
GeForce 820M and GeForce GTX 1660 - video card comparison
Passmark - benchmark score GeForce 820M vs GeForce GTX 1660
GeForce 820M
511
GeForce GTX 1660
12040
GeForce 820M
GeForce GTX 1660
Architecture
Fermi (2010−2014)
Turing (2018−2021)
GPU code name
N15V-GM
Turing TU116
Market segment
Laptop
Desktop
Release date
January 2014
March 2019
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
1x 8-pin
Boost clock speed
-
1785 MHz
Core clock speed
775 MHz
1530 MHz
Floating-point performance
240.0 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
585 million
6,600 million
Pipelines / CUDA cores
96
1408
Power consumption (TDP)
15 Watt
120 Watt
Texture fill rate
10.00
157.1
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
6 GB
Memory bus width
64 Bit
192 Bit
Memory clock speed
1800 MHz
8000 MHz
Memory bandwidth
14.4 GB/s
192.1 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (11_0)
12 (12_1)
CUDA
+
7.5
OpenCL
1.1
1.2
OpenGL
4.5
4.6
Shader Model
5.1
6.5
Vulkan
N/A
1.2.131
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-