GeForce RTX 4090 and GeForce RTX 2080 Ti 12 GB - video card comparison
GeForce RTX 4090
GeForce RTX 2080 Ti 12 GB
Architecture
Ada Lovelace
Turing (2018−2021)
GPU code name
AD102-300-A1
TU102
Market segment
Desktop
Desktop
Release date
September 2022
October 2022
Interface
PCIe 4.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 16-pin
2x 8-pin
Boost clock speed
2520 MHz
1650 MHz
Core clock speed
2235 MHz
-
Manufacturing process technology
5 nm
12 nm
Number of transistors
76,300 million
18,600 million
Pipelines / CUDA cores
16384
4608
Power consumption (TDP)
450 Watt
250 Watt
Texture fill rate
1,290
475.2
Memory type
GDDR6X
GDDR6
Maximum RAM amount
24 GB
12 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
21000 MHz
16 GB/s
Memory bandwidth
1,008 GB/s
768.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
1x HDMI 2.0, 3x DisplayPort 1.4a, 1x USB Type-C
HDMI
+
+
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.9
7.5
OpenCL
3.0
3.0
OpenGL
4.6
4.6
Shader Model
6.6
6.7
Vulkan
1.3
1.3