GeForce GT 620 and GeForce GT 1030 DDR4 - video card comparison
GeForce GT 620
GeForce GT 1030 DDR4
Architecture
Fermi (2010−2014)
Pascal (2016−2021)
GPU code name
GF108
GP108
Market segment
Desktop
Desktop
Release date
May 2012
March 2018
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x4
Supplementary power connectors
None
None
Boost clock speed
-
1379 MHz
Core clock speed
700 MHz
1152 MHz
CUDA cores
96
-
Floating-point performance
268.8 gflops
1,059 gflops
Manufacturing process technology
40 nm
14 nm
Number of transistors
585 million
1,800 million
Pipelines / CUDA cores
96
384
Power consumption (TDP)
49 Watt
20 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
11.2 billion/sec
33.10
Memory type
DDR3
DDR4
Maximum RAM amount
1 GB
2 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1.8 GB/s
2100 MHz
Memory bandwidth
14.4 GB/s
16.8 GB/s
Display Connectors
Dual Link DVI-I, HDMI, VGA
1x DVI, 1x HDMI
Multi monitor support
+
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (12_1)
CUDA
+
6.1
OpenCL
1.1
1.2
OpenGL
4.2
4.6
Shader Model
5.1
6.4
Vulkan
N/A
1.2.131
3D Blu-Ray
+
-