can you use DDR2100 with 533Mhz bus?

[titan13]

I want to upgrade to a P4 2.4 Ghz (533Mhz) processor. Will my current DDR2100 266Mhz memory work? Which Motherboard is good choice (low cost, O/C potential, stability)? Will I experience a much performance loss with this combination (I play most UT 2003, Quake, etc.)? Thanks for any help.

 

[titan13]

Sorry, forgot to mention that I use a GeForce 3 for my gaming. I currently have a XP 1700+. Will I see much improvement in games with this upgrade? I'm also hoping to prepare for a video card upgrade later. Thanks.

 

[marneus]

Check the boards memory specs, if it says 266/333DDR or PC2100/PC2700/PC3000 then U should B fine as long as make sure the bios is setup right...

no-one shouts louder than someone who is being ignored, or in the case of techies, to be heard over the noise of their PC's ;-)

 

[Crashman]

All DDR boards support PC2100. For the P4 "533" bus CPU, that means your memory will be at the same clock speed as the CPU (DDR266 is 133MHz, QDR533 is 133MHz), but at half the bandwidth (because the P4 bus is QDR). The performance loss as compared to PC1066 RDRAM should be on the order of 15-20%, as compared to PC2700 around 10-15%

<i>(Edit)</i>
I'm going to reword that last sentence for clarity:
PC2100 at 15%-20% lower than PC1066
PC2100 at 10%-15% lower than PC2700
PC2700 at ~5% lower than PC1066 by implication.

Thanks to AMD man for pointing out my sloppy writing.

<font color=blue>You're posting in a forum with class. It may be third class, but it's still class!</font color=blue><P ID="edit"><FONT SIZE=-1><EM>Edited by Crashman on 10/19/02 03:51 PM.</EM></FONT></P>

 

[tilepusher]

Hey T,

You really should know, regardless of the Intel spec: "533 FSB", the FSB/CPU Bus is really only 133mhz. The way you get 533MHZ is by using RD-Ram(Rambus), which is "Quad-Pumped", or 133mhz X 4= 533mhz. 533mhz FSB is the Maximum supported Memory Bus Bandwidth, built into the CPU. If you use DDR, the fastest supported Memory Bus will be 333mhz, with the speed of your DDR, being the limiting factor.

Again 533mhz FSB really has no meaning in a Intel DDR chipset mobo. You can use any mhz of DDR..... but yes you will suffer a performance loss with PC2100.

As for which mobo? I would get a Asus, Abit or MSI mobo with the Intel 845PE chipset. I like the MSI's the best, but Asus & Abit are Tier 1 mobo makers(& should be the best made). Good Luck

Peace Out.............tile

god knows your entire system setup & he would answer your questions if he could just stop laughing

 

[AMD_Man]

Crashman, I will never understand where you get these numbers. That's theoretical RAM performance you're comparing, not real-world performance. PC2700 is no more than 5% slower than PC1066 in most apps home users would use. Even my dad, who uses AutoCAD 2000 on my P4 2.26GHz doesn't notice the difference in rendering performance whether I set my RAM to PC800 or PC1066.

Intelligence is not merely the wealth of knowledge but the sum of perception, wisdom, and knowledge.

 

[Crashman]

Recheck my numbers! IF PC2100 results in 20% lower performance that PC1066, BUT 15% slower than PC2700, that implies that PC2700 yields 5% lower performance than PC1066! Just like you said!

Or, if PC2100 yeilds 15% lower performance than PC1066, but 10% lower than PC2700, than PC2700 trails PC1066 by 5%, like you said!

You see, you aren't disagreeing with my original statement, just misunderstanding it.

<font color=blue>You're posting in a forum with class. It may be third class, but it's still class!</font color=blue>

 

[AMD_Man]

agh, I'm lost. It looked to me like you were saying PC2700 is 10%-15% slower than PC1066.

Intelligence is not merely the wealth of knowledge but the sum of perception, wisdom, and knowledge.

 

[Crashman]

Nah, just sloppy writing on my part, I added a description to the bottom.

<font color=blue>You're posting in a forum with class. It may be third class, but it's still class!</font color=blue>

 

[MeTaLrOcKeR]

Im willing to bet u will NOT notice a big difference in anything....

tell me, can ur eyes tell the difference from 240 FPS to 290 FPS ??? Jesus..

ur upgrade is pointless..unless its just to feel like u "have the best" but ur MUCH better off just buying a new faster AXP like a 2400+......

<A HREF="http://www.anandtech.com/mysystemrig.html?id=13597" target="_new">-MeTaL RoCkEr</A>

 

[chuck232]

Hmmm.. and why would he get a XP2400+ when they're rare and aren't as fast as the P4 2.4B, which cost less?...

...And all the King's horses and all the King's men couldn't put my computer back together again...

 

[titan13]

The upgrade to the Intel 2.4B with Albatron 845PE board is only $280 shipped (newegg). I thought this might make good sense to prepare for a video card upgrade in 4-6 months. I don't know if my XP 1700+ will be able to keep up with the next generation video cards.

