
Radeon HD 6450 GDDR5 and Radeon HD 4730 OEM - video card comparison
Radeon HD 6450 GDDR5
Radeon HD 4730 OEM
Architecture
Terascale 2 (2009−2015)
TeraScale (2005−2013)
GPU code name
Caicos
RV670
Market segment
Desktop
Desktop
Release date
April 2011
December 2008
Interface
-
PCIe 2.0 x16
Core clock speed
750 MHz
669 MHz
Floating-point performance
-
428.2 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
-
666 million
Pipelines / CUDA cores
160
320
Power consumption (TDP)
27 Watt
110 Watt
Texture fill rate
-
10.70
Memory type
GDDR5
DDR2
Maximum RAM amount
1 GB
1 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
900 MHz
792 MHz
Memory bandwidth
-
25.34 GB/s
Shared memory
-
-
Display Connectors
-
2x DVI, 1x S-Video
DirectX
11
10.1 (10_1)
OpenCL
-
N/A
OpenGL
-
3.3
Shader Model
-
4.1
Vulkan
-
N/A