
GeForce GT 640M Mac Edition and Radeon IGP 320 - video card comparison
GeForce GT 640M Mac Edition
Radeon IGP 320
Architecture
Kepler (2012−2018)
Rage 7 (2001−2006)
GPU code name
GK107
RS100
Market segment
Desktop
Desktop
Release date
February 2013
October 2002
Interface
PCIe 3.0 x16
AGP 4x
Supplementary power connectors
-
None
Core clock speed
745 MHz
160 MHz
Floating-point performance
572.2 gflops
-
Manufacturing process technology
28 nm
180 nm
Number of transistors
1,270 million
30 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
32 Watt
-
Texture fill rate
23.84
0.16
Memory type
GDDR5
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
5000 MHz
System Shared
Memory bandwidth
40 GB/s
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
7.0
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
1.4
Shader Model
5.1
-
Vulkan
1.1.126
N/A