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ATI Radeon X1800 GTO 256MB Preview
Half-Life 2
 Our Half-Life 2 benchmark consists of a timedemo we recorded in the canals level (map d1_canals06). In this timedemo Gordon is in a boat and emerges from an enclosed area into a canal. He maneuvers through several obstacles and eventually comes across some enemies. Some Combine dropships fly by overhead and a couple of Combine soldiers on the ground fire their weapons. There is a lot of water in this scene. All of the in-game graphical settings were set to high. The "Reflections" drop down menu was set to "Reflect All." The "HDR" drop-down menu was set to "None." Anti-Aliasing and Anisotropic Filtering were controlled through a batch file which changes the in-game settings. After the batch has finished running, the average frames per second for each test is output to a file. For each test, the timedemo was run three times and the results were averaged.
Half-Life 2 @ 1024 x 768
(Show All Graphs)
98
98
95
95
0
FPS
120
98
94
93
70
0
FPS
120
Half-Life 2 @ 1600 x 1200
(Show All Graphs)
96
89
82
65
0
FPS
120
90
69
64
39
0
FPS
120
Half-Life 2 @ 2048 x 1536
(Show All Graphs)
87
76
61
44
0
FPS
120
74
44
36
21
0
FPS
120
In Half-Life 2 we see the X1800 GTO performing quite well. Considering that the 7800 GT costs upwards of $50 more than the GTO, I'm impressed with how well it keeps up, although I suspect prices are about to drop on the 7800 GT with the launch of the 7900 GT. Regardless, the card delivers enough performance for enjoyable gameplay up until you hit 2048x1536 and turn up the AA/AF setting. Of course, at such a high resolution, you don't even really need AA, and AF alone shouldn't be a huge performance hit. The X1800 GTO performs much better, as expected, than the X1600 XT at every setting beyond 1024x768 with 4xAA/8xAF. The X1800 XT blows everything away, as it should with more pipelines and much higher clock speeds. I'm interested to see the difference between the X1800 XL (comes in under the XT) and the X1800 GTO if I can get my hands on one for testing.
Page 1: Introduction
Page 2: The Card Page 3: Test Setup Page 4: Benchmarks: Half-Life 2 Page 5: Benchmarks: Quake 4 Page 6: Benchmarks: Chronicles of Riddick: Escape from Butcher Bay Page 7: Closing Thoughts 
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