
GeForce GT 640M LE and Quadro T1200 Mobile - video card comparison
GeForce GT 640M LE
Quadro T1200 Mobile
Architecture
Fermi / Kepler (2012)
Turing (2018−2021)
GPU code name
N13P-LP
TU117
Market segment
Laptop
Mobile workstation
Release date
March 2012
April 2021
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Boost clock speed
-
1425 MHz
Core clock speed
Up to 500 MHz
855 MHz
CUDA cores
Up to 384
-
Floating-point performance
384.0 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
585 million
4,700 million
Pipelines / CUDA cores
384
1024
Power consumption (TDP)
20 Watt
95 Watt (35 - 95 Watt TGP)
Texture fill rate
Up to 16.0 billion/sec
91.20
Memory type
DDR3\DDR5
GDDR6
Maximum RAM amount
2 GB
4 GB
Memory bus width
128bit
128 Bit
Memory clock speed
1800 - 4000 MHz
10000 MHz
Memory bandwidth
Up to 28.8 GB/s
160.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 (12_1)
CUDA
+
7.5
OpenCL
1.1
3.0
OpenGL
4.5
4.6
Shader Model
5.1
6.6
Vulkan
N/A
1.2
3D Blu-Ray
+
-
Optimus
+
-