Radeon HD 6970M Mac Edition and GeForce 8600M GT Mac Edition - video card comparison
Radeon HD 6970M Mac Edition
GeForce 8600M GT Mac Edition
Architecture
TeraScale 2 (2009−2015)
Tesla (2006−2010)
GPU code name
Blackcomb
G84
Market segment
Desktop
Desktop
Release date
August 2011
October 2007
Interface
MXM-B (3.0)
MXM-II
Supplementary power connectors
None
-
Core clock speed
680 MHz
470 MHz
Floating-point performance
1,305.6 gflops
60.16 gflops
Manufacturing process technology
40 nm
80 nm
Number of transistors
1,700 million
289 million
Pipelines / CUDA cores
960
32
Power consumption (TDP)
75 Watt
20 Watt
Texture fill rate
32.64
7.520
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3600 MHz
1270 MHz
Memory bandwidth
115.2 GB/s
20.32 GB/s
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
11.1 (10_0)
CUDA
-
1.1
OpenCL
1.2
1.1
OpenGL
4.4
3.3
Shader Model
5.0
4.0
Vulkan
N/A
N/A