Radeon HD 6670 and Radeon HD 6450A - video card comparison
Passmark - benchmark score Radeon HD 6670 vs Radeon HD 6450A
Radeon HD 6670
752
Radeon HD 6450A
268
Radeon HD 6670
Radeon HD 6450A
Architecture
TeraScale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Turks
Caicos
Market segment
Desktop
Desktop
Release date
April 2011
April 2011
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
MXM-A (3.0)
Supplementary power connectors
None
-
Boost clock speed
800 MHz
-
Core clock speed
-
625 MHz
Floating-point performance
768.0 gflops
200 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
716 million
370 million
Pipelines / CUDA cores
480
160
Power consumption (TDP)
66 Watt
25 Watt
Texture fill rate
19.20
5.000
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1050 MHz
1066 MHz
Memory bandwidth
64 GB/s
8.528 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
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
-
-