Radeon R9 M395X and Radeon HD 7970 - video card comparison
Passmark - benchmark score Radeon R9 M395X vs Radeon HD 7970
Radeon R9 M395X
5350
Radeon HD 7970
5405
Radeon R9 M395X
Radeon HD 7970
Architecture
GCN 3 (2014−2016)
GCN (2011−2017)
GPU code name
Amethyst XT
Tahiti XT
Market segment
Laptop
Desktop
Release date
October 2014
December 2011
Bus support
PCIe 3.0
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Boost clock speed
-
925 MHz
Core clock speed
723 MHz
-
Floating-point performance
2,961 gflops
3,789 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
4,313 million
Pipelines / CUDA cores
2048
2048
Power consumption (TDP)
250 Watt
300 Watt
Texture fill rate
92.54
118.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
6 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
1250 MHz
1375 MHz
Memory bandwidth
160.0 GB/s
264 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
1
+
HDMI
-
+
DisplayPort support
-
-
DirectX
DirectX® 12
DirectX® 11
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.6
Shader Model
6.3
5.1
AppAcceleration
-
-
CrossFire
-
1
DualGraphics
1
-
Enduro
-
-
FreeSync
1
1
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
+
-
ZeroCore
+
-