
GeForce RTX 4090 Mobile and Radeon Instinct MI300X - video card comparison
GeForce RTX 4090 Mobile
Radeon Instinct MI300X
Architecture
Ada Lovelace
CDNA 3.0
GPU code name
GN21-X11
Aqua Vanjaram
Market segment
Laptop
Desktop
Release date
January 2023
December 2023
Interface
PCIe 4.0 x16
PCIe 5.0 x16
Supplementary power connectors
-
None
Boost clock speed
2040 MHz
2100 MHz
Manufacturing process technology
5 nm
5 nm
Number of transistors
45,900 million
153,000 million
Pipelines / CUDA cores
9728
19456
Power consumption (TDP)
150 Watt (80 - 150 Watt TGP)
750 Watt
Texture fill rate
515.3
2,554
Memory type
GDDR6
HBM3
Maximum RAM amount
16 GB
192 GB
Memory bus width
256 Bit
8192 Bit
Memory clock speed
20000 MHz
5 GB/s
Memory bandwidth
576.0 GB/s
5,171 GB/s
Shared memory
-
-
Display Connectors
Portable Device Dependent
No outputs
DirectX
12 Ultimate (12_2)
N/A
CUDA
8.9
-
OpenCL
3.0
3.0
OpenGL
4.6
N/A
Shader Model
6.7
N/A
Vulkan
1.3
N/A