Radeon HD 7670M and Radeon HD 4580 - video card comparison
Radeon HD 7670M
Radeon HD 4580
Architecture
Terascale 2 (2009−2015)
TeraScale (2005−2013)
GPU code name
Thames XT
RV635
Market segment
Laptop
Desktop
Release date
June 2011
November 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
600 MHz
796 MHz
Floating-point performance
576.0 gflops
191.04 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
716 million
378 million
Pipelines / CUDA cores
480
120
Power consumption (TDP)
20 Watt
65 Watt
Texture fill rate
14.40
6.368
Memory type
DDR3, (GDDR5)
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1800 MHz
1386 MHz
Memory bandwidth
28.8 GB/s
22.18 GB/s
Shared memory
-
-
Display Connectors
No outputs
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