Quadro K620 and GeForce GT 635M - video card comparison
Passmark - benchmark score Quadro K620 vs GeForce GT 635M
Quadro K620
2297
GeForce GT 635M
578
Quadro K620
GeForce GT 635M
Architecture
Maxwell (2014−2018)
Fermi (2010−2014)
GPU code name
GM107
N13E-GE2
Market segment
Workstation
Laptop
Release date
July 2014
December 2011
Bus support
-
PCI Express 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Boost clock speed
1124 MHz
753 MHz
Core clock speed
1058 MHz
Up to 675 MHz
CUDA cores
-
Up to 144
Floating-point performance
863.2 gflops
253.4 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
1,170 million
Pipelines / CUDA cores
384
144
Power consumption (TDP)
41 Watt
35 Watt
Texture fill rate
26.98
Up to 16.2 billion/sec
Memory type
128 Bit
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
Up to 192bit
Memory clock speed
1800 MHz
1800 MHz
Memory bandwidth
Up to 29 GB/s
Up to 43.2 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
+
N/A
3D Blu-Ray
-
+
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-
Optimus
-
+