
Radeon HD 4580 and Stoney - video card comparison
Radeon HD 4580
Stoney
Architecture
TeraScale (2005−2013)
GCN 3.0 (2014−2017)
GPU code name
RV635
Stoney
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
28 nm
Number of transistors
378 million
1,200 million
Pipelines / CUDA cores
120
192
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)
12 (12_0)
OpenCL
N/A
2.1
OpenGL
3.3
4.6
Shader Model
4.1
6.5
Vulkan
N/A
1.2.170