GeForce RTX 4090 and GeForce RTX 4090 Max-Q - video card comparison
GeForce RTX 4090
GeForce RTX 4090 Max-Q
Architecture
Ada Lovelace
Ada Lovelace
GPU code name
AD102-300-A1
AD103
Market segment
Desktop
Desktop
Release date
September 2022
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 16-pin
None
Boost clock speed
2520 MHz
1455 MHz
Core clock speed
2235 MHz
-
Manufacturing process technology
5 nm
4 nm
Number of transistors
76,300 million
45,900 million
Pipelines / CUDA cores
16384
9728
Power consumption (TDP)
450 Watt
80 Watt
Texture fill rate
1,290
442.3
Memory type
GDDR6X
GDDR6
Maximum RAM amount
24 GB
16 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
21000 MHz
14 GB/s
Memory bandwidth
1,008 GB/s
448.0 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
8.9
8.9
OpenCL
3.0
3.0
OpenGL
4.6
4.6
Shader Model
6.6
6.7
Vulkan
1.3
1.3