GeForce RTX 3080 Ti 20 GB and GeForce RTX 4090 - video card comparison
GeForce RTX 3080 Ti 20 GB
GeForce RTX 4090
Architecture
Ampere (2020−2022)
Ada Lovelace
GPU code name
GA102
AD102-300-A1
Market segment
Desktop
Desktop
Release date
January 2022
September 2022
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 12-pin
1x 16-pin
Boost clock speed
1665 MHz
2520 MHz
Core clock speed
-
2235 MHz
Manufacturing process technology
8 nm
5 nm
Number of transistors
28,300 million
76,300 million
Pipelines / CUDA cores
10240
16384
Power consumption (TDP)
350 Watt
450 Watt
Texture fill rate
532.8
1,290
Memory type
GDDR6X
GDDR6X
Maximum RAM amount
20 GB
24 GB
Memory bus width
320 Bit
384 Bit
Memory clock speed
19 GB/s
21000 MHz
Memory bandwidth
760.3 GB/s
1,008 GB/s
Shared memory
-
-
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
6.6
Vulkan
1.3
1.3