Radeon HD 4670 and GeForce 320M Mac Edition - video card comparison
Radeon HD 4670
GeForce 320M Mac Edition
Architecture
TeraScale (2005−2013)
Tesla 2.0 (2007−2013)
GPU code name
RV730
C89
Market segment
Desktop
Desktop
Release date
September 2008
April 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Core clock speed
750 MHz
450 MHz
Floating-point performance
480.0 gflops
-
Manufacturing process technology
55 nm
40 nm
Number of transistors
514 million
486 million
Pipelines / CUDA cores
320
48
Power consumption (TDP)
59 Watt
23 Watt
Texture fill rate
24.00
7.200
Memory type
GDDR3
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
2000 MHz
System Shared
Memory bandwidth
32 GB/s
-
Display Connectors
2x DVI, 1x S-Video
Portable Device Dependent
DirectX
10.1 (10_1)
11.1 (10_1)
OpenCL
1.1
N/A
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A