GeForce GT 420M and GeForce RTX 4090 Ti - video card comparison
GeForce GT 420M
GeForce RTX 4090 Ti
Architecture
Fermi (2010−2014)
Ada Lovelace
GPU code name
N11P-GE
AD102
Market segment
Laptop
Desktop
Release date
September 2010
2023
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
2x 16-pin
Boost clock speed
-
2565 MHz
Core clock speed
500 MHz
-
CUDA cores
96
-
Floating-point performance
192 gflops
-
Manufacturing process technology
40 nm
5 nm
Number of transistors
585 million
76,300 million
Pipelines / CUDA cores
96
18176
Power consumption (TDP)
23 Watt
600 Watt
Texture fill rate
6.0 billion/sec
1,457
Memory type
(G)DDR3
GDDR6X
Maximum RAM amount
1 GB
24 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
800 MHz
24 GB/s
Memory bandwidth
25.6 GB/s
1,152 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
12 API
12 Ultimate (12_2)
CUDA
+
8.9
OpenCL
1.1
3.0
OpenGL
4.5
4.6
Shader Model
5.1
6.7
Vulkan
N/A
1.3