nForce 590 SLI Intel Edition: NVIDIA prepares an Intel 975X Killer
by Gary Key on June 27, 2006 6:15 AM EST- Posted in
- CPUs
FSB Overclocking Results
Even though the board and the BIOS have not been optimized for overclocking yet, the results with our Pentium D 805 were impressive. The BIOS was hard locked at a 200FSB and we actually noticed this issue starting at the 197FSB setting. We have no doubt the board would have equaled the ASUS's 200FSB result with our retail chip had the BIOS been tuned for overclocking. The results on the Asus board were superb and with additional cooling and voltage settings we have booted this combination at 4.6GHz. Our retail chip was manufactured in February so it would not be too hard to imagine the current yields equaling or better this performance. At a soon to be $93 or lower retail cost, this has to be the bargain performance CPU of the year. If paired with the right video card, you can have a very enjoyable gaming experience for a small cash outlay.
Test Systems: Benchmark Setup
Both boards fully support all current socket 775 Intel processors. We are benchmarking with the Pentium D 805 processor but will follow up shortly with the Pentium 950D and 955XE once we receive our revised reference board and BIOS. The board fully supports Core 2 Duo processors although we cannot provide results at this time due to NDA restrictions.
A 2GB memory configuration is now standard in the AT test bed as most enthusiasts are currently purchasing this amount of memory. We chose memory from Corsair that would offer a wide range of memory settings during our stock and overclocked test runs. Our memory timings are set based upon determining the best memory bandwidth via MemTest86 and our test application results. All other components in our two test configurations are exactly the same with the boards being set up in their default configurations. Our video tests are run at 1280x1024 resolution at standard settings. We will not report on 1600x1200 4xAA/8xAF single and SLI results until we have a production ready board to review. This holds true for the balance of our Networking, Storage System, and Audio benchmarks.
Even though the board and the BIOS have not been optimized for overclocking yet, the results with our Pentium D 805 were impressive. The BIOS was hard locked at a 200FSB and we actually noticed this issue starting at the 197FSB setting. We have no doubt the board would have equaled the ASUS's 200FSB result with our retail chip had the BIOS been tuned for overclocking. The results on the Asus board were superb and with additional cooling and voltage settings we have booted this combination at 4.6GHz. Our retail chip was manufactured in February so it would not be too hard to imagine the current yields equaling or better this performance. At a soon to be $93 or lower retail cost, this has to be the bargain performance CPU of the year. If paired with the right video card, you can have a very enjoyable gaming experience for a small cash outlay.
Test Systems: Benchmark Setup
Both boards fully support all current socket 775 Intel processors. We are benchmarking with the Pentium D 805 processor but will follow up shortly with the Pentium 950D and 955XE once we receive our revised reference board and BIOS. The board fully supports Core 2 Duo processors although we cannot provide results at this time due to NDA restrictions.
| Test Systems | |
| Processor: | Intel Pentium D - 805 |
| RAM: | 2 x 1GB Corsair TWIN2X2048-6400C3 |
| RAM Settings: | 3-2-2-8 533MHZ (1:1 Ratio) , 2.250V |
| OS Hard Drive: | 1 x WD Raptor 74GB 7200 RPM SATA (8MB Buffer) |
| System Platform Drivers: | NVIDIA Platform Driver - 9.35 Intel Platform Driver - 8.0.1.1002 |
| Video Card: | 1 x EVGA 7900GTX (PCI Express) for all tests. |
| Video Drivers: | NVIDIA nForce 91.31 WHQL |
| Optical Drive: | BenQ DW1640 |
| Cooling: | Zalman CNPS9500 |
| Power Supply: | OCZ GamexStream 700W |
| Case: | Gigabyte 3D Aurora |
| Operating System: | Windows XP Professional SP2 |
| Motherboards: | NVIDIA nForce 590 SLI Intel Edition Asus P5WD2-E Premium |
A 2GB memory configuration is now standard in the AT test bed as most enthusiasts are currently purchasing this amount of memory. We chose memory from Corsair that would offer a wide range of memory settings during our stock and overclocked test runs. Our memory timings are set based upon determining the best memory bandwidth via MemTest86 and our test application results. All other components in our two test configurations are exactly the same with the boards being set up in their default configurations. Our video tests are run at 1280x1024 resolution at standard settings. We will not report on 1600x1200 4xAA/8xAF single and SLI results until we have a production ready board to review. This holds true for the balance of our Networking, Storage System, and Audio benchmarks.
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Frumious1 - Wednesday, June 28, 2006 - link
The problem is determining whether theres really a problem or the reviewers just need to learn how to use the motherboard and BIOS options properly. Wes, Gary, and most of the rest of the AnandTech crew seem to know how to really get results out of motherboards. I saw an article a few days ago that was an absolute joke when it comes to OCing. They took a 4200+ and were crowing about a 240 MHz HTT bus overclock or something. I don't think they ever even tried the other memory ratios.Anyway, registry corruption? Yeah, I've lost the registry a few times on Intel and AMD systems when pushing the OC a bit too far in the wrong way. Bad memory timings for an OC can be just as harmful as a bad CPU or chipset OC - probably even worse. OC'ing is not really that easy if you don't know what you're doing. Too many people want to just increase everything 25% and then tehy wonder why the system won't POST.
Someone on AT did some OCing articles last year about the topic that really provided some good details, showing 2.6 GHz or so with an X2 3800+ using everything from POS value RAM up through top quality TCCD and CH5 modules. Probably took a hell of a long time to complete all the testing as well! If you want to do a motherboard review right and you want to look at overclocking, you simply can't do that without spending a good month or more with the board. Sometimes a seemingly small change will stabilize what appeared to be a hopeless OC.
