Radeon HD 6670 and Radeon HD 5450 PCI - video card comparison
Radeon HD 6670
Radeon HD 5450 PCI
Architecture
TeraScale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Turks
Cedar
Market segment
Desktop
Desktop
Release date
April 2011
February 2010
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
PCI
Supplementary power connectors
None
None
Boost clock speed
800 MHz
-
Core clock speed
-
650 MHz
Floating-point performance
768.0 gflops
104 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
716 million
292 million
Pipelines / CUDA cores
480
80
Power consumption (TDP)
66 Watt
19 Watt
Texture fill rate
19.20
5.200
Memory type
GDDR5
DDR2
Maximum RAM amount
1 GB
512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1050 MHz
666 MHz
Memory bandwidth
64 GB/s
5.328 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
11.2 (11_0)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-