iXBT Labs - Computer Hardware in Detail






3D labs VP870

The 3D labs VP870 has AGP x2/x4 interface, 128 MB DDR SGRAM located in 8 chips on both PCB sides. 

Brief technical characteristics of the P10 chip the card is based on: 
  • Technology: 0.15-micron, 76 M transistors, 860-pin HSBGA package
  • 4 pixel rendering pipelines, up to 2 textures per clock 
  • 256-bit interface of DDR memory (up to 20 GB/s at 312.5 MHz DDR) 
  • Full support of DirectX 8 pixel and vertex shaders, VS 2.0 in DirectX 9, OpenGL 2.0 
  • Optimized graphics pipeline supporting SIMD (single instruction, multiple data) arrays
  • Software full-screen anti-aliasing
  • Performance: up to 170 Gflops/1 TeraOp 
  • Virtual memory subsystem where all memory requests are located in a single virtual address space of 16 GB which allows P10 based boards to avoid limitations of the on-board graphics memory
  • Multithread processing of commands which emulates several virtual VPUs 
  • Programmable modules supporting complex commands including subroutines and loops; texture decompression modules and real-time wavelet geometry
  • Dual integrated 370-MHz 10bit RAMDAC 
  • Full 2D and 3D acceleration on two screens, overlay with double hardware buffering

Alexander Kondakov (mailto:kondalex@ixbt.com

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