Xbox XGPU-B and GeForce RTX 4090 Mobile - video card comparison
Xbox XGPU-B
GeForce RTX 4090 Mobile
Architecture
Kelvin (2001−2003)
Ada Lovelace
GPU code name
NV2A
GN21-X11
Market segment
Desktop
Laptop
Release date
November 2001
January 2023
Interface
AGP 4x
PCIe 4.0 x16
Boost clock speed
-
2040 MHz
Core clock speed
233 MHz
-
Manufacturing process technology
150 nm
5 nm
Number of transistors
57 million
45,900 million
Pipelines / CUDA cores
-
9728
Power consumption (TDP)
-
150 Watt (80 - 150 Watt TGP)
Texture fill rate
1.864
515.3
Memory type
DDR
GDDR6
Maximum RAM amount
64 MB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
400 MHz
20000 MHz
Memory bandwidth
6.4 GB/s
576.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
Portable Device Dependent
DirectX
8.1
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
N/A
3.0
OpenGL
1.4
4.6
Shader Model
-
6.7
Vulkan
N/A
1.3