
Radeon X1550 PCI and Stream Processor - video card comparison
Radeon X1550 PCI
Stream Processor
Architecture
Ultra-Threaded SE
Ultra-Threaded SE
GPU code name
RV516
R580
Market segment
Desktop
Desktop
Release date
2007
2006
Interface
PCI
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
452 MHz
594 MHz
Manufacturing process technology
90 nm
90 nm
Number of transistors
105 million
384 million
Power consumption (TDP)
27 Watt
165 Watt
Texture fill rate
1.808
9.504
Memory type
DDR2
GDDR3
Maximum RAM amount
256 MB
1 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
532 MBps
1296 MBps
Memory bandwidth
4.256 GB/s
41.47 GB/s
Display Connectors
1x DVI, 1x VGA, 1x S-Video
2x DVI, 1x S-Video
DirectX
9.0c (9_3)
9.0c (9_3)
OpenCL
N/A
N/A
OpenGL
2.1
2.1 (full)
Shader Model3.03.0
Vulkan
N/A
N/A