
Radeon HD 6450 GDDR5 and GeForce 6800 GS - video card comparison
Radeon HD 6450 GDDR5
GeForce 6800 GS
Architecture
Terascale 2 (2009−2015)
Curie (2003−2013)
GPU code name
Caicos
NV41
Market segment
Desktop
Desktop
Release date
April 2011
November 2005
Interface
-
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
750 MHz
425 MHz
Manufacturing process technology
40 nm
130 nm
Number of transistors
-
190 million
Pipelines / CUDA cores
160
-
Power consumption (TDP)
27 Watt
-
Texture fill rate
-
5.100
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
900 MHz
1000 MBps
Memory bandwidth
-
32 GB/s
Shared memory
-
-
Display Connectors
-
1x DVI, 1x VGA, 1x S-Video
DirectX
11
9.0c (9_3)
OpenCL
-
N/A
OpenGL
-
2.0 (full)
Shader Model-3.0
Vulkan
-
N/A