
GeForce GT 640M and GeForce GTX 1630 - video card comparison
Passmark - benchmark score GeForce GT 640M vs GeForce GTX 1630
GeForce GT 640M
943
GeForce GTX 1630
5141
GeForce GT 640M
GeForce GTX 1630
Architecture
Kepler (2012−2018)
Turing (2018−2021)
GPU code name
N13P-GS
TU117
Market segment
Laptop
Desktop
Release date
March 2012
June 2022
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
645 MHz
1785 MHz
Core clock speed
Up to 625 MHz
-
CUDA cores
384
-
Floating-point performance
480.0 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
1,270 million
4,700 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
32 Watt
75 Watt
Texture fill rate
Up to 20.0 billion/sec
57.12
Memory type
DDR3\GDDR5
GDDR6
Maximum RAM amount
2 GB
4 GB
Memory bus width
128bit
64 Bit
Memory clock speed
1800 - 4000 MHz
12 GB/s
Memory bandwidth
Up to 64.0 GB/s
96 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI 2.0, 1x DisplayPort 1.4a
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 (12_1)
CUDA
+
7.5
OpenCL
1.1
3.0
OpenGL
4.5
4.6
Shader Model
5.1
6.6
Vulkan
1.1.126
1.3
3D Blu-Ray
+
-
Optimus
+
-