GeForce 940M and GeForce GT 620 - video card comparison
Passmark - benchmark score GeForce 940M vs GeForce GT 620
GeForce 940M
1156
GeForce GT 620
388
GeForce 940M
GeForce GT 620
Architecture
Maxwell (2014−2018)
Fermi (2010−2014)
GPU code name
N16S-GT-S/B
GF108
Market segment
Laptop
Desktop
Release date
March 2015
May 2012
Bus support
PCI Express 3.0
PCI Express 2.0
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
1176 MHz
-
Core clock speed
1072 MHz
700 MHz
CUDA cores
-
96
Floating-point performance
903.2 gflops
268.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
585 million
Pipelines / CUDA cores
384
96
Power consumption (TDP)
75 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
28.22
11.2 billion/sec
Memory type
DDR3
DDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
2000 MHz
1.8 GB/s
Memory bandwidth
14.4 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
Dual Link DVI-I, HDMI, VGA
Multi monitor support
-
+
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (11_0)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.5
4.2
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
3D Blu-Ray
-
+
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-