Futuremark 3DMark05 1.2.0	Source: FutureMark

3DMark05 is best suited for the latest generation of DirectX9.0 graphics cards. It is the first benchmark to require a DirectX9.0 compliant hardware with support for Pixel Shaders 2.0 or higher! By combining high quality 3D tests, CPU tests, feature tests, image quality tools, and much more, 3DMark05 is a premium benchmark for evaluating the latest generation of gaming hardware.

FutureMark 3DMark05 1.2.0
Overall:	Points	Ranking
ASRock AM2V890-VSTA (K8T890 200/800 A64 5000+)	7896
Albatron KM51PV-AM2 (GF6150 200/800 A64 5000+)	7908
MSI K9N SLI Platinum (NF 570 SLI 200/800 A64 5000+)	7866
Asus M2-CROSSHAIR (NF 590 SLI 200/800 A64 5000+)	7859
ECS PN2 SLI2+ (NF 680i SLI 266/800 Core 2 Duo GeForce 7800GTX Single)	8086
ECS PN2 SLI2+ (NF 680i SLI 266/800 Core 2 Duo GeForce 7800GTX SLI)	13142
Asus P5N32-SLI Premium (NF 590 SLI 266/800 Core 2 Duo GeForce 7800GTX Single)	8104
Asus P5N32-SLI Premium (NF 590 SLI 266/800 Core 2 Duo GeForce 7800GTX SLI)	13092
Foxconn 975X7AB-8EKRS2H (975X 266/800 Core 2 Duo)	8015
MSI 975X Platinum (975X 266/800 Core 2 Duo)	8036
Biostar TForce P965 Deluxe (P965 266/800 Core 2 Duo)	8021
Gigabyte GA-965P-DS3 (P965 266/800 Core 2 Duo)	8046
Foxconn P9657AA-8KS2H (P965 266/800 Core 2 Duo)	8034
MSI P965 Platinum (P965 266/800 Core 2 Duo)	8027
Gigabyte 965P-DQ6 (P965 266/800 Core 2 Duo)	8037
Gigabyte GA-P35-DQ6 (P35 266/1066 Core 2 Duo)	8026
CPU:	Points	Ranking
ASRock AM2V890-VSTA (K8T890 200/800 A64 5000+)	6621
Albatron KM51PV-AM2 (GF6150 200/800 A64 5000+)	6718
MSI K9N SLI Platinum (NF 570 SLI 200/800 A64 5000+)	6513
Asus M2-CROSSHAIR (NF 590 SLI 200/800 A64 5000+)	6876
ECS PN2 SLI2+ (NF 680i SLI 266/800 Core 2 Duo GeForce 7800GTX Single)	9437
ECS PN2 SLI2+ (NF 680i SLI 266/800 Core 2 Duo GeForce 7800GTX SLI)	9385
Asus P5N32-SLI Premium (NF 590 SLI 266/800 Core 2 Duo GeForce 7800GTX Single)	8618
Asus P5N32-SLI Premium (NF 590 SLI 266/800 Core 2 Duo GeForce 7800GTX SLI)	8589
Foxconn 975X7AB-8EKRS2H (975X 266/800 Core 2 Duo)	9525
MSI 975X Platinum (975X 266/800 Core 2 Duo)	9621
Biostar TForce P965 Deluxe (P965 266/800 Core 2 Duo)	9499
Gigabyte GA-965P-DS3 (P965 266/800 Core 2 Duo)	9844
Foxconn P9657AA-8KS2H (P965 266/800 Core 2 Duo)	9726
MSI P965 Platinum (P965 266/800 Core 2 Duo)	9712
Gigabyte 965P-DQ6 (P965 266/800 Core 2 Duo)	9655
Gigabyte GA-P35-DQ6 (P35 266/1066 Core 2 Duo)	10205

3DMark05's overall score is still mainly videocard limited but we see a nice boost in the CPU score from the Gigabyte GA-P35-DQ6. Looks like the Intel Core 2 Duo E6600 is a bit bandwidth limited when running memory at DDR2-800 speeds.

