Video Logic  显示芯片

 

显示芯片(NEC)

 

Chip
PowerVR PCX1
PowerVR PCX2
PowerVR 250
Kyro
Kyro II
Kyro IISe
Date
1996
1997
1999
2000
2001
2002
Serie
Serie 1
Serie 2
Serie 3
 
NEC
NEC
ST Microelectronics
 
0,35 micron
0,25 micron
0,18 micron
 
0,6
1,2
4
12
15
15 (?)
 
32 bit SDR
32 bit SDR
64 bit SDR
128 bit SDR
Chip
60 MHz
66 MHz
125 MHz
115 MHz
175 MHz
200 MHz
Interface
PCI
PCI
PCI/AGP(2x)
PCI/AGP(4x)
AGP (2x)
AGP(4x)
Pixelpipelines
1
1
1
2
2
2
Textureinheiten
1
1
1
1
1
1
M/Pixel
60
66
125
230
350
400
Bandbreite (MB/Sek.)
240
264
1000
1840
2800
3200
Mill. Polygone/Sek.
ca. 1
ca. 1,2
5
12
15
?
Texturen per pass
1
8
RAMDAC
-
250 MHz
270 MHz
300 MHz
 
256x256x32bit
1024x1024x32bit
max. Memory
4 MB SDRAM
32MB SDRAM
64 MB SDRAM
FSAA
-
Supersampling 4x (D3D)
Supersampling 1x2, 2x1, 2x2
 
-
VQTC
DXTC1
API
PVRSGL,OpenGL,D3D (DX3)
OGL,D3D (DX7)
OpenGL, D3D (DX7)
 
ISP,TSP,texture mapping
bilineare+ trilineare Filterung, mipmap,table fog,vertex fog
TA,anisotrope Filterung, embossed + EMBM
internal true color,alpha test,DOT3,Z load and store,
enTal (D3D), Focus TV-encoder

 


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