Bottom line: if you want SLI (and honestly, for dual GPUs it's far better than CrossFire right now - maybe not in performance, but the ATI CF drivers are still crap!) for Conroe, you'll need an nVidia chipset. Unless they suddenly get with the program and start supporting SLI on any dual X16 slot board? God, wouldn't that be nice? Stupid political bullshit... from nVidia and ATI!
Frumious1 - Wednesday, June 28, 2006 - link
Dammit... I did it again and used an H in brackets... which turns on white text for reasons unknown. Repost so people can read the text without highlighing:--------------
The problem is determining whether theres really a problem or the reviewers just need to learn how to use the motherboard and BIOS options properly. Wes, Gary, and most of the rest of the AnandTech crew seem to know how to really get results out of motherboards. I saw a HardOCP article a few days ago that was an absolute joke when it comes to OCing. They took a 4200+ and were crowing about a 240 MHz HTT bus overclock or something. I don't think they ever even tried the other memory ratios.
Anyway, registry corruption? Yeah, I've lost the registry a few times on Intel and AMD systems when pushing the OC a bit too far in the wrong way. Bad memory timings for an OC can be just as harmful as a bad CPU or chipset OC - probably even worse. OC'ing is not really that easy if you don't know what you're doing. Too many people want to just increase everything 25% and then tehy wonder why the system won't POST.
Someone on AT did some OCing articles last year about the topic that really provided some good details, showing 2.6 GHz or so with an X2 3800+ using everything from POS value RAM up through top quality TCCD and CH5 modules. Probably took a hell of a long time to complete all the testing as well! If you want to do a motherboard review right and you want to look at overclocking, you simply can't do that without spending a good month or more with the board. Sometimes a seemingly small change will stabilize what appeared to be a hopeless OC.
Bottom line: if you want SLI (and honestly, for dual GPUs it's far better than CrossFire right now - maybe not in performance, but the ATI CF drivers are still crap!) for Conroe, you'll need an nVidia chipset. Unless they suddenly get with the program and start supporting SLI on any dual X16 slot board? God, wouldn't that be nice? Stupid political bullshit... from nVidia and ATI!
Anemone - Wednesday, June 28, 2006 - link
You certainly make good points. However one review of "good" and many, many of "bad" doesn't lead me to think the "good" just knew what they were doing. In fact it's quite the opposite. It leads me to think they didn't dig deep enough.Gary Key - Friday, June 30, 2006 - link
I will take a different path on this one. We were allowed a first look at the board with Conroe back in early May, in fact if we could have stayed an extra day we would have had significant hands-on time with the setup. We were also one of the first sites to receive a board from NVIDIA for the specific purpose of testing the board to provide specific feedback regarding Conroe compatibility and performance. I easily have over 200 hours of test time on this board along with a couple of pages of issues/improvements/suggestions we would like to see before the design goes into production. As far as not digging deep enough, I doubt we would have had this early of an opportunity if it were not for our work (and that of several AT readers) with NVIDIA over the past several months in assisting them and the board suppliers to get their Intel performance up to speed. We are still very disappointed with the FSB overclocking results with the NVIDIA Intel designs but our initial board had no issue running up to 304FSB with an early Conroe sample. I am personally disappointed with the entire FSB issue since last fall as I had a couple of boards that easily did over 320FSB only to see this capability whacked when the product was released.
Yes, the board will use the nF4 SLI SPP for the "Northbridge" but it is now at a C1 stepping after several months of tuning due to the issues found last fall in the first release. Are we disappointed that we will not get the newer C51XE SPP, yes, but the time to develop it along with the switch to a single dual x16 chipset this winter made it impractical for NVIDIA at this time. The good news is the NV590SLI boards should cost around $150 at launch with a feature set that will not be matched by Intel or ATI along with using the new MCP55PXE so drive and network performance is greatly improved from a stability viewpoint.
We did not post the actual memory scores as we are waiting on a new board revision and production level bios before making any final statements on this subject and FSB overclocking. However, even with the 805D the base unbuffered Sandra scores were about 2% better than the i975x. When overclocked, this margin flipped in favor of the Intel board. The margin was even greater during our Conroe testing. I am still concerned with the FSB overclocking capability. I stated this at the end of the article, it is a concern and will remain a concern until we see production level boards. I think it will improve compared to today's products but I doubt we will see anything near what the i975x and now P965 chipsets will be capable of in the high end boards from Asus, DFI, Abit, MSI, and Gigabyte. However, getting over 300FSB is a requirement we have placed on NVIDIA at this time. It will be interesting to see if they can get there now.
We appreciate the comments and please keep them coming. Our final review on the reference board will be available shortly and we should have boards from DFI and Asus around Core 2 Duo launch time. However, we do not expect ATI review samples until sometime in August along with some interesting information about their design choice that will be discussed at that time.
mino - Tuesday, June 27, 2006 - link
Almost every p$ chipset capable of 10066 FSB since i865 tiems DOES support Conroes. Just crippled Intel 915/925 series do NOT bute even this is caused by intel marketing decision not the capability of chipset design on itself.What is most important is the board/VRM support. Otherwise every not-crippled chipset should work.
mino - Tuesday, June 27, 2006 - link
P4 meant :)mino - Tuesday, June 27, 2006 - link
hell, I should get some sleep apparently ;-\