Radeon HD 4670 and Radeon X1900 XT - video card comparison
Radeon HD 4670
Radeon X1900 XT
Architecture
TeraScale (2005−2013)
R500 (2005−2007)
GPU code name
RV730
R580
Market segment
Desktop
Desktop
Release date
September 2008
January 2006
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
750 MHz
625 MHz
Floating-point performance
480.0 gflops
-
Manufacturing process technology
55 nm
90 nm
Number of transistors
514 million
384 million
Pipelines / CUDA cores
320
-
Power consumption (TDP)
59 Watt
100 Watt
Texture fill rate
24.00
10.00
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
2000 MHz
1450 MBps
Memory bandwidth
32 GB/s
46.4 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.1 (10_1)
9.0c (9_3)
OpenCL
1.1
N/A
OpenGL
3.3
2.1 (full)
Shader Model4.13.0
Vulkan
N/A
N/A