Radeon HD 6450 GDDR5 and Radeon X850 XT - video card comparison
Radeon HD 6450 GDDR5
Radeon X850 XT
Architecture
Terascale 2 (2009−2015)
R400 (2004−2008)
GPU code name
Caicos
R480
Market segment
Desktop
Desktop
Release date
April 2011
December 2004
Interface
-
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
750 MHz
520 MHz
Manufacturing process technology
40 nm
130 nm
Number of transistors
-
160 million
Pipelines / CUDA cores
160
-
Power consumption (TDP)
27 Watt
69 Watt
Texture fill rate
-
8.320
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
900 MHz
1080 MHz
Memory bandwidth
-
34.56 GB/s
Shared memory
-
-
Display Connectors
-
2x DVI, 1x S-Video
DirectX
11
9.0b (9_2)
OpenCL
-
N/A
OpenGL
-
2.0
Vulkan
-
N/A