However, I'm also concerned that my DDR 2100 RAM may hold back my 2.4 system. IS 2700 or RDRAM 1066 worth it?

 

[MeTaLrOcKeR]

2400+ is rare....but showing up more and more everyday...... P4 being faster?? not always in everything...generally use....noticeable to the user?? Not even close.......

Like i said......the extra cost for a new Board and CPU is HARDLY worht the upgrade whne u can spend less the HALF the money just for a new AXP cpu.......

as for ur 1700+....it wont hold u back......tell me...u cann be dissapointed in 230FPS over 290 ??? ull NEVER know..but again like i said....a newer faster athlon XP chip is MUCH more the worthwhile seeign how u can spend less than half the money than to buy a P4 cpu and board....AGP 8X is a waste of time and will most likely never be used.....AGP 4x is barely used and to this day any video card will not take a noticeable SIGNIFICANT decrease in performance from AGP 4x to AGP 2X even......and everyone knows it....so why blow moneyt into a whoel new platform when urs is still fine and still have upgrade potential where u dont ahvew to blow money around OR worry abotu gettign new ram...like i said....

<A HREF="http://www.anandtech.com/mysystemrig.html?id=13597" target="_new">-MeTaL RoCkEr</A>

 

[malignant]

No i cant notice the difference between 240 and 290 fps but i do notice the difference between 20 and 35.

 

[chuck232]

Oh, he has and AMD board already. Ok well that would change my views.

...And all the King's horses and all the King's men couldn't put my computer back together again...

 

[Kronos]

How can anyone argue with your logic here? I have come to the same conclusions. One caveat...I now hear that my XP-333R board seems to have problems with the 13 micron XP chips.

I want to die like my Grandfather...in my sleep...not screaming in terror like his passengers.

 

[MeTaLrOcKeR]

Yep...hes already got a whole system based around the AXP 1700+ with 512MB of DDR RAM......

Tell me, is it worht it to just dump it all for a new P4 2.4, a nice DDR Board for the P4 and new PC-2700 DDR RAM?? U can't tell me thats worth it...when u can just go out and get a newwer AXP Chip....which now u agree with me...this is why ive stated what i have =)

<A HREF="http://www.anandtech.com/mysystemrig.html?id=13597" target="_new">-MeTaL RoCkEr</A>

 

[MeTaLrOcKeR]

obviously u would.....and i dunno whats wrong with ur guys systems....or what settigns u have selected in UT 2003.....I play it on my AXP 1600+ system...even NOT overclocked is more than adequit to play on.........even Spud said he can play it on a P3 600 with a cheesy video card.....not best quality but it still runs smooth...

ive got a GF4 MX 440 64MB DDR Card from LeadTek and ive benched the game at 1024x768......it never droppd below 30FPS....details are pretty high too.....almost maxed out....but not quite....Sound is on Software.....game rusn great......

<A HREF="http://www.anandtech.com/mysystemrig.html?id=13597" target="_new">-MeTaL RoCkEr</A>

 

[chuck232]

I see. Well I agree with you now.

...And all the King's horses and all the King's men couldn't put my computer back together again...

 

[AMD_Man]

UT2003 is a game that was optimized for at least 30FPS unlike some games that don't run well with less than 60FPS. That's one reason I like the game. However, I'm not getting UT2003 for the PC. I'm waiting for XBOX Live and Unreal Championship for the XBOX in November. Unreal Championship is said to have even more environments and game modes than UT2003. I wonder if Unreal Championship owners can play UT2003 owners online, hmm..........

Intelligence is not merely the wealth of knowledge but the sum of perception, wisdom, and knowledge.

 

[Quetzacoatl]

Hmm, I think it's going to lag big time on the Xbox, especially with the high details on. I mean look at it this way, on an average tv, your propably looking at 800x600 or 1024x768 at 32-bits. Then, the fact your running a Pentium 733Mhz CuMine with only 64mb of (i'm guessing) Pc-200 Ddr Sdram. The only saving grace is the Geforce3, which might make up for the deficit. I wonder what chipset the Xbox uses ^^

Soon enough, Intel will make the i845s...imagine dual channel Sdram...*shudder*

 

[AMD_Man]

Hehe, I don't have an HDTV so the resolution will only be 640*480 at 32-bits. Also, the XBOX doesn't use regular DDR RAM. It has dual-channel DDR RAM with 6.4GB/s bandwidth that's shared between the processor and GPU. Since the XBOX is designed for only games, that's not a problem like it would be on a PC. I don't know, I have a thing for the XBOX since I got it. It may not be as high-res as PC games on my TV, but I prefer playing games on the couch than on a chair. I'm also getting addicted to force-feedback on the game controller. I feel like I'm slowing moving away from PC gaming to console gaming.

Intelligence is not merely the wealth of knowledge but the sum of perception, wisdom, and knowledge.