3dfx
Voodoo 3 3000 review
Posted
by Julio
Franco on May 26, 1999 - Page 2/7
Feature
Summary
3D Feature Set
- 7 million
triangles per second (V3 3000 at 166 MHz)
- 333
megatexels per second fill rate (@ 166 MHz)
- 128-bit 3D
acceleration
- Dual,
32-bit texture rendering architecture
- True
multi-texturing. 2 textures per-pixel per-clock
- Full
hardware setup of triangle parameters
- Support for
multi-triangle strips and fans
- Single
Pass, Single-cycle Bump mapping
- Single
Pass, Single-cycle trilinear MIP-mapping
- Sub-pixel
and sub-texel correction with 0.4x0.4 resolution
- Per-pixel
atmospheric fog with programmable fog zones
- Floating
point Z buffer (W buffer)
- True
per-pixel, LOD MIP mapping with biasing and clamping
- Highly
accurate LOD calculations
- Texture
compositing for multi-texture and special effects
- Support for
14 texture map formats
- 8-bit
palletized textures with full bilinear filtering
- Texture
compression through narrow channel YAB format
2D
Feature Set
- Fully
integrated 128-bit VGA and 2D engine
- High-speed
128-bit Windows GUI acceleration
- Hardware
acceleration for Bresenham line draw, 2-edge polygon
fill, scissor/rectangle clippers and full 256 ROPs
- Internal
256-bit datapath
- Source and
destination chroma-keying for DirectDraw
- Color
expansion and single-cycle block writes
- Accelerated
8, 16, 24 (packed), and 32-bit modes
Video
Subsystem
- Support for
ultra-high resolution displays on PC monitors, LCD flat
panels, and HDTV (Digital Flat Panel Support via LCDfx
on Voodoo3 3500 only)
- Resolutions
of up to 2046 x 1536 at a full 75Hz screen refresh rate
- YUV 4:2:2
and YUV 4:2:0 planar support
- 30 frames
per second DVD playback with no dropped frames
- Supports
the latest MPEG2 software CODECs via DirectShow
- De-interlacing
using Bob and Weave
- Separate
gamma correction for video and graphics
Hardware
Components
Graphics Subsystem
- 24-bit
(12-bit dual-edge) digital RGB data output to support
video output devices such as:
- Digital Flat Panels Support for
VESA-DFP1.0p-compliant monitors provided via the 3dfx
LCDfx ASIC. Voodoo3 3000 and 3500 support displays
resolutions from VGA (640x480) to SXGA (1280x1024)
(Digital Flat Panel support on Voodoo3 3500 only.)
- NTSC or PAL TV encoders (Brooktree Bt868
included on board)
Bus
Interface
- Graphics
bus interface AGP 2X with sidebands
I/O
Connectors
- HD15
VGA output and monitor detection I/O
- MDR-20
Provides Digital Flat Panel Interface (DFP Support on
3500 only.)
- Video
Composite Video-Out (RCA jack)
- CCR-601
System
Requirements
- Windows 95
or Windows 98 (Windows NT4.0 for 2D benchmark test)
- PC with a
Pentium, Celeron , Pentium II, or Pentium Pro
Processor (Pentium 233 and up recommended), AMD K6-2,
K6-3 with 3DNow! and a free AGP or PCI slot. 32MB of
system RAM (64MB recommended)

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