Radeon HD 6450 GDDR5 and GeForce FX 5900 XT - video card comparison
Radeon HD 6450 GDDR5
GeForce FX 5900 XT
Architecture
Terascale 2 (2009−2015)
Rankine (2003−2005)
GPU code name
Caicos
NV35
Market segment
Desktop
Desktop
Release date
April 2011
May 2003
Interface
-
AGP 8x
Supplementary power connectors
-
1x Molex
Core clock speed
750 MHz
400 MHz
Manufacturing process technology
40 nm
130 nm
Number of transistors
-
135 million
Pipelines / CUDA cores
160
-
Power consumption (TDP)
27 Watt
35 Watt
Texture fill rate
-
3.200
Memory type
GDDR5
DDR
Maximum RAM amount
1 GB
128 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
900 MHz
700 MHz
Memory bandwidth
-
22.4 GB/s
Shared memory
-
-
Display Connectors
-
1x DVI, 1x VGA, 1x S-Video
DirectX
11
9.0a
OpenCL
-
N/A
OpenGL
-
1.5 (2.1)
Vulkan
-
N/A