GeForce RTX 3080 Ti 20 GB and GeForce RTX 4090 Ti - video card comparison
GeForce RTX 3080 Ti 20 GB
GeForce RTX 4090 Ti
Architecture
Ampere (2020−2022)
Ada Lovelace
GPU code name
GA102
AD102
Market segment
Desktop
Desktop
Release date
January 2022
2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 12-pin
2x 16-pin
Boost clock speed
1665 MHz
2565 MHz
Manufacturing process technology
8 nm
5 nm
Number of transistors
28,300 million
76,300 million
Pipelines / CUDA cores
10240
18176
Power consumption (TDP)
350 Watt
600 Watt
Texture fill rate
532.8
1,457
Memory type
GDDR6X
GDDR6X
Maximum RAM amount
20 GB
24 GB
Memory bus width
320 Bit
384 Bit
Memory clock speed
19 GB/s
24 GB/s
Memory bandwidth
760.3 GB/s
1,152 GB/s
Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.6
8.9
OpenCL
3.0
3.0
OpenGL
4.6
4.6
Shader Model
6.6
6.7
Vulkan
1.3
1.3