GeForce RTX 3080 and GeForce RTX 4090 Max-Q - video card comparison
GeForce RTX 3080
GeForce RTX 4090 Max-Q
Architecture
Ampere (2020−2022)
Ada Lovelace
GPU code name
Ampere GA102
AD103
Market segment
Desktop
Desktop
Release date
September 2020
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 12-pin
None
Boost clock speed
1710 MHz
1455 MHz
Core clock speed
1450 MHz
-
Manufacturing process technology
8 nm
4 nm
Number of transistors
28,300 million
45,900 million
Pipelines / CUDA cores
8704
9728
Power consumption (TDP)
320 Watt
80 Watt
Texture fill rate
465.1
442.3
Memory type
GDDR6X
GDDR6
Maximum RAM amount
10 GB
16 GB
Memory bus width
320 Bit
256 Bit
Memory clock speed
19000 MHz
14 GB/s
Memory bandwidth
760.3 GB/s
448.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
Portable Device Dependent
HDMI
+
-
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
CUDA
8.5
8.9
OpenCL
2.0
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3