Futuremark 3DMark06 1.0.2	Source: FutureMark

3DMark06 is the worldwide standard in advanced 3D game performance benchmarking. A fundamental tool for every company in the PC industry as well as PC users and gamers, 3DMark06 uses advanced real-time 3D game workloads to measure PC performance using a suite of DirectX 9 3D graphics tests, CPU tests, and 3D feature tests. 3DMark06 tests include all new HDR/SM3.0 graphics tests, SM2.0 graphics tests, AI and physics driven single and multiple cores or processor CPU tests and a collection of comprehensive feature tests to reliably measure next generation gaming performance today.

Futuremark 3DMark06 1.0.2
Overall:	Points	Ranking
ASRock AM2V890-VSTA (K8T890 200/800 A64 5000+)	4442
Albatron KM51PV-AM2 (GF6150 200/800 A64 5000+)	4450
MSI K9N SLI Platinum (NF 570 SLI 200/800 A64 5000+)	4437
Asus M2-CROSSHAIR (NF 590 SLI 200/800 A64 5000+)	4446
ECS PN2 SLI2+ (NF 680i SLI 266/800 Core 2 Duo GeForce 7800GTX Single)	4494
ECS PN2 SLI2+ (NF 680i SLI 266/800 Core 2 Duo GeForce 7800GTX SLI)	7525
Asus P5N32-SLI Premium (NF 590 SLI 266/800 Core 2 Duo GeForce 7800GTX Single)	4490
Asus P5N32-SLI Premium (NF 590 SLI 266/800 Core 2 Duo GeForce 7800GTX SLI)	7522
Foxconn 975X7AB-8EKRS2H (975X 266/800 Core 2 Duo)	4496
MSI 975X Platinum (975X 266/800 Core 2 Duo)	4487
Biostar TForce P965 Deluxe (P965 266/800 Core 2 Duo)	4494
Gigabyte GA-965P-DS3 (P965 266/800 Core 2 Duo)	4488
Foxconn P9657AA-8KS2H (P965 266/800 Core 2 Duo)	4462
MSI P965 Platinum (P965 266/800 Core 2 Duo)	4465
Gigabyte 965P-DQ6 (P965 266/800 Core 2 Duo)	4457
Gigabyte GA-P35-DQ6 (P35 266/1066 Core 2 Duo)	4479
CPU:	Points	Ranking
ASRock AM2V890-VSTA (K8T890 200/800 A64 5000+)	1960
Albatron KM51PV-AM2 (GF6150 200/800 A64 5000+)	1971
MSI K9N SLI Platinum (NF 570 SLI 200/800 A64 5000+)	1936
Asus M2-CROSSHAIR (NF 590 SLI 200/800 A64 5000+)	1959
ECS PN2 SLI2+ (NF 680i SLI 266/800 Core 2 Duo GeForce 7800GTX Single)	2096
ECS PN2 SLI2+ (NF 680i SLI 266/800 Core 2 Duo GeForce 7800GTX SLI)	2073
Asus P5N32-SLI Premium (NF 590 SLI 266/800 Core 2 Duo GeForce 7800GTX Single)	2101
Asus P5N32-SLI Premium (NF 590 SLI 266/800 Core 2 Duo GeForce 7800GTX SLI)	2080
Foxconn 975X7AB-8EKRS2H (975X 266/800 Core 2 Duo)	2099
MSI 975X Platinum (975X 266/800 Core 2 Duo)	2096
Biostar TForce P965 Deluxe (P965 266/800 Core 2 Duo)	2130
Gigabyte GA-965P-DS3 (P965 266/800 Core 2 Duo)	2094
Foxconn P9657AA-8KS2H (P965 266/800 Core 2 Duo)	2110
MSI P965 Platinum (P965 266/800 Core 2 Duo)	2112
Gigabyte 965P-DQ6 (P965 266/800 Core 2 Duo)	2099
Gigabyte GA-P35-DQ6 (P35 266/1066 Core 2 Duo)	2224

Here in 3DMark06 the overall score is about the same as the other motherboards. There is a nice performance boost in the CPU portion of this test. Looks like the Intel P35 Express does provide more performance than the older Intel P965 Express mainstream chipset.