GeForce GTX 1650 Mobile and GeForce GT 640 Rev. 2 - video card comparison
GeForce GTX 1650 Mobile
GeForce GT 640 Rev. 2
Architecture
Turing (2018−2021)
Kepler 2.0 (2013−2015)
GPU code name
N18P-G0, N18P-G61
GK208
Market segment
Laptop
Desktop
Release date
April 2019
May 2013
Interface
PCIe 3.0 x16
PCIe 2.0 x8
Supplementary power connectors
-
None
Boost clock speed
1560 MHz
-
Core clock speed
1380 MHz
1046 MHz
Floating-point performance
-
803.3 gflops
Manufacturing process technology
12 nm
28 nm
Number of transistors
4,700 million
915 million
Pipelines / CUDA cores
1024
384
Power consumption (TDP)
50 Watt
49 Watt
Texture fill rate
99.84
33.47
Memory type
GDDR5, GDDR6
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
12000 MHz
5008 MHz
Memory bandwidth
192.0 GB/s
40.06 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
12 (12_1)
12 (11_0)
CUDA
7.5
3.5
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
6.5
5.1
Vulkan
1.2.140
1.1.126