
Cayman and Radeon HD 4570 Rebrand - video card comparison
Cayman
Radeon HD 4570 Rebrand
Architecture
TeraScale 3 (2010−2013)
TeraScale (2005−2013)
GPU code name
Cayman
RV635
Market segment
Desktop
Desktop
Release date
-
November 2009
Interface
-
PCIe 2.0 x16
Core clock speed
-
796 MHz
Floating-point performance
-
191.04 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
2,640 million
378 million
Pipelines / CUDA cores
1536
120
Power consumption (TDP)
-
65 Watt
Texture fill rate
-
6.368
Memory type
-
DDR2
Maximum RAM amount
-
1 GB
Memory bus width
-
128 Bit
Memory clock speed
-
792 MHz
Memory bandwidth
-
12.67 GB/s
Display Connectors
-
2x DVI, 1x S-Video
DirectX
11.2 (11_0)
10.1 (10_1)
OpenCL
1.2
N/A
OpenGL
4.4
3.3
Shader Model
5.0
4.1
Vulkan
N/A
N/A