Radeon HD 4580 and RSX-90nm - video card comparison
Radeon HD 4580
RSX-90nm
Architecture
TeraScale (2005−2013)
Curie (2003−2013)
GPU code name
RV635
RSX-90nm
Market segment
Desktop
Desktop
Release date
November 2011
-
Interface
PCIe 2.0 x16
-
Supplementary power connectors
None
-
Core clock speed
796 MHz
-
Floating-point performance
191.04 gflops
-
Manufacturing process technology
55 nm
90 nm
Number of transistors
378 million
300 million
Pipelines / CUDA cores
120
-
Power consumption (TDP)
65 Watt
-
Texture fill rate
6.368
-
Memory type
GDDR3
-
Maximum RAM amount
512 MB
-
Memory bus width
128 Bit
-
Memory clock speed
1386 MHz
-
Memory bandwidth
22.18 GB/s
-
Display Connectors
2x DVI, 1x S-Video
-
DirectX
10.1 (10_1)
N/A
OpenCL
N/A
N/A
OpenGL
3.3
ES 1.1
Shader Model
4.1
-
Vulkan
N/A
N/A