Matrox Parhelia 256 MB and GeForce 256 SDR - video card comparison
Matrox Parhelia 256 MB
GeForce 256 SDR
Architecture
Parhelia (2002−2006)
Celsius (1999−2005)
GPU code name
Parhelia-512
NV10 A3
Market segment
Desktop
Desktop
Release date
June 2002
October 1999
Interface
AGP 4x
AGP 4x
Supplementary power connectors
None
None
Core clock speed
200 MHz
120 MHz
Manufacturing process technology
150 nm
220 nm
Number of transistors
80 million
17 million
Texture fill rate
0.8
0.48
Memory type
DDR
SDR
Maximum RAM amount
256 MB
32 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
500 MHz
143 MHz
Memory bandwidth
16 GB/s
1.144 GB/s
Display Connectors
2x DVI
1x VGA
DirectX
8.1
7.0
OpenCL
N/A
N/A
OpenGL
1.5
1.2
Vulkan
N/A
N/A