GeForce GT 640M LE and GeForce RTX 4090 - video card comparison
Passmark - benchmark score GeForce GT 640M LE vs GeForce RTX 4090
GeForce GT 640M LE
720
GeForce RTX 4090
39777
GeForce GT 640M LE
GeForce RTX 4090
Architecture
Fermi / Kepler (2012)
Ada Lovelace
GPU code name
N13P-LP
AD102-300-A1
Market segment
Laptop
Desktop
Release date
March 2012
September 2022
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
1x 16-pin
Boost clock speed
-
2520 MHz
Core clock speed
Up to 500 MHz
2235 MHz
CUDA cores
Up to 384
-
Floating-point performance
384.0 gflops
-
Manufacturing process technology
28 nm
5 nm
Number of transistors
585 million
76,300 million
Pipelines / CUDA cores
384
16384
Power consumption (TDP)
20 Watt
450 Watt
Texture fill rate
Up to 16.0 billion/sec
1,290
Memory type
DDR3\DDR5
GDDR6X
Maximum RAM amount
2 GB
24 GB
Memory bus width
128bit
384 Bit
Memory clock speed
1800 - 4000 MHz
21000 MHz
Memory bandwidth
Up to 28.8 GB/s
1,008 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
6.6
Vulkan
N/A
1.3
3D Blu-Ray
+
-
Optimus
+
-