6970M Mac Edition
Architecture
GCN 3.0 (2014−2017)
TeraScale 2 (2009−2015)
GPU code name
Amethyst
Blackcomb
Market segment
Desktop
Desktop
Release date
May 2015
August 2011
Interface
MXM-B (3.0)
MXM-B (3.0)
Supplementary power connectors
None
None
Core clock speed
909 MHz
680 MHz
Floating-point performance
3,723 gflops
1,305.6 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
5,000 million
1,700 million
Pipelines / CUDA cores
2048
960
Power consumption (TDP)
250 Watt
75 Watt
Texture fill rate
116.4
32.64
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
5460 MHz
3600 MHz
Memory bandwidth
174.7 GB/s
115.2 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
11.2 (11_0)
OpenCL
2.0
1.2
OpenGL
4.6
4.4
Shader Model
6.3
5.0
Vulkan
1.2.131
N/A