Radeon HD 7670 OEM and Radeon HD 4670 - video card comparison
Radeon HD 7670 OEM
Radeon HD 4670
Architecture
TeraScale 2 (2009−2015)
TeraScale (2005−2013)
GPU code name
Turks
RV730
Market segment
Desktop
Desktop
Release date
January 2012
September 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
800 MHz
750 MHz
Floating-point performance
768.0 gflops
480.0 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
716 million
514 million
Pipelines / CUDA cores
480
320
Power consumption (TDP)
66 Watt
59 Watt
Texture fill rate
19.20
24.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4000 MHz
2000 MHz
Memory bandwidth
64 GB/s
32 GB/s
Display Connectors
1x DVI, 1x DisplayPort, 1x VGA
2x DVI, 1x S-Video
DirectX
11.2 (11_0)
10.1 (10_1)
OpenCL
1.2
1.1
OpenGL
4.4
3.3
Shader Model
5.0
4.1
Vulkan
N/A
N/A