GeForce GT 640M Mac Edition and Radeon HD 2600 PRO AGP - video card comparison
GeForce GT 640M Mac Edition
Radeon HD 2600 PRO AGP
Architecture
Kepler (2012−2018)
TeraScale (2005−2013)
GPU code name
GK107
RV630
Market segment
Desktop
Desktop
Release date
February 2013
June 2007
Interface
PCIe 3.0 x16
AGP 8x
Supplementary power connectors
-
None
Core clock speed
745 MHz
594 MHz
Floating-point performance
572.2 gflops
142.56 gflops
Manufacturing process technology
28 nm
65 nm
Number of transistors
1,270 million
390 million
Pipelines / CUDA cores
384
120
Power consumption (TDP)
32 Watt
35 Watt
Texture fill rate
23.84
4.752
Memory type
GDDR5
DDR2
Maximum RAM amount
512 MB
512 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
5000 MHz
792 MHz
Memory bandwidth
40 GB/s
12.67 GB/s
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
DirectX
12 (11_0)
10.0 (10_0)
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
3.3
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A