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LH ADS #2
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Center AD #2
HIS X850XT IceQ II Turbo HIS X850XT IceQ II Turbo: The #2 VPU from ATI is packaged into an offering from HIS. How will it fare against the X850XT-PE?
Date: April 25, 2005
Manufacturer: HIS
Written By: Brook Moore

Doom 3

This game is not only intense, it is mouth dropping beautiful when using a card that can render it properly at high resolutions.

Minimum
Maximum
Average
HIS X850XT @ 1280, 4xAA, 8AF
19
62
54.29
X850XT PE @ 1280, 4xAA, 8AF
26
62
54.66
HIS X850XT @ 1600, 0xAA, 0xAF
32
61
55.23
X850XT PE @ 1600, 0xAA, 0xAF
35
62
56.78

Although it would be near impossible for you to recreate my exact sample, it does assist us in getting a real life look into how well (or not) the X850XT performs. As you can see, even though our average frame rate is at the 60 mark, there are several dips throughout the 2 minute run, dropping into the 30's at 1600x1200 resolution.

Image Quality

The ability to play D3 at 1280x1024 using HQ while maintaining high frame rates is exhilarating. Not that the story got any better, just the physical aspects of being able to avoid shots and play to your ability, not the inability of the card you are using.

0xAA, 0xAF left, 4xAA, 8xAF right

Half-Life 2

HL2 is nothing short of abusive on this particular level, even to these high end cards. Interesting enough, AA / AF does not affect frame rate in HL2 overly much.

Minimum
Maximum
Average
HIS X850XT @ 1280, 4xAA, 8AF
17
66
37.86
X850XT PE @ 1280, 4xAA, 8AF
18
75
37.02
HIS X850XT @ 1600, 0xAA, 0xAF
19
58
30.58
X850XT PE @ 1600, 0xAA, 0xAF
19
78
38.82

We get several hits, and for lengthy periods below 60 FPS, in fact the X850XT doesn't even make it past 60 FPS. The good news here is this is at 1280x1024 and 1600x1200, if you play at 1024x768 you should be floating in the 60 FPS heaven without a tweak and with AntiAliasing/Anisotropic filtering. Of course this is one of the most intense levels in the game and 1280x1024 will be more playable in the more forgiving levels.

Image Quality

The latest addition to the VL review list is not only pretty, it's the one game that makes the X850XT cringe, albeit not the entire time (as my midrange card would do), but noticeable hiccups and stutters can be seen. This one might be better played in the 1024x768 realm if you want all the graphics turned on, and with HL2, you would be crazy not to want to turn them on.

0xAA, 0xAF left, 4xAA, 8xAF right

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