
Xbox XGPU-B and Atari VCS 400 GPU - video card comparison
Xbox XGPU-B
Atari VCS 400 GPU
Architecture
Kelvin (2001−2003)
GCN 5.0 (2017−2020)
GPU code name
NV2A
Banded Kestrel
Market segment
Desktop
Desktop
Release date
November 2001
December 2020
Interface
AGP 4x
IGP
Supplementary power connectors
-
None
Boost clock speed
-
1201 MHz
Core clock speed
233 MHz
-
Manufacturing process technology
150 nm
14 nm
Number of transistors
57 million
4,940 million
Pipelines / CUDA cores
-
192
Power consumption (TDP)
-
15 Watt
Texture fill rate
1.864
14.41
Memory type
DDR
DDR4
Maximum RAM amount
64 MB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
400 MHz
2.4 GB/s
Memory bandwidth
6.4 GB/s
38.4 GB/s
Display Connectors
No outputs
No outputs
DirectX
8.1
12 (12_1)
OpenCL
N/A
2.1
OpenGL
1.4
4.6
Shader Model
-
6.4
Vulkan
N/A
1.2