
Fire GL1 and Xbox XGPU-B - video card comparison
Fire GL1
Xbox XGPU-B
Architecture
IBM (1999−2001)
Kelvin (2001−2003)
GPU code name
IBM
NV2A
Market segment
Desktop
Desktop
Release date
March 1999
November 2001
Interface
AGP 2x
AGP 4x
Supplementary power connectors
None
-
Core clock speed
45 MHz
233 MHz
Manufacturing process technology
250 nm
150 nm
Number of transistors
-
57 million
Texture fill rate
0.05
1.864
Memory type
SDR
DDR
Maximum RAM amount
32 MB
64 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
100 MHz
400 MHz
Memory bandwidth
3.2 GB/s
6.4 GB/s
Display Connectors
1x VGA
No outputs
DirectX
6.0
8.1
OpenCL
N/A
N/A
OpenGL
1.2
1.4
Vulkan
N/A
N/A