UHD Graphics 600 and GeForce GT 640M Mac Edition - video card comparison
UHD Graphics 600
GeForce GT 640M Mac Edition
Architecture
Gen. 9 Gemini Lake (2017)
Kepler (2012−2018)
GPU code name
Gemini Lake
GK107
Market segment
Laptop
Desktop
Release date
December 2017
February 2013
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Boost clock speed
700 MHz
-
Core clock speed
300 MHz
745 MHz
Floating-point performance
-
572.2 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
1,270 million
Pipelines / CUDA cores
12
384
Power consumption (TDP)
5 Watt
32 Watt
Texture fill rate
9.000
23.84
Memory type
DDR4 / LPDDR4
GDDR5
Maximum RAM amount
System Shared
512 MB
Memory bus width
64/128 Bit
64 Bit
Memory clock speed
System Shared
5000 MHz
Memory bandwidth
-
40 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 (11_0)
CUDA
-
3.0
OpenCL
2.1
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
+
1.1.126
Quick Sync
+
-