GeForce GT 640M Mac Edition and Iris Xe Graphics G7 80EU - video card comparison
GeForce GT 640M Mac Edition
Iris Xe Graphics G7 80EU
Architecture
Kepler (2012−2018)
Generation 12.1 (2020−2021)
GPU code name
GK107
Tiger Lake GT2
Market segment
Desktop
Desktop
Release date
February 2013
September 2020
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Boost clock speed
-
1100 MHz
Core clock speed
745 MHz
-
Floating-point performance
572.2 gflops
-
Manufacturing process technology
28 nm
10 nm
Number of transistors
1,270 million
-
Pipelines / CUDA cores
384
640
Power consumption (TDP)
32 Watt
15 Watt
Texture fill rate
23.84
44.00
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)
12 (12_1)
CUDA
3.0
-
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2