
Quadro K620 and GeForce GT 650M - video card comparison
Passmark - benchmark score Quadro K620 vs GeForce GT 650M
Quadro K620
2297
GeForce GT 650M
1241
Quadro K620
GeForce GT 650M
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
GM107
N13E-GE
Market segment
Workstation
Laptop
Release date
July 2014
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
-
Boost clock speed
1124 MHz
900 MHz
Core clock speed
1058 MHz
Up to 900 MHz
CUDA cores
-
384
Floating-point performance
863.2 gflops
652.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
1,270 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
41 Watt
45 Watt
Texture fill rate
26.98
Up to 27.2 billion/sec
Memory type
128 Bit
DDR3\GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128bit
Memory clock speed
1800 MHz
1800 - 4000 MHz
Memory bandwidth
Up to 29 GB/s
Up to 80.0 GB/s
Shared memory
-
-
Display Connectors
DVI-I DP
No outputs
Number of simultaneous displays
4
-
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12
12 API
CUDA
5.0
+
OpenCL
1.2
1.1
OpenGL
4.5
4.5
Shader Model
5
5.1
Vulkan
+
1.1.126
3D Blu-Ray
-
+
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-
Optimus
-
+