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Biostar Sigma-Gate GeForce 7600GS V7603GS-21 Videocard Review

Biostar Sigma-Gate GeForce 7600GS V7603GS-21 Videocard Review - PCSTATS
Abstract: Biostar's two videocard overclocking programs allow you to not only tune the core and memory clock speed from within Windows XP, but also adjust the GPU core and memory voltages!
 88% Rating:   
Filed under: Video Cards Published:  Author: 
External Mfg. Website: BIOSTAR Dec 07 2006   Colin Sun  
Home > Reviews > Video Cards > BIOSTAR Sigma-Gate GeForce 7600GS

nVIDIA PureVideo and High Definition Content

High definition is the future entertainment standard of tomorrow's video's. Playing high definition content on current generation PCs can bog down even the fastest processors because there is more data to handle. Similar to the need for DVD accelerators a few years ago, nVIDIA PureVideo enables computer users to view MPEG-2/DVD and WMV9 High Definition formats on the monitor without slowing the Biostar Sigma-Gate GeForce 7600GS system to a crawl.

The PureVideo standard incorporates a hardware accelerator for the afore mentioned MPEG-2/DVD, and Microsoft Windows Media High Definition Video standards (WMV9 HD). According to nVIDIA's documentation on PureVideo, the GPU (GeForce 6 and 7 series GPUs) takes on video decoding tasks from the CPU, and the end result is smoother, shutter free High Definition playback. nVIDIA PureVideo also supports most current and future high definition formats.

PureVideo is more than just a media accelerator; it also includes features to improve video picture quality. DVD, cable and satellite video provide poor crispness, clearness and smoothness that consumers have been desperate to be "saved from." nVIDIA's PureVideo technology applies spatial temporal de-interlacing to apparently deliver a better image than traditional de-interlacing can muster. PureVideo also fixes the 3:2 pull down problem that can arise from 24 fps video being converted to 30 fps for viewing on TVs or monitors. By recovering the original 24 frame content, PureVideo allows for a clear crisper image.

Examining CPU Load with PureVideo

To test PureVideo's High Definition accelerating capabilities on the Biostar Sigma-Gate GeForce 7600GS, we'll playback a video downloaded from Microsoft's WMV HD Content Showcase through Windows Media Player 10. "The Discoverers" (IMAX) video is available in both 720P and 1080P formats. AMD processor utilization will be monitored via Task Manager.

The 720P version of the Discoverers video uses between 20-25% CPU usage which frees up a lot of system resources for other background tasks.

Surprisingly running the 1080P version of the Discoverers video uses less system resources than the 720P version! CPU usage jumped between 18-23% which is very low. Now we'll get our hands dirty overclocking the Biostar Sigma-Gate GeForce 7600GS videocard with the Sigma-Gate and V-Ranger overclocking utilities....

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Contents of Article: BIOSTAR Sigma-Gate GeForce 7600GS
 Pg 1.  Biostar Sigma-Gate GeForce 7600GS V7603GS-21 Videocard Review
 Pg 2.  — nVIDIA PureVideo and High Definition Content
 Pg 3.  Biostar Simga-Gate and V-Ranger Overclocking Software
 Pg 4.  Voltage based Geforce 7600 and VGA RAM Overclocking
 Pg 5.  Videocard Benchmarks: 3DMark05, 3DMark06
 Pg 6.  Videocard Benchmarks: FarCry
 Pg 7.  Videocard Benchmarks: Splinter Cell: Chaos Theory
 Pg 8.  Videocard Benchmarks: Doom 3
 Pg 9.  Videocard Benchmarks: Quake 4
 Pg 10.  Videocard Benchmarks: FEAR
 Pg 11.  Advanced Videocard Benchmarks: FarCry, Doom 3, FEAR
 Pg 12.  Dawn of a New Overclocking Era

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