GeForce GT 640M and GeForce RTX 4060 - video card comparison
Passmark - benchmark score GeForce GT 640M vs GeForce RTX 4060
GeForce GT 640M
943
GeForce RTX 4060
20165
GeForce GT 640M
GeForce RTX 4060
Architecture
Kepler (2012−2018)
Ada Lovelace
GPU code name
N13P-GS
AD107
Market segment
Laptop
Desktop
Release date
March 2012
May 2023
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
-
1x 12-pin
Boost clock speed
645 MHz
2460 MHz
Core clock speed
Up to 625 MHz
1830 MHz
CUDA cores
384
-
Floating-point performance
480.0 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
1,270 million
35,800 million
Pipelines / CUDA cores
384
3072
Power consumption (TDP)
32 Watt
115 Watt
Texture fill rate
Up to 20.0 billion/sec
236.2
Memory type
DDR3\GDDR5
GDDR6
Maximum RAM amount
2 GB
8 GB
Memory bus width
128bit
128 Bit
Memory clock speed
1800 - 4000 MHz
17000 MHz
Memory bandwidth
Up to 64.0 GB/s
272.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 Ultimate (12_2)
CUDA
+
8.9
OpenCL
1.1
3.0
OpenGL
4.5
4.6
Shader Model
5.1
6.7
Vulkan
1.1.126
1.3
3D Blu-Ray
+
-
Optimus
+
-