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  DDR400 vs DDR 266 
 
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mounterriver WU Jun 21, 2004, 05:26am EDT Reply - Quote - Report Abuse
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I am upgrading my pc's memory to 1G. However, my current motherboard only support DDR266, but I do not want to buy the DDR266 because it is a bit too old. What if I buy two 512MB DDR400 and run them at 266Mhz? Will there be any stability issue due to running DDR400 at DDR266?


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Chris McNally Jun 21, 2004, 05:48am EDT Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
No, in fact it will be more stable because you'll be running it at well under the speed of which it's capable. Kind of like cruising in a car at 3000 rpm when the redline is set at 6500.

Regards,

Chris McNally

Moderator - Hardware Analysis
E-mail: chris@hardwareanalysis.com
Corey Klinedinst Jun 21, 2004, 12:43pm EDT Reply - Quote - Report Abuse
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Edited: Jun 21, 2004, 12:46pm EDT

 
>> Re: DDR400 vs DDR 266
why not buy a new mobo, if this is an AMD system you can get great mobo's for cheap now, i.e. the albitron kx18d pro is around $50 (usd) and i hear it oc's great, or you could go with the nf7-s or dfi ultra infinity both around $100. this way you can put that ram to use the way it was meant. :)

Will Olson II Jun 21, 2004, 02:50pm EDT Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
yea my DDR400 is clocked down to 333 and I havent had any issues you all doest run as hot either since its not working at its max power. You should see your ram be EVEN more stable like they said before since its slower then its limit.

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Gray Mole Jun 21, 2004, 07:18pm EDT Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
definitely get the 400 ram. it's not even the stability as much as the timings. cheap ddr400 runs sloppy timings at 400mhz, but downclocked it'll easily run at cas 2, which is nice. good ram is a bit of a waste, running it super slow like that, but prepares you for future, as i'm sure you'll upgrade eventually.

Gray

I change my hardware so often I can hardly keep track anymore...

Currently X2 4800, 1 gig Redline, X850, Dfi Mobo, etc. which may or may not be current at time of posting...

I do Phase :D
Shadow_Ops_Airman1 Jun 22, 2004, 12:42am EDT Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
will u should try adjusting that FSB/Ram Ratio in the BIOS, get it to 200 instead of 166, i was actually able to run DDR 333 at 400 speed by adjusting timings first then setting that Ratio to 200, ran the system for bit then put the timings i was using back on.

AMD Athlon XP-M 2500+ (133x14= 1867MHz) (209x11= 2299MHz)
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Outlaw 77 Jun 22, 2004, 02:31am EDT Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
If you get the 400, you will have alot of overhead when you're oc'n. You should
be able to take your cpu to it's limits without pushing the RAM.

Abit IC7
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Shadow_Ops_Airman1 Jun 22, 2004, 02:41am EDT Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
but isnt it great that i can push the PC2700 Mushkin DDR i have up to PC3200,

AMD Athlon XP-M 2500+ (133x14= 1867MHz) (209x11= 2299MHz)
DFI LP NF2 Ultra-B (Hellfire 3EG Rev2)
Antec SX800, Neo HE 500, 4 Antec 8CM Fans
Thermalright SI-97 1 Antec Tricool 12CM Fan
CL SB XFi Xtreme Music
2x Barracuda HDs (250/400)
2x Samsung Write
Michael A. Jun 22, 2004, 03:45am EDT Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
You should grab some DD400 and a new mobo as well. An older motherboard like mine can be found online for $70 USD! Older motherboards cost as much as the RAM or even less these days!

Michael A.
Website: http://itnode.net
Shadow_Ops_Airman1 Jun 22, 2004, 04:15am EDT Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
who are u talking about?

