
GRID K520 and Quadro K620 - video card comparison
Passmark - benchmark score GRID K520 vs Quadro K620
GRID K520
3621
Quadro K620
2297
GRID K520
Quadro K620
Architecture
Kepler (2012−2018)
Maxwell (2014−2018)
GPU code name
GK104
GM107
Market segment
Workstation
Workstation
Release date
July 2013
July 2014
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
None
Boost clock speed
-
1124 MHz
Core clock speed
745 MHz
1058 MHz
Floating-point performance
2x 2,448 gflops
863.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
1,870 million
Pipelines / CUDA cores
1536
384
Power consumption (TDP)
225 Watt
41 Watt
Texture fill rate
95.36
26.98
Memory type
GDDR5
128 Bit
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
5000 MHz
1800 MHz
Memory bandwidth
160.0 GB/s
Up to 29 GB/s
Display Connectors
No outputs
DVI-I DP
Number of simultaneous displays
-
4
DirectX
12 (11_0)
12
CUDA
3.0
5.0
OpenCL
1.2
1.2
OpenGL
4.6
4.5
Shader Model
5.1
5
Vulkan
1.1.126
+
3D Vision Pro
-
+
Mosaic
-
+
nView Desktop Management
-
+