GeForce 940MX and GeForce GT 620 - video card comparison
Passmark - benchmark score GeForce 940MX vs GeForce GT 620
GeForce 940MX
1561
GeForce GT 620
388
GeForce 940MX
GeForce GT 620
Architecture
Maxwell (2014−2018)
Fermi (2010−2014)
GPU code name
N16S-GTR-B/S
GF108
Market segment
Laptop
Desktop
Release date
March 2016
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
None
Boost clock speed
1242 MHz
-
Core clock speed
1122 MHz
700 MHz
CUDA cores
-
96
Floating-point performance
762.6 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)
23 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
23.83
11.2 billion/sec
Memory type
DDR3, GDDR5
DDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
4000 MHz
1.8 GB/s
Memory bandwidth
40.1 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
N/A
3D Blu-Ray
-
+
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-