AMD Athlon XP-M 2500+ (133x14= 1867MHz) (209x11= 2299MHz)
DFI LP NF2 Ultra-B (Hellfire 3EG Rev2)
Antec SX800, Neo HE 500, 4 Antec 8CM Fans
Thermalright SI-97 1 Antec Tricool 12CM Fan
CL SB XFi Xtreme Music
2x Barracuda HDs (250/400)
2x Samsung Write
ryan anin Apr 06, 2006, 12:32pm EDT Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
hi, im way behind on hardware and the tech know-how and i would like to ask about using the ddr pc400 chips on the older asus a7v266-m motherboard... like is that possible to do? what do i have to adjust in my BIOS settings or if i need to do anything there at all? and any other helpful info that you could throw in regarding said motherboard and the switch from pc266 ddr to pc400 ddr
thanks for your time

Josh Apr 06, 2006, 12:49pm EDT Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
It's fine to use them, they will just run at 266 rather then 400.

Never be afraid to try something new. Remember, amateurs built the ark. Professionals built the Titanic.
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J H Apr 06, 2006, 12:53pm EDT Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
Upgrade your mb for 45-50 bucks and get the faster ram.

I upgraded to, 2 gigs 400 corsair from 1gig 333 and got a 15-25% performance boost. 1k extra on benchmark scores. Think 3dmark 05, I forget.

About my spelling, If you say anything about it im gonna hunt your nerdy english aniel retentive arrrssse down and beat the elcrapo right out of you!!!!
I came to this planet to chew bubblegum and kick ass! And I am all out of gum!
B Apr 07, 2006, 08:24pm EDT Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
"yea my DDR400 is clocked down to 333 and I havent had any issues you all doest run as hot either since its not working at its max power."

Same. I'm glad i didn't waiste my money on getting a whole new set of ram jus so I can have DDR400. I'd only see a 5% increase max.

nick sentosa May 11, 2006, 05:31pm EDT Reply - Quote - Report Abuse
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>> Re: DDR333 vs DDR 266
hi,
i have a laptop with 512MB DDR266 memory. can i add another 512MB DDR333?
what's the different between 266 and 333?
will the difference ruin my laptop?
thx so much...

B May 11, 2006, 05:53pm EDT Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
Nick you should be able to upgrade your memory providing you laptop has an memory expansion slot available. The DDR333 will clock down too 266 speeds and everything should be fine.

nick sentosa May 12, 2006, 01:05am EDT Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
hi Brendan,
thanks a lot for your reply. i will do that (mix them in 2 slots) on my laptop. will post if i see something weird or error message.
thx again - Nick

FordGT90Concept May 12, 2006, 01:19am EDT Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
Ryan, no such thing as DDR pc400. DDR400 is known as pc3200--3200 reflects the bandwidth, not the effective clock rate unlike non-DDR such as pc100 and pc133 where the number is the clock.

Go with DDR400 if it is fiscally feasible. DDR266 has risen in price because the quantity available is falling. Replacing the motherboard probably won't gain much if any performance because, chances are, the CPU is running at 266 FSB as well. Now, putting DDR266 in a computer with a motherboard and processor meant to run at DDR333 or DDR400 is a serious mistake.

________________________
If I remember what I forgot, I have not forgotten it.
Hit Machine Jan 22, 2010, 09:50am EST Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
Which will be more better?:

1256 MB DDR RAM at 400MHz or 1512MB DDR RAM at 266MHz?

~Vel Jan 22, 2010, 12:05pm EST Reply - Quote - Report Abuse
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>> Re: DDR400 vs DDR 266
It depends on what you're using it for. If you're doing something that is time intensive, speed is generally better. If you're have a lot of different programs open at once, more RAM is usually to be favored.

Hit Machine Jan 23, 2010, 04:07am EST Reply - Quote - Report Abuse
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Edited: Jan 25, 2010, 07:12am EST

 
>> 2 GB RAM vs 4 GB RAM
My Laptop has 2GB DDR3 RAM. Whenever I open Task manager, i can see that only 700-900 MB RAM is in use. Usage hardly goes above 1GB even when many programs are running.

The Windows are 64Bit windows 7. Will installation of more RAM will increase speed of laptop? Why or why not?

Also, the laptops and PC use pagefile on harddisk which is used as Virtual RAM. If laptop has 2GB of RAM, will disabling pagefile usage to zero affect the speed of laptop? Speed will increase or decrease? or any other useful/harmful effect?


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