
GeForce GT 620 and GeForce RTX 4090 - video card comparison
Passmark - benchmark score GeForce GT 620 vs GeForce RTX 4090
GeForce GT 620
388
GeForce RTX 4090
39777
GeForce GT 620
GeForce RTX 4090
Architecture
Fermi (2010−2014)
Ada Lovelace
GPU code name
GF108
AD102-300-A1
Market segment
Desktop
Desktop
Release date
May 2012
September 2022
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
1x 16-pin
Boost clock speed
-
2520 MHz
Core clock speed
700 MHz
2235 MHz
CUDA cores
96
-
Floating-point performance
268.8 gflops
-
Manufacturing process technology
40 nm
5 nm
Number of transistors
585 million
76,300 million
Pipelines / CUDA cores
96
16384
Power consumption (TDP)
49 Watt
450 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
11.2 billion/sec
1,290
Memory type
DDR3
GDDR6X
Maximum RAM amount
1 GB
24 GB
Memory bus width
64 Bit
384 Bit
Memory clock speed
1.8 GB/s
21000 MHz
Memory bandwidth
14.4 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI, VGA
1x HDMI 2.1, 3x DisplayPort 1.4a
Multi monitor support
+
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
+
8.9
OpenCL
1.1
3.0
OpenGL
4.2
4.6
Shader Model
5.1
6.6
Vulkan
N/A
1.3
3D Blu-Ray
+
-