
Radeon HD 6450 GDDR5 and Radeon HD 5550 - video card comparison
Radeon HD 6450 GDDR5
Radeon HD 5550
Architecture
Terascale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Caicos
Redwood
Market segment
Desktop
Desktop
Release date
April 2011
February 2010
Interface
-
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
750 MHz
550 MHz
Floating-point performance
-
352.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
-
627 million
Pipelines / CUDA cores
160
320
Power consumption (TDP)
27 Watt
39 Watt
Texture fill rate
-
8.800
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
900 MHz
3200 MHz
Memory bandwidth
-
51.2 GB/s
Shared memory
-
-
Display Connectors
-
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
11
11.2 (11_0)
OpenCL
-
1.2
OpenGL
-
4.4
Shader Model
-
5.0
Vulkan
-
N/A