Radeon HD 7950 and Matrox G450 x4 MMS - video card comparison
Radeon HD 7950
Matrox G450 x4 MMS
Architecture
GCN 1.0 (2012−2020)
G400 (1999−2002)
GPU code name
Tahiti
Condor
Market segment
Desktop
Desktop
Release date
January 2012
January 2001
Bus support
PCIe 3.0 x16
-
Interface
PCIe 3.0 x16
PCI
Supplementary power connectors
2x 6-pin
-
Boost clock speed
1250 MHz
-
Compute units
28
-
Core clock speed
-
125 MHz
Floating-point performance
2,867 gflops
-
Manufacturing process technology
28 nm
180 nm
Number of transistors
4,313 million
10 million
Pipelines / CUDA cores
1792
-
Power consumption (TDP)
200 Watt
-
Texture fill rate
89.60
0.25
Memory type
GDDR5
DDR
Maximum RAM amount
3 GB
32 MB
Memory bus width
384 Bit
64 Bit
Memory clock speed
1250 MHz
332 MBps
Memory bandwidth
240 GB/s
2.656 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
6.0
Mantle
-
-
OpenCL
1.2
None
OpenGL
4.6
None
Shader Model
5.1
-
Vulkan
-
N/A
AppAcceleration
+
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
+
-
TrueAudio
-
-
ZeroCore
+
-