Radeon HD 8970M Crossfire and Radeon R9 M395X - video card comparison
Radeon HD 8970M Crossfire
Radeon R9 M395X
Architecture
GCN (2011−2017)
GCN 3 (2014−2016)
GPU code name
Neptune CF
Amethyst XT
Market segment
Laptop
Laptop
Release date
May 2012
October 2014
Bus support
-
PCIe 3.0
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
None
Boost clock speed
900 MHz
-
Core clock speed
850 MHz
723 MHz
Floating-point performance
-
2,961 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
5,000 million
Pipelines / CUDA cores
2560
2048
Power consumption (TDP)
200 Watt
250 Watt
Texture fill rate
-
92.54
Memory type
GDDR5
GDDR5
Maximum RAM amount
-
4 GB
Memory bus width
2x 256 Bit
256 Bit
Memory clock speed
4800 MHz
1250 MHz
Memory bandwidth
-
160.0 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
Eyefinity
-
1
DirectX
11.1
DirectX® 12
Mantle
-
+
OpenCL
-
Not Listed
OpenGL
-
4.4
Shader Model
-
6.3
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
+
ZeroCore
-
+