Mobility Radeon and GeForce GT 640M Mac Edition - video card comparison
Mobility Radeon
GeForce GT 640M Mac Edition
Architecture
Rage 6 (2000−2007)
Kepler (2012−2018)
GPU code name
M6
GK107
Market segment
Desktop
Desktop
Release date
December 2001
February 2013
Interface
AGP 4x
PCIe 3.0 x16
Core clock speed
144 MHz
745 MHz
Floating-point performance
-
572.2 gflops
Manufacturing process technology
180 nm
28 nm
Number of transistors
30 million
1,270 million
Pipelines / CUDA cores
-
384
Power consumption (TDP)
-
32 Watt
Texture fill rate
0.43
23.84
Memory type
DDR
GDDR5
Maximum RAM amount
16 MB
512 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
288 MHz
5000 MHz
Memory bandwidth
2.304 GB/s
40 GB/s
Display Connectors
No outputs
No outputs
DirectX
7.0
12 (11_0)
CUDA
-
3.0
OpenCL
N/A
1.2
OpenGL
1.3
4.6
Shader Model
-
5.1
Vulkan
N/A
1.1.126