CodeCreatures	Source: CodeCult

CodeCreatures requires a fully compatible DirectX 8 videocard, preferably with 128 MB of RAM to store textures. it utilizes vertex as well as pixel shaders to run its tests.

CodeCreatures
1024x768:	FPS	Ranking
MSI RX800XT-VTD256E	90.2
Gigabyte GV-RX80L256V	77.1
PowerColor X700 Pro	59.4
PowerColor Bravo X700	47
MSI NX6800GT-T2D256E	79.1
Albatron Trinity PC6600	36.9
Albatron Trinity PC6600U	46.9
Asus Extreme N6600TOP/TD/128M/A	49.6
MSI NX6600GT-TD128 AGP	53.3
Gigabyte GV-3D1 (Single GPU Mode 500/1120)	58.7
Gigabyte GV-3D1 (SLI Mode 500/1120)	87
MSI NX6600GT-TD128E (Single)	56.8
MSI NX6600GT-TD128E (SLI Mode)	84.6
ATi Radeon X800 XL	76
ATi Radeon X800 XL (441/1113)	81.8
1280x1024:	FPS	Ranking
MSI RX800XT-VTD256E	77.2
Gigabyte GV-RX80L256V	65.6
PowerColor X700 Pro	44.5
PowerColor Bravo X700	35.2
MSI NX6800GT-T2D256E	67.9
Albatron Trinity PC6600	28.8
Albatron Trinity PC6600U	37.7
Asus Extreme N6600TOP/TD/128M/A	40.4
MSI NX6600GT-TD128 AGP	43.4
Gigabyte GV-3D1 (Single GPU Mode 500/1120)	48
Gigabyte GV-3D1 (SLI Mode 500/1120)	72.3
MSI NX6600GT-TD128E (Single)	46.2
MSI NX6600GT-TD128E (SLI Mode)	68.8
ATi Radeon X800 XL	65.6
ATi Radeon X800 XL (441/1113)	70.8
1600x1200:	FPS	Ranking
MSI RX800XT-VTD256E	63.8
Gigabyte GV-RX80L256V	54.8
PowerColor X700 Pro	32.2
PowerColor Bravo X700	25.8
MSI NX6800GT-T2D256E	57.6
Albatron Trinity PC6600	22.5
Albatron Trinity PC6600U	30.6
Asus Extreme N6600TOP/TD/128M/A	33.1
MSI NX6600GT-TD128 AGP	35.4
Gigabyte GV-3D1 (Single GPU Mode 500/1120)	39.2
Gigabyte GV-3D1 (SLI Mode 500/1120)	60.7
MSI NX6600GT-TD128E (Single)	37.7
MSI NX6600GT-TD128E (SLI Mode)	59
ATi Radeon X800 XL	55
ATi Radeon X800 XL (441/1113)	60

At stock speeds the ATI Radeon X800 XL performs very well in CodeCreatures, and when overclocked it is able to take on the higher end X800 XT.