nForce4 SLI Roundup: Painful and Rewarding
by Wesley Fink on February 28, 2005 7:00 AM EST- Posted in
- Motherboards
Standard Performance Test Configuration
If you are interested in more information comparing the LGA 775 Prescott, Athlon 64, P4, and P4EE, please see our indepth comparisons in the recent reviews:Intel Pentium 4 6xx and 3.73EE: Favoring Features Over Performance
Intel's Pentium 4 570J - Will 3.8GHz do the trick?
Pentium 4 3.46 Extreme Edition and 925XE: 1066MHz FSB Support is Here
AMD Athlon 64 4000+ & FX-55: A Thorough Investigation
Intel 925X: Exploring the Overclock Lock
Intel's 925X & LGA-775: Are Prescott 3.6 and PCI Express Graphics any Faster?
Intel 925X/915: Chipset Performance & DDR2
Socket 939 Chipsets: Motherboard Performance & PCI/AGP Locks
AMD Athlon 64 3800+ and FX-53: The First 939 CPUs
Intel's Pentium 4 E: Prescott Arrives with Luggage
| Performance Test Configuration | |
| Processor(s): | AMD Athlon 64 4000+ (2.4GHz) Socket 939 |
| RAM: | 2 x 512MB OCZ PC3200 Platinum Rev. 2 |
| Power Supply: | OCZ 520 watt PowerStream |
| Hard Drive(s): | Seagate 120GB 7200 RPM SATA (8MB Buffer) |
| Video AGP & IDE Bus Master Drivers: | nVidia nForce 6.39 |
| Video Cards: | nVidia 6800 Ultra (PCIe) 2 x nVidia 6800 Ultra (PCIe) SLI |
| Video Drivers: | nVidia nForce 71.80 |
| Operating System(s): | Windows XP Professional SP1 Direct X 9.0c |
| Motherboards: | Asus A8N-SLI Deluxe DFI LANParty nF4 SLI-DR Gigabyte K8NXP-SLI MSI K8N Neo4/SLI Platinum |
Tests used OCZ PC3200 Platinum Rev. 2, which uses Samsung TCCD chips. These same chips are available in memory modules from G. Skill, Corsair, Geil, Mushkin, PQI and others. Please refer to Athlon 64 Memory: Rewriting the Rules for more information on Athlon 64 memory performance.
At the present time, SLI is only supported by nVidia chipsets and video cards. All single and dual GPU benchmarks were run with a matched pair of nVidia 6800 Ultra reference cards, identified as Rev. A04. Other companies have demonstrated "SLI-like" dual video solutions or they have announced their intention to manufacture SLI-like solutions in the future.
All game benchmarks, both single video and SLI, were run in 1600x1200 video mode with 4X Anti-Aliasing and 8X Anisotropic filtering enabled. The exceptions are Aquamark 3, 3DMark 03, and 3DMark 05, which use a standardized 1024x768 setup to generate comparable benchmark results. These three benchmarks used standard mode, which generates a standardized score for comparison.
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fozzymatic - Tuesday, March 1, 2005 - link
"So, is SLI worth the cost and the effort? For some, the answer will be a definite no. The SLI boards still cost a great deal, setting up the system is still a daunting task, and the cost of two top-of-the-line video cards will be just too much for many to consider SLI to be a real option."I still do not understand why this argument is so popular. Why is the general assumption that purchasers of SLI capable boards will immediately want to jump into a dual-card config? The idea is flexibility. Sure, 2 6800's are expensive now, but they will inevitably get cheaper. So why not buy one now and then profit form your forward thinking later down the line when the price of a second card is cut in half and there are more SLI-supported games available. I concede that the mobos are 50$ more than a non-SLI board but, for 50$, I'll take the enhanced upgrade path. Out of the gate the SLI boards are the fastest single or double-card NF4 mobos available, so whats to lose?
justly - Monday, February 28, 2005 - link
Wesley, well done, although I have to admit I skipped over some of the pages describing the individual boards as I am not personnaly intrested in buying a SLI system.One thing about the bar graphs, it could have been a little easier to compare between a single card and SLI if you had used split bars like in this graph
http://images.anandtech.com/reviews/video/ATI/rade...
using the top half of the bar for single card and the bottom for duel cards.
