Author: HQH
Released: August 6, 2004
Updated: August 19, 2004
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Due to excessive time requirements to gather numbers for each resolution and two AA configurations and ATI AIW Radeon 9800 Pro's
performance based on my Catalyst 4.7 results, I decided to pick one resolution and work with it. I chosen 800x600 since it at least
makes the CPU and video card work in somewhat balanced condition without being bounded too much from either devices. 640x480 is CPU
bounded. Taking a look at the 640x480 plot on the previous page shows that enabling 2xAA on Baseline default configuration provides
barely no performance hit with low and medium qualities. As for 1024x768 and 1280x1024 resolutions are video card bounded. Taking a
look at either plots will show that performance increments when overlocking the video card and/or CPU shows less improvements at
each image quality selection in Doom 3 than that of 800x600 results.
Legend/key:
Baseline default = P4 at stock speed (2.4 GHz), RAM timing at 2-7-3-3, no video card overclocking
3 GHz + RAM speed = P4 overclocked to 3.0 GHz with FSB at 250 MHz, RAM timing at 2-5-3-2, RAM at 200 MHz, no video card
overclocking
Max OC = Maximum overclocking allowable without any voltage increases and use of stock air cooling and without any
stability/artifact problems. P4 overclocked to 3.08 GHz with FSB at 256.6 MHz, RAM timing at 2-5-3-2, RAM at 205 MHz, video card
overclocked with core at 400.5 MHz, memory: 353.25 MHz
FPS numbers and bigger graphs ported over from Excel here.
With Catalyst 4.8 driver installed, my Doom 3 performance has improved over Catalyst 4.7 driver. Two pages from here will
compare how much of an improvement over Catalyst 4.7 when using later released drivers from ATI.
Catalyst 4.9b Results
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