Radeon RX 5900 XT and GeForce RTX 4090 Mobile - video card comparison
Radeon RX 5900 XT
GeForce RTX 4090 Mobile
Architecture
RDNA 2.0 (2020−2022)
Ada Lovelace
GPU code name
Navi 21
GN21-X11
Market segment
Desktop
Laptop
Release date
-
January 2023
Interface
PCIe 4.0 x16
PCIe 4.0 x16
Supplementary power connectors
2x 8-pin
-
Boost clock speed
1735 MHz
2040 MHz
Manufacturing process technology
7 nm
5 nm
Number of transistors
21,000 million
45,900 million
Pipelines / CUDA cores
4352
9728
Power consumption (TDP)
300 Watt
150 Watt (80 - 150 Watt TGP)
Texture fill rate
471.9
515.3
Memory type
GDDR6
GDDR6
Maximum RAM amount
12 GB
16 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
14000 MHz
20000 MHz
Memory bandwidth
672.0 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
Portable Device Dependent
HDMI
+
-
DirectX
12 Ultimate (12_1)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
-
3.0
OpenGL
4.6
4.6
Shader Model
-
6.7
Vulkan
-
1.3