
GeForce GT 640M LE and Quadro RTX 8000 - video card comparison
Passmark - benchmark score GeForce GT 640M LE vs Quadro RTX 8000
GeForce GT 640M LE
720
Quadro RTX 8000
20064
GeForce GT 640M LE
Quadro RTX 8000
Architecture
Fermi / Kepler (2012)
Turing (2018−2021)
GPU code name
N13P-LP
TU102
Market segment
Laptop
Workstation
Release date
March 2012
August 2018
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin + 1x 8-pin
Boost clock speed
-
1770 MHz
Core clock speed
Up to 500 MHz
1395 MHz
CUDA cores
Up to 384
-
Floating-point performance
384.0 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
585 million
18,600 million
Pipelines / CUDA cores
384
4608
Power consumption (TDP)
20 Watt
260 Watt
Texture fill rate
Up to 16.0 billion/sec
509.8
Memory type
DDR3\DDR5
GDDR6
Maximum RAM amount
2 GB
48 GB
Memory bus width
128bit
384 Bit
Memory clock speed
1800 - 4000 MHz
14000 MHz
Memory bandwidth
Up to 28.8 GB/s
672.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
4x DisplayPort, 1x USB Type-C
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 Ultimate (12_1)
CUDA
+
7.5
OpenCL
1.1
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.5
Vulkan
N/A
1.2.131
3D Blu-Ray
+
-
Optimus
+
-