It would also be nice to see a comparasion of disk controller, firewire and USB performance (and anything else that is chipset specific) using all the different brand chipsets.
I don't think you are the person that does power supply reviews, but with all the concerns recenty about power supplies it would also be nice to see an article that not only describes some of the differences in power supplies but what components draw power from what rails and how much they draw (I have seen power supply guides that give an idea of how many total watts is needed but very little information on how those watts are divided up between rails).
One last thing, I have a little problem with this statement "the ability of a motherboard to run at much higher than stock speeds tells you something about the quality of components used in a motherboard". If every motherboad had a perfect BIOS and they all had the same overclocking options then your statement could be true, but that is not the case. Would you call all Intel branded motherboards poor quality just because Intel doesn't put overclocking options in their motherboards BIOS? What if an OEM decided to use one of these great overclocking boards in a prebuilt system and the only change they made to the board was to eliminate the overclocking options from the BIOS, is that board now poor quality?
Viper4185 - Monday, February 28, 2005 - link
Well well well, seems you are right. The MSI nForce 4 Ultra board in Australia even has 1x PCI Express slot...http://www.msi.com.tw/program/products/mainboard/m...
Does anyone know which boards support Firewire 800 (1934b)?
Also to Wesley, thanks for the reply, do you have a rough idea when the nForce 4 Ultra comparison would be available?
falcc - Monday, February 28, 2005 - link
There seems to be different version of MSI's SLI boards depending on where you live. In Australia the SLI board is a MSI K8N Diamond. The interesting thing about this board is that it has two PCI Express x1 slots. as well as the two x16 slots for SLI. It also has a wlan option.falcc - Monday, February 28, 2005 - link
ChineseDemocracyGNR - Monday, February 28, 2005 - link
#43, I'm aware it needs a PHY, but I always thought it worked the same way as it did since the nForce3-250Gb, with no PCI-E involved.I checked out the manual for the MSI K8N Diamond and ASUS A8N-SLI, from them:
MSI
"Dual LAN
? Supports dual LAN jacks
- 1st LAN supports 10/100/1000 Fast Ethernet by nForce4 SLI
- 2nd PCI Express LAN supports 10/100/1000 Fast Ethernet by Marvell 88E8053"
ASUS
"nForce4 built-in Gbit MAC with external Marvell PHY :
- NV ActiveArmor
- NV Firewall
- AI NET2"
I couldn't find a reference that the chipset LAN is tied to PCI-E.
ajmiles - Monday, February 28, 2005 - link
Excellent, thanks Wesley. Every response I've had from now has been, quote:"With regards to the overclockability, it has AI Overclock, PEG link, and other options, the extent of the overclockability was not promised and unfortunately some customers expect amazing overclocking abilities when the 1T overclock is still a good feature and is overclocking in action."
Perhaps what you would expect them to say when their board clocks more than 60mhz lower than some competitors.
If you could keep me apprised of their response either here or at amiles(at)gmail.com that'd be great. Thanks again.
JoKeRr - Monday, February 28, 2005 - link
I really wish MSI could pump a bit more voltage for the ram, 2.85 is a bit low, especially considering the Asus is giving 3V and DFI is giving 4V!! Guess if u want to run your good old BH5 sticks at 250mhz 2-2-2-7, DFI will be the way to go. But I really liked the MSI mobo. o well, guess u can't have everything.JoKeRr - Monday, February 28, 2005 - link
Wesley Fink - Monday, February 28, 2005 - link
#6 & #56 - I saw the same behavior with the A8N-SLI Deluxe during our testing, and I shared my results with Asus. I forwarded your comments and my own to the Asus A8N-SLI BIOS and Engineering team.