GeForce GT 420 OEM and GeForce RTX 3090 Ti - video card comparison
GeForce GT 420 OEM
GeForce RTX 3090 Ti
Architecture
Fermi (2010−2014)
Ampere (2020−2022)
GPU code name
GF108
Ampere GA102
Market segment
Desktop
Desktop
Release date
September 2010
January 2022
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
1x 16-pin
Boost clock speed
-
1860 MHz
Core clock speed
700 MHz
1560 MHz
Floating-point performance
134.4 gflops
-
Manufacturing process technology
40 nm
8 nm
Number of transistors
585 million
28,300 million
Pipelines / CUDA cores
48
10752
Power consumption (TDP)
50 Watt
450 Watt
Texture fill rate
2.800
625.0
Memory type
DDR3
GDDR6X
Maximum RAM amount
1 GB
24 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
1800 MHz
21000 MHz
Memory bandwidth
28.8 GB/s
1,008 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
+
+
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
2.1
8.6
OpenCL
1.1
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.6
Vulkan
N/A
1.3