ASRock 775Dual-VSTA: Does DDR2 matter?
by Gary Key on August 8, 2006 6:35 AM EST- Posted in
- Motherboards
System Configuration
Our memory benchmark system uses the following components:
Our test system represents a blend of performance and pricing requirements for a budget Core 2 Duo system. While the choice and wattage of the power supply could be varied to less expensive alternatives we believe having a high quality power supply is critical for system stability and overclocking potential. The performance of the Seagate 320GB drive is near the top of the performance charts while offering excellent capacity for a cost of around $95. If you are upgrading your hard drive with the rest of the system this drive should be at the top of your list. Our EVGA 7600GS video card choice represents a very good mid-range alternative and ensures you have respectable game performance at resolutions under 1280x1024 for less than $130.
Our board is the ASRock 775Dual-VSTA that features the VIA PT880 Pro Northbridge and VT8237A Southbridge with VRM and BIOS updates that now fully support Core 2 Duo. The ASRock 775Dual-VSTA is a very unusual board considering all of the available upgrade options and is available at a low entry price of $55.
The board is laid out nicely and certainly caters to those who value IDE and PCI devices. The VT8237A only supports two SATA 1.5Gbps drives but the board does support four IDE devices. The overall feature set of the VIA chipset is the same as the Biostar PT880 Pro board we reviewed a few months back.
Our memory benchmark system uses the following components:
| Performance Test Configuration | |
| Processor: | Intel Core 2 Duo E6300 (Dual core 1.86GHz 2MB Unified Cache) |
| RAM: | 2 x 512MB Patriot DDR-400 2 x 512MB Transcend JetRam DDR2-667 |
| Hard Drive: | Seagate 320GB 7200.10 (16MB Buffer) |
| System Platform Drivers: | VIA 5.09a |
| Video Card: | 1 x EVGA 7600GS PCI-E - All Standard Tests |
| Video Drivers: | NVIDIA 91.31 |
| CPU Cooling: | Stock Intel Heatsink |
| Power Supply: | OCZ PowerStream 520W |
| Motherboards: | ASRock 775Dual-VSTA (VIA PT880Pro) |
| Operating System: | Windows XP Professional SP2 |
| BIOS: | AMI 1.50 |
Our test system represents a blend of performance and pricing requirements for a budget Core 2 Duo system. While the choice and wattage of the power supply could be varied to less expensive alternatives we believe having a high quality power supply is critical for system stability and overclocking potential. The performance of the Seagate 320GB drive is near the top of the performance charts while offering excellent capacity for a cost of around $95. If you are upgrading your hard drive with the rest of the system this drive should be at the top of your list. Our EVGA 7600GS video card choice represents a very good mid-range alternative and ensures you have respectable game performance at resolutions under 1280x1024 for less than $130.
Our board is the ASRock 775Dual-VSTA that features the VIA PT880 Pro Northbridge and VT8237A Southbridge with VRM and BIOS updates that now fully support Core 2 Duo. The ASRock 775Dual-VSTA is a very unusual board considering all of the available upgrade options and is available at a low entry price of $55.
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| Click to enlarge |
The board is laid out nicely and certainly caters to those who value IDE and PCI devices. The VT8237A only supports two SATA 1.5Gbps drives but the board does support four IDE devices. The overall feature set of the VIA chipset is the same as the Biostar PT880 Pro board we reviewed a few months back.
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Sunrise089 - Wednesday, August 9, 2006 - link
From the link you provided:"The 4MB L2 cache can increase performance by as much as 10% in some situations. Such a performance improvement is definitely tangible, and as applications grow larger in their working data sets then the advantage of a larger cache will only become more visible. "
Also keep in mind a 3.5% average is much like claiming a new GPU is unnecessary because it only effect's your computing experience 10% of the time. If it's effects are highly pronoumced during those times it could still be worthwhile. The 4meg parts have a 10% inprovement in some apps and games, and that is a pretty big deal.
Paladin165 - Wednesday, August 9, 2006 - link
cmon man, get real. I would never buy a new GPU if it only offered a 10% increase. Also, the big increases are in DIVX compression, itunes, content creation, etc. Most of the game benchmarks are around 1%. In fact the 5% oblivion dungeon benchmark is a little hard for me to beleive, as oblivion shows virtually no gain from extra cache in other tests (http://www.anandtech.com/cpuchipsets/showdoc.aspx?...">http://www.anandtech.com/cpuchipsets/showdoc.aspx?.... The only game that shows a substaintial increase is Quake at 6.7%.The situation is in fact the opposite of a GPU. The GPU increases your performance during the "10% of the time" when it counts, during games. The extra cache on the Conroe seems to increase performance when it doesn't count.
