
Quadro RTX 4000 and GeForce GT 640M - video card comparison
Passmark - benchmark score Quadro RTX 4000 vs GeForce GT 640M
Quadro RTX 4000
15857
GeForce GT 640M
946
Quadro RTX 4000
GeForce GT 640M
Architecture
Turing (2018−2021)
Kepler (2012−2018)
GPU code name
TU104
N13P-GS
Market segment
Workstation
Laptop
Release date
November 2018
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 8-pin
-
Boost clock speed
1545 MHz
645 MHz
Core clock speed
1005 MHz
Up to 625 MHz
CUDA cores
-
384
Floating-point performance
-
480.0 gflops
Manufacturing process technology
12 nm
28 nm
Number of transistors
13,600 million
1,270 million
Pipelines / CUDA cores
2304
384
Power consumption (TDP)
160 Watt
32 Watt
Texture fill rate
222.5
Up to 20.0 billion/sec
Memory type
GDDR6
DDR3\GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
128bit
Memory clock speed
13000 MHz
1800 - 4000 MHz
Memory bandwidth
416.0 GB/s
Up to 64.0 GB/s
Shared memory
-
-
Display Connectors
3x DisplayPort, 1x USB Type-C
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 Ultimate (12_1)
12 API
CUDA
7.5
+
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
6.5
5.1
Vulkan
1.2.131
1.1.126
3D Blu-Ray
-
+
Optimus
-
+