Quadro K620 and GeForce 820M - video card comparison
Passmark - benchmark score Quadro K620 vs GeForce 820M
Quadro K620
2297
GeForce 820M
511
Quadro K620
GeForce 820M
Architecture
Maxwell (2014−2018)
Fermi (2010−2014)
GPU code name
GM107
N15V-GM
Market segment
Workstation
Laptop
Release date
July 2014
January 2014
Bus support
-
PCI Express 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Boost clock speed
1124 MHz
-
Core clock speed
1058 MHz
775 MHz
Floating-point performance
863.2 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
585 million
Pipelines / CUDA cores
384
96
Power consumption (TDP)
41 Watt
15 Watt
Texture fill rate
26.98
10.00
Memory type
128 Bit
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1800 MHz
1800 MHz
Memory bandwidth
Up to 29 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
DVI-I DP
No outputs
Number of simultaneous displays
4
-
DirectX
12
12 (11_0)
CUDA
5.0
+
OpenCL
1.2
1.1
OpenGL
4.5
4.5
Shader Model
5
5.1
Vulkan
+
N/A
3D Vision Pro
+
-
GameWorks
-
+
GPU Boost
-
2.0
Mosaic
+
-
nView Desktop Management
+
-
Optimus
-
+