Radeon HD 3550 and GeForce 320M Mac Edition - video card comparison
Radeon HD 3550
GeForce 320M Mac Edition
Architecture
TeraScale (2005−2013)
Tesla 2.0 (2007−2013)
GPU code name
RV620
C89
Market segment
Desktop
Desktop
Release date
August 2008
April 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Core clock speed
594 MHz
450 MHz
Floating-point performance
47.52 gflops
-
Manufacturing process technology
55 nm
40 nm
Number of transistors
181 million
486 million
Pipelines / CUDA cores
40
48
Power consumption (TDP)
30 Watt
23 Watt
Texture fill rate
2.376
7.200
Memory type
DDR2
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
792 MHz
System Shared
Memory bandwidth
6.336 GB/s
-
Display Connectors
2x DisplayPort
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