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eVGA e-GeForce 6800GT Review - Page 3 of 6

OVERCLOCKING
Overclocking provided stable frequencies of 410MHz/1.1GHz with no signs of artifacts or overheating.  To test initially for excessive temperatures and other graphic problems I used the synthetic benchmarks 3DMark2003 and AquaMark3.  I closely monitored temperatures and found running 3DMark2003 in one instance, generated the maximum temperature of almost 90C.  Temperature at idle fluctuated between 58 and 61C.  Playing games rarely exceeded 84C with the norm being around 77C for the average.  While I experienced no artifacts or other graphical deterioration while using overclocked timings in game play during this review, approaching 90C in a synthetic benchmark is of concern.  I intend to try to find a more efficient cooling solution for this card after this review.  It should be noted that temperatures never exceeded 84C while gaming with default clock frequencies.

While overclocking enhanced performance in Call of Duty, at high resolution and settings, cpu limited games such as UT2004 proved the A64 3000+ to be a bottleneck. This resulted in overclocking the 6800 GT of little or no benefit over default clock frequencies.

CALL OF DUTY
We will begin this review's tests with CoD which maintains high popularity among gamers. The benchmarks used are nV News' Dawnville and POW Camp recorded demo maps. Resolutions used were 1024x768, 1280x1024, and 1600x1200. Antialiasing and anisotropic filtering settings were in combinations of No AA / AF, 4x AA / 8x AF, and 8XS AA / 16AF. Each resolution and AA/AF setting is identified in the result tables along with whether the eVGA 6800 GT was overclocked (410/1.1) or set at default timings of 350/1.0 for the particular benchmark. For comparison the X800Pro was run through the same resolution and settings.  No overclock results were provided for the X800Pro and default settings of 475/900 were maintained. 

nV News' custom demos from the Dawnville and POW Camp maps were used to test performance of the eVGA 6800 GT.  The ATI X800 Pro was used for comparison of performance.  Note that all in-game graphics and performance settings were configured to their highest quality. Sound was set to Miles Fast 2D Positional Audio at 44khz.

Call of Duty Results

AMD Athlon 64 3000+
 

Dawnville Demo
6800GT

No AA/AF

4X AA/8X AF

  350/1.0 410/1.1 350/1.0 410/1.1
1024x768 177.2 176.1 174.8 174.7
1280x1024 176.5 176.0 166.2 168.6
1600x1200 170.5 171.7 149.3 156.8
 
X800 PRO

No AA/AF

4X AA/8X AF

1024x768 154.5 155.0
1280x1024 153.0 152.4
1600x1200 146.2 147.6
 
6800GT

No AA/AF

4X AA/8X AF

  350/1.0 410/1.1 350/1.0 410/1.1
1024x768 120.1 120.3 118.9 121.2
1280x1024 119.7 119.9 118.1 119.3
1600x1200 108.6 112.9 85.6 94.3
 
X800 PRO

No AA/AF

4X AA/8X AF

1024x768 104.2 104.1
1280x1024 103.6 103.7
1600x1200 101.5 101.4

CoD provided very little stress on the eVGA 6800 GT as evident by the results.  No more sub 40 frame rates here, even at the highest resolutions used.  Actual game play was excellent even at the highest settings of 8XS AA / 16X AF with resolutions up to 1600x1200.  X800Pro makes a good comeback at 1600x1200 with antialiasing and anisotropic filtering on.  In fact, application of AA/AF had little affect on the X800Pro performance.  Going to AA/AF gave just an average of 0.1 frame rate per second drop on the average of three runs of the POWcamp demo.  The 6800 GT lost 13 FPS or almost 8% going from no AA/AF to 4x AA / 8x AF, at 1600x1200, on the average through three runs.

Overclocking gave an increase of 4.3 FPS average at 1600x1200, no AA/AF, while applying AA/AF gave 8.7 average FPS increase over default settings on the 6800 GT.  With these results it is evident that overclocking is of no real benefit on my system with such high frame rates as produced by the 6800 GT.

Next Page: Far Cry

Last Updated on August 10, 2004


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