Radeon HD 7950 and Radeon R9 M395X - video card comparison
Passmark - benchmark score Radeon HD 7950 vs Radeon R9 M395X
Radeon HD 7950
4907
Radeon R9 M395X
5350
Radeon HD 7950
Radeon R9 M395X
Architecture
GCN 1.0 (2012−2020)
GCN 3 (2014−2016)
GPU code name
Tahiti
Amethyst XT
Market segment
Desktop
Laptop
Release date
January 2012
October 2014
Bus support
PCIe 3.0 x16
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
None
Boost clock speed
1250 MHz
-
Compute units
28
-
Core clock speed
-
723 MHz
Floating-point performance
2,867 gflops
2,961 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
5,000 million
Pipelines / CUDA cores
1792
2048
Power consumption (TDP)
200 Watt
250 Watt
Texture fill rate
89.60
92.54
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
4 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
1250 MHz
1250 MHz
Memory bandwidth
240 GB/s
160.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
1
Number of Eyefinity displays
6
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
DirectX® 12
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.6
4.4
Shader Model
5.1
6.3
AppAcceleration
+
-
CrossFire
1
-
DualGraphics
-
1
Enduro
-
-
FreeSync
1
1
HD3D
-
+
PowerTune
+
+
Switchable graphics
-
1
TrueAudio
-
+
ZeroCore
+
+