Radeon HD 3450 and GeForce 320M Mac Edition - video card comparison
Radeon HD 3450
GeForce 320M Mac Edition
Architecture
TeraScale (2005−2013)
Tesla 2.0 (2007−2013)
GPU code name
RV620
C89
Market segment
Desktop
Desktop
Release date
December 2007
April 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Core clock speed
600 MHz
450 MHz
Floating-point performance
48 gflops
-
Manufacturing process technology
55 nm
40 nm
Number of transistors
181 million
486 million
Pipelines / CUDA cores
40
48
Power consumption (TDP)
25 Watt
23 Watt
Texture fill rate
2.400
7.200
Memory type
DDR2
System Shared
Maximum RAM amount
256 MB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
1000 MHz
System Shared
Memory bandwidth
8 GB/s
-
Display Connectors
1x DVI, 1x VGA, 1x S-Video
Portable Device Dependent
DirectX
10.1 (10_1)
11.1 (10_1)
OpenCL
N/A
N/A
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A