Quadro P400 and GeForce 820M - video card comparison
Passmark - benchmark score Quadro P400 vs GeForce 820M
Quadro P400
1690
GeForce 820M
511
Quadro P400
GeForce 820M
Architecture
Pascal (2016−2021)
Fermi (2010−2014)
GPU code name
GP107
N15V-GM
Market segment
Workstation
Laptop
Release date
February 2017
January 2014
Bus support
-
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Boost clock speed
1252 MHz
-
Core clock speed
1228 MHz
775 MHz
Floating-point performance
679.9 gflops
240.0 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
3,300 million
585 million
Pipelines / CUDA cores
256
96
Power consumption (TDP)
30 Watt
15 Watt
Texture fill rate
20.03
10.00
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
4008 MHz
1800 MHz
Memory bandwidth
32.06 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
3x mini-DisplayPort
No outputs
DirectX
12 (12_1)
12 (11_0)
CUDA
6.1
+
OpenCL
1.2
1.1
OpenGL
4.6
4.5
Shader Model
6.4
5.1
Vulkan
1.2.131
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+