GeForce RTX 3080 Ti 20 GB and GeForce RTX 4080 Mobile - video card comparison
GeForce RTX 3080 Ti 20 GB
GeForce RTX 4080 Mobile
Architecture
Ampere (2020−2022)
Ada Lovelace
GPU code name
GA102
GN21-X9
Market segment
Desktop
Laptop
Release date
January 2022
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 12-pin
-
Boost clock speed
1665 MHz
2280 MHz
Core clock speed
-
1860 MHz
Manufacturing process technology
8 nm
5 nm
Number of transistors
28,300 million
35,800 million
Pipelines / CUDA cores
10240
7424
Power consumption (TDP)
350 Watt
150 Watt (60 - 150 Watt TGP)
Texture fill rate
532.8
386.3
Memory type
GDDR6X
GDDR6X
Maximum RAM amount
20 GB
12 GB
Memory bus width
320 Bit
192 Bit
Memory clock speed
19 GB/s
20000 MHz
Memory bandwidth
760.3 GB/s
432.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI 2.1, 3x DisplayPort 1.4a
Portable Device Dependent
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