Radeon HD 6970M Mac Edition and GeForce 320M Mac Edition - video card comparison
Radeon HD 6970M Mac Edition
GeForce 320M Mac Edition
Architecture
TeraScale 2 (2009−2015)
Tesla 2.0 (2007−2013)
GPU code name
Blackcomb
C89
Market segment
Desktop
Desktop
Release date
August 2011
April 2010
Interface
MXM-B (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
-
Core clock speed
680 MHz
450 MHz
Floating-point performance
1,305.6 gflops
-
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,700 million
486 million
Pipelines / CUDA cores
960
48
Power consumption (TDP)
75 Watt
23 Watt
Texture fill rate
32.64
7.200
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
3600 MHz
System Shared
Memory bandwidth
115.2 GB/s
-
Display Connectors
No outputs
Portable Device Dependent
DirectX
11.2 (11_0)
11.1 (10_1)
OpenCL
1.2
N/A
OpenGL
4.4
3.3
Shader Model
5.0
4.1
Vulkan
N/A
N/A