Intel pentium 4 2.8 Ghz 1 MB L2 Cache LGA 775
256 MB x 2 (512 MB) DDR PC-3200
Motherboard INTEL D915GAV
430 Watt Power Supply Unit
Windows XP SP2, DirectX 9.0c
Long days ago, I use my onboard VGA (Does'nt have problems),
then I buy HIS X550 128MB, still doesn't hav any prob...
Then I buy HIS HD 2600XT 256MB GDDR3 IceQ one weeks ago...
I formatted my harddisk and reinstall WinXP when I attach this new cards...
Let's talk about this game: Audition Online Dance Battle...
First, I don't change any settings in Catalyst CC (Balanced settings)
By default, this game doesn't apply AA and AF, but with VSync enabled in 800x600 16 Bit, 85 Hz...
In six players play, 68 FPS OVERALL PERFORMANCE (AA and AF Disabled)
Then I go to catalyst, apply 8x AA and 16x AF... I see the image is very smooth here...
66 FPS OVERALL PERFORMANCE
2 FPS Differents, how could it be???
And I COMPARE it with my old HIS X550 128MB Cards...
85 FPS (AA and AF Disabled)
43 FPS (8x AA and 16x AF)
I didn't believe that...
Without AA and AF, X550 WINS!!! (400 Mhz GPU Clock and 500 Mhz Memory Clock)
This HD 2600XT card have 830Mhz GPU Core Clock and 960Mhz (1.92 Ghz DDR) Memory Clock (Based on Brochure)...
Do U want to know the specs both of this card?
HD 2600XT: http://www.hisdigital.com/html/product_sp.php?id=314
X550: http://www.hisdigital.com/html/product_sp.php?id=231
Then I turned on ATI Tray Tools: http://downloads.guru3d.com/download.php?det=733
This is the benchmark results:


PLEASE LOOK AT MY GPU AND MEMORY CLOCK: 13.50 MHZ BOTH OF THEM!!!
AND WITH QUALITY SETTING ENABLED, IT HAVES BETTER PERFORMANCE!!!
OK! Let's go to another games... Ragnarok Online...
I don't know whether this is artifact or not, but when I turned into right angles, it looks like this:

Then another games... Counter Strike...
Plays Well within OpenGL Renderer, but when I change it into D3D Renderer...
4-10 FPS OVERALL PERFORMANCE (800x600 16 Bit, 85 Hz, AA and AF DISABLED)
Then I try to overclocked it...
From 830/960 Mhz, I successfully overclocked it into 860/990 Mhz without noticeable rising temperatures...
But so DISAPPOINTED, and NONSENSE...
Audition: 68 FPS (Default) comes to 62 FPS (Overclocked)...
I think there is some problems with Direct3D renderer, or maybe my power supply doesn't meet the requirements?
Can anyone solves this problems? T_T
Thank You for your attention ^^
Hiron