PC Peripherals DDR2 800Mhz RAM - suggestions needed

[Spectre]

Hi Folks,

I am planning to buy a 2GB (1GB *2) DDR2 RAM of 800Mhz along with Core2Duo after July 22nd price-cuts

Request you all to let me know the best options available in Indian market (with latency details) and its price

Cheers

 

[Dark Star]

Gskill HZ Pc2 6400 Get it from here .. Based on the latest Micron D9 at a Latency of 4-4-4 .. Check it out : Memory Confihurator

 

[Spectre]

Do they offer warranty

 

[Dark Star]

No its not a new brand and price and details mentioned there .. Link Provided But there is no Indian warranty..

 

[Anish]

^ Yeah, those are the cheapest way to get D9's nowadays though they aren't guaranteed.

There are batches of HZ with ProMos selling too, your luck!

 

[Spectre]

I would like to know the best options available in Indian market (for warranty)

Please suggest

 

[superczar]

Do you really need 800 Mhz RAM?

Correct me if I am wrong but why would I see a performance difference between 800 and 667 RAM?

667mhz DDR2 has a higher bandwidth then a 800mhz FSB.

Also, the FSB is handling a lot of additional data than just RAM read/write

 

[Deepak]

Correct me if I am wrong but why would I see a performance difference between 800 and 667 RAM?

Few percentages as always...

667mhz DDR2 has a higher bandwidth then a 800mhz FSB.

Err, didn't get you. How can 667Mhz have more b/w then 800Mhz

the FSB is handling a lot of additional data than just RAM read/write

So so true and this is why Intel should go the Integrated Memory controller way...

 

[Supra]

667mhz DDR2 has a higher bandwidth then a 800mhz FSB.

Its not always like that...depends on the parameter & command rate.

Say running at DDR2667 @ 4-4-4-12 @ 1T might be more meaningful running at DDR2800@5-5-5-17 @ 2T. This is more true for Intel platforms....amd platforms just fly with more memory speed & likes lower latency as well

But for an AMD system, its ok to go even with value RAM due to the IMC comapred to the better performance RAM we need for the C2Ds

 

[superczar]

667mhz DDR2 has a higher bandwidth then a 800mhz FSB.

Err, didn't get you. How can 667Mhz have more b/w then 800Mhz

I was comparing the bandwidth of the 667 DDR2 with the the max bandwidth supported by the FSB, not DDR2 667 vs DDR2 800

The idea here was you aren't really putting a bottleneck on the system with a 667 DDR2 module....

Thus I don't see how a 800 mhz module will give you even a 1% advantage

 

[Deepak]

^^ Ahh, then to yep, thats true cause like you yourself said, the FSB needs to transfer way more data then just the memory

Grrr.....Intel just get rid of FSB will ya

 

[Ank1t]

^ Yeah, those are the cheapest way to get D9's nowadays though they aren't guaranteed.

There are batches of HZ with ProMos selling too, your luck!

Yea?
What about Cellshocks and Crucial Ballistix?

 

[Chaos]

There's an elpida based cellshock v2 ram but its clearly labelled. Rest is all still D9. Crucial will only use micron chips for its ram... so its guaranteed D9.

 

[4dh1r]

My friend got 2*1GB Transcend Jetram DDR2 800 MHz @ 5-5-5-18 for INR 5600 (with Warranty and Bill!!!) in Mumbai 2 weeks ago

I had br8 2*1GB Adata Vitesta 800+ MHz @ 4-4-4-11-20 for INR 5500 from MemConfig in May.

 

[Spectre]

I am a novice in RAM technology, So, folks, please guide me on which Mhz RAM to select.
I am planning to get the 1333 FSB 6750 Core2Duo, touted to arrive after JUly 22nd. Will 800Mhz RAM with be bottlenecked with this FSB

Thanks for your guidance

 

[TechHead]

I am a novice in RAM technology, So, folks, please guide me on which Mhz RAM to select.
I am planning to get the 1333 FSB 6750 Core2Duo, touted to arrive after JUly 22nd. Will 800Mhz RAM with be bottlenecked with this FSB

Thanks for your guidance

Not if you're going to run at stock.. see, 1333 = 333*4, Quad Data Rate. Each clock cycle will carry 2 units of data on the rising edge and 2 on the falling edge.
So base FSB on the new 1333FSB chips is 333Mhz, while DDR2-800 is specced to run at (800/2) = 400 Mhz. So, on the 1333FSB chips, you're actually running DDR2-800 RAM below stock speeds...

 

[Aditya]

DDR2-667 RAM is enough if your going to run a E6750 at stock mate.

1:1 FSB:RAM ratio is all you need in an Intel system.

 

[Spectre]

Thanks Folks,
That was very useful....much appreciated

I will settle for a 667Mhz, low latency RAM if i run E6750 at stock speeds
and go for 800Mhz, if am going to overclock it.

1 more thing,

How can i identify the RAM, if its low latency, when buying from retail
Any idea on the indian cost of Low latency 667 MHz RAM's

 

[Spectre]

Any help on the above post folks

Thanks

 

[Ank1t]

It'l be written there.. the timings will be given.. like 4-4-4 or 5-5-5 etc