Shading architecture
Supports Microsoft DirectX 9.0 Shader Model 3.0 programmable
vertex and pixel shaders in hardware
Full speed 128-bit floating point processing for all shader
operations
Dedicated branch-execution units for high performance dynamic
branching and flow control
Dedicated texture address units for improved efficiency
Up to 128 simultaneous pixel threads
Multiple Render Target (MRT) support
Render to vertex buffer support
Supported graphics
APIs
OpenGL 2.0
DirectX 9.0
Available graphics
drivers
Microsoft Windows Vista Business 32 and 64, Microsoft Windows XP
Professional qualified drivers may be preloaded or available from the HP
support Web site:
http://welcome.hp.com/country/us/eng/software_drivers.html
.
HP-tested Windows XP and Linux
NVIDIA Quadro FX
1500 PCI-Express
graphics controller
Form Factor
ATX
Graphics Controller
NVIDIA NV71GL
Bus Type
PCI Express x16
Memory
256MB GDDR3 SDRAM unified frame buffer, Z-buffer and Texture
storage
Connectors
2 dual-link DVI-I + 9-pin HDTV output
Display resolution
support
Dual integrated analog display controllers supporting up to two analog
displays at 2048x1536 @ 85Hz on both displays or dual digital displays
at 1920x1200 (single-link) and 3840x2400 (dual-link).
HD-Out component Mode: YPrPB - SMPTE 1080i, 720p, 480p, 576p or
composite Mode: NTSC/PAL 480i, 576i
NVIEW advanced multi-display desktop and application management
seamlessly integrated into Microsoft® Windows®
RAMDAC
Dual 400MHz integrated
Architecture features
256-bit memory interface
128-bit IEEE floating-point precision graphics pipeline
128-bit color precision
12-bit sub-pixel precision
8x FSAA at 1920x1200, 4x at 2048x1536, rotated grid FSAA sampling
algorithm
Hardware accelerated anti-aliased points and lines
Hardware OpenGL overlay planes
Hardware accelerated two-sided lighting
Hardware accelerated clipping planes
3rd generation occlusion culling
3D volumetric texture support
Quad-buffered stereo
Dual Link DVI enabling driving digital displays up to 3840x2400 (24Hz)
QuickSpecs
HP xw6400 Workstation
Technical Specifications - Graphics
DA - 12505 Worldwide — Version 21 — August 16, 2007
Page 70
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