For the record, I agree with you about AMD carrying the better budget offerings at present. Intel has only the ASrock board to offer the budget gamer, which comes with some big sacrafices (lack of overclocking, 4XPCI-E). However, I am buying this board so that I can afford a better core 2 processor (6400 or 6600), which I will put in a better budget motherboard in a few months. I figure I'm basically "renting" this motherboard for 6 months or so. So I think going with budget conroe offers a much better upgrade path. Once we have cheap boards that can overclock the 6300/6400 30-40% (which should happen in only a month or two) your argument will be obselete because the overclocked Allendales absolutely crush the X2 chips.
Sunrise089 - Wednesday, August 9, 2006 - link
"Once we have cheap boards that can overclock the 6300/6400 30-40% (which should happen in only a month or two) your argument will be obselete because the overclocked Allendales absolutely crush the X2 chips."That's true, and I look forward to it. I just think AMD has spoiled me with the idea that there is very little reason to spend extra $$$ so long as I'm willing to work a bit and accept some risk. If Intel prices move a bit to make the same situation true, I will be happily enjoying my fast Conroe machine.
araczynski - Tuesday, August 8, 2006 - link
wow, thanks for a great article, something actually applicable to the real world ;)looking forward to the next parts. although I'm still going for an e6600 with a highly overclockable mobo (probably the asus pdxyzdeluxesomethingorother), its good to see things in perspective.
johnsonx - Tuesday, August 8, 2006 - link
I don't normally join the ranks of the review bashers (who of course mostly come out of the woodwork when Intel is reviewed favorably against AMD), but this review seems to have a fatal flaw.The stated purpose is to show what you do or don't gain by trading in your DDR memory when moving to a Core 2 Duo platform. The review compares DDR to DDR2 performance on the same platform, which at first glance seems reasonable. However, in the prior review of another mainboard based on the same PT880Pro chipset (the review linked at the bottom of page 3), your conclusion about that board states:
The charts in that review show that BOTH DDR and DDR2 performance was equally dismal.
Since the primary reason for purchasing this board is for DDR support, presumably no one who wants to upgrade to DDR2 would bother with it. Therefore any performance comparison of DDR to DDR2 on this board is pointless for the stated purpose of the article. It artificially cripples DDR2 performance, making DDR look quite good and even superior.
For a proper comparison, you need a reasonably priced competitor that doesn't suffer such low DDR2 performance; perhaps a P965Express board, or even a 945 board if any of those have Conroe support.
Gary Key - Wednesday, August 9, 2006 - link
Our comments were based on the performance at the time of review with an early but shipping bios revision that as it turns out had some memory timing issues. The latest bios (1.5) has altered the performance of this board to some degree although DDR2-667 performance is not where it should be. In some cases the performance differences are less than 5% now when using optimized DDR2-533 settings. While this board does not have the overclocking capability of the P965 boards we have tested to date, it still performs within reason at stock speeds.
You are correct. However, we did state (first page) that a full comparsion would be provided in our final article. While I wanted to post a P965 result in this article we had not received our "budget" P965 boards from Foxconn, Epox, ECS, or MSI yet (two are here now, other two next week). I felt like a comparison to a 965 board that will be in the $100 price range would be better than showing results against a $150~$225 P965 board. Also, ASRock had just provided a new bios update (memory compatibility) for the 945P and 945PL boards that we are still testing as of today. It appears at first glance our original memory performance issues with these boards have been solved also. It appears now that the VIA memory performance at DDR2-533 is within 5% of our better performing P965 boards. We will have a full comparison up next week and hopefully we can figure out a way to get DDR2-667 working at CAS3 in a stable manner (it works but we still have not completed a full round of testing without a failure, BF2 and Q4 seem the most sensitive to lockup but SuperPI passes, LOL).
I appreciate your comments and look forward to your thoughts on the final article.
NeverGuy - Thursday, August 10, 2006 - link
IS this board basically the same as the ASUS P5VDC-X that is selling for about the same price? Would the ASUS board have CPU voltage adjustment?Gary Key - Thursday, August 10, 2006 - link
Close to the same, the main difference is the Asus version does not support Core 2 Duo but does offer slightly better overclocking options.
johnsonx - Wednesday, August 9, 2006 - link
Yep, I didn't see that line. You have to admit though it's buried pretty deep in that paragraph. I still think THIS article would have been far more informative with 1 other value DDR2 comparison point. But the whole picture will be clear with the final article, so I'll just look forward to that.
On a side note, I'm quite interested in this series of articles, yet I have almost zero interest in actually buying any Core 2 products for myself or for customers. Aside from the occaisional high power 3D CAD box (for running ProE usually), I travel exclusively in the budget and low-midrange market. Intel hasn't had anything compelling for me there in years, and still doesn't. I guess Core 2 info is more interesting than AM2 info, even if I'm not going to buy it.
Calin - Wednesday, August 9, 2006 - link
In reviews here, I saw a tendency to use grand words for small feats. I won't consider the 10% this board is behind others "dismal performance" - so for very little money, you could get good performance - that is the thing every budget buyer wants.