GeForce GT 640M Mac Edition and Radeon 9800 PRO - video card comparison
GeForce GT 640M Mac Edition
Radeon 9800 PRO
Architecture
Kepler (2012−2018)
Rage 8 (2002−2006)
GPU code name
GK107
R350
Market segment
Desktop
Desktop
Release date
February 2013
March 2003
Interface
PCIe 3.0 x16
AGP 8x
Supplementary power connectors
-
1x Molex
Core clock speed
745 MHz
380 MHz
Floating-point performance
572.2 gflops
-
Manufacturing process technology
28 nm
150 nm
Number of transistors
1,270 million
117 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
32 Watt
47 Watt
Texture fill rate
23.84
3.040
Memory type
GDDR5
DDR
Maximum RAM amount
512 MB
128 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
5000 MHz
680 MHz
Memory bandwidth
40 GB/s
21.76 GB/s
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
DirectX
12 (11_0)
9.0 (9_0)
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
2.0
Shader Model
5.1
-
Vulkan
1.1.126
N/A