GeForce GT 620 and GeForce GTX 745 OEM - video card comparison
GeForce GT 620
GeForce GTX 745 OEM
Architecture
Fermi (2010−2014)
Maxwell (2014−2018)
GPU code name
GF108
GM107
Market segment
Desktop
Desktop
Release date
May 2012
February 2014
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Core clock speed
700 MHz
1033 MHz
CUDA cores
96
-
Floating-point performance
268.8 gflops
793.3 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
585 million
1,870 million
Pipelines / CUDA cores
96
384
Power consumption (TDP)
49 Watt
55 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
11.2 billion/sec
24.79
Memory type
DDR3
DDR3
Maximum RAM amount
1 GB
4 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1.8 GB/s
1800 MHz
Memory bandwidth
14.4 GB/s
28.8 GB/s
Display Connectors
Dual Link DVI-I, HDMI, VGA
1x DVI, 1x HDMI, 1x VGA
Multi monitor support
+
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
5.0
OpenCL
1.1
1.2
OpenGL
4.2
4.6
Shader Model
5.1
5.1
Vulkan
N/A
1.1.126
3D Blu-Ray
+
-