
GeForce GTX 1660 Super and GeForce GT 640M LE - video card comparison
Passmark - benchmark score GeForce GTX 1660 Super vs GeForce GT 640M LE
GeForce GTX 1660 Super
13154
GeForce GT 640M LE
720
GeForce GTX 1660 Super
GeForce GT 640M LE
Architecture
Turing (2018−2021)
Fermi / Kepler (2012)
GPU code name
Turing TU116
N13P-LP
Market segment
Desktop
Laptop
Release date
October 2019
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
-
Boost clock speed
1785 MHz
-
Core clock speed
1530 MHz
Up to 500 MHz
CUDA cores
-
Up to 384
Floating-point performance
-
384.0 gflops
Manufacturing process technology
12 nm
28 nm
Number of transistors
6,600 million
585 million
Pipelines / CUDA cores
1408
384
Power consumption (TDP)
125 Watt
20 Watt
Texture fill rate
157.1
Up to 16.0 billion/sec
Memory type
GDDR6
DDR3\DDR5
Maximum RAM amount
6 GB
2 GB
Memory bus width
192 Bit
128bit
Memory clock speed
14000 MHz
1800 - 4000 MHz
Memory bandwidth
336.0 GB/s
Up to 28.8 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
+
HDCP
+
+
Maximum VGA resolution
-
Up to 2048x1536
G-SYNC support
+
-
DirectX
12 (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
N/A
3D Blu-Ray
-
+
Ansel
+
-
NVENC
+
-
Optimus
-
+