GeForce GT 640M and GeForce RTX 3060 Mobile - video card comparison
Passmark - benchmark score GeForce GT 640M vs GeForce RTX 3060 Mobile
GeForce GT 640M
943
GeForce RTX 3060 Mobile
12926
GeForce GT 640M
GeForce RTX 3060 Mobile
Architecture
Kepler (2012−2018)
Ampere (2020−2022)
GPU code name
N13P-GS
GN20-E3 GA106
Market segment
Laptop
Laptop
Release date
March 2012
January 2021
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Boost clock speed
645 MHz
1702 MHz
Core clock speed
Up to 625 MHz
817 MHz
CUDA cores
384
-
Floating-point performance
480.0 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
1,270 million
13,250 million
Pipelines / CUDA cores
384
3840
Power consumption (TDP)
32 Watt
115 Watt (60 - 115 Watt TGP)
Texture fill rate
Up to 20.0 billion/sec
171.0
Memory type
DDR3\GDDR5
GDDR6
Maximum RAM amount
2 GB
6 GB
Memory bus width
128bit
192 Bit
Memory clock speed
1800 - 4000 MHz
14000 MHz
Memory bandwidth
Up to 64.0 GB/s
336.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 Ultimate (12_2)
CUDA
+
8.6
OpenCL
1.1
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2
3D Blu-Ray
+
-
Optimus
+
-