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Review: ATi Radeon X800 XT PCIe
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Benchmark
Scores
The test option of High Quality represents
scores with both 4x AA and 8x AF enabled.
Lock
On: Modern Air Combat was tested using the MiG-29 Intercept
demo. In-game settings were at their highest options, except
for several features such as water and heat bltr which were
set to low and turned off. The demo was run for three minutes
and scores were recorded using Fraps.
LOMAC scales well with graphics
options and resolution changes, displaying a roughly 20% frame
rate loss from 4x AA and slightly over 30% for 8x AF; neither
feature allows for playable frame rates at 1600x1200 however.
With both features combined, the simulation is barely playable
at 1024x768.
Microsoft’s Flight
Simulator 2004 was tested using SimHQ’s in-house
dusk flight over the city of Hong Kong, with an external camera
view set behind the plane. Frame rate recording is stopped
once the plane lands. MS2004 was configured with ultra
high settings across its four hardware panels.
Another simulation that scales with
changes to the graphics sub-system, FS2004 incurs a
much sharper performance hit from anisotropic filtering than
from anti-aliasing in SimHQ’s test flight video. 4x AA
drops the frame rate by 20-30% across the tested resolutions,
while 8x AF performance is closer to 40-50% lower than the
baseline scores. And High quality isn’t a viable option
at any of the tested resolutions with the title’s in-game
options configured with ultra high settings, except for perhaps
1024x768.
IL-2:
Forgotten Battles - Aces Expansion Pack represents
SimHQ’s non-modern flight simulation test. Using OpenGL,
the landscape option was set to perfect and all other graphics
options were at their highest settings. Testing consisted
of using the Black Death track.
IL2: FB AEP takes the least
performance hit from anti-aliasing among the flight simulations
tested for this review, losing less than 10% at 1024x768,
roughly 15% at 1280x960, and increasing to almost 20% at 1600x1200.
As in the past, the simulation incurs a much sharper loss
from anisotropic filtering, with frame rates dropping by around
30-50% across the resolutions and leaving the game unplayable
at 1600x1200. And as with the above titles, high quality isn’t
a viable option at the higher resolutions.
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