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XGI Volari - Newest GPU on the Block

XGI Volari - Newest GPU on the Block - PCSTATS
Abstract: When XGI Technology announced the Volari line of graphics processors for the desktop and mobile market on September 15th, the collective response from the PC community was..."Wha...?"
Filed under: Video Cards Published:  Author: 
External Mfg. Website: XGI Oct 23 2003   Mike Dowler  
Home > Reviews > Video Cards > XGI Volari

The Volari V8

The Volari V8 is XGI's high-end graphics solution. Clocked at 300Mhz, this 90-million transistor Directx 9.0 chip can support up to 256MB of DDR or DDR2 memory at speeds of over 325Mhz for DDR and 450Mhz for DDR2.

The XGI V8 will feature 8 pixel pipelines (each with two texture units), 2 vertex-shading units and 4 pixel shaders. Combined with the 300Mhz clock rate, this will give it a fill rate of 2.4GP/s and with the dual texture units for each pipeline, 4.8 Gigatexels.

Combining the 128-bit memory bus that all Volari chips use with the memory clock, we will see peak transfer rates of 14.4GB/s (128-bit * 450Mhz * 2(ddr) / 8 (bits to a byte)). The V8 will be capable of 2x or 4x Full-scene anti-aliasing (FSAA).

The XGI Volari V8 will also be available in an 'Ultra' version clocked at 350Mhz (2.8GP/s/5.6GT/s/16GB/s) with comparatively faster memory timings of 375Mhz and 500Mhz respectively for DDR and DDR2. A pair of V8 or V8 Ultra chips go into each Volari Duo V8/Duo V8 Ultra.

The Volari V5 is functionally identical to the V8 chip with the exception of its pixel pipelines and shaders. The V5 uses only four pixel pipelines and two pixel shaders. In all other respects it is equivalent to the V8.

The Volari V5 also comes in an 'Ultra' version with higher clock and memory speeds, two of which chips make up the Volari Duo V5 Ultra. Doing the math gives us specs of 1.2GP/s and 2.4GT/s for the regular V5 and 1.4/2.8 for the higher clocked 'ultra' version. As the V5 is clocked identically to the V8, the peak memory bandwidth should also be the same at 14.4GB/s (16GB/s for the ultra).

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Contents of Article: XGI Volari
 Pg 1.  XGI Volari - Newest GPU on the Block
 Pg 2.  The Volari product line
 Pg 3.  — The Volari V8
 Pg 4.  Volari V3, BitFluent Architecture
 Pg 5.  The Volari Duo Series
 Pg 6.  BroadBahn Memory Architecture
 Pg 7.  CipherVideo and ColorAmp
 Pg 8.  Reactor Unified Driver

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