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Are you considering upgrading your laptop in spite of DDR4?

post #1 of 12
Thread Starter 
Dell confirmed to me that they are testing the DDR4, which is scheduled to be released in January/February 2012 (in a few months).

What is more concerning about the release of DDR4, is that Dell also confirmed that the new laptops which use DDR4 will have entirely new motherboards. This means that your "old" DDR3 laptop will not be compatible with the new DDR4.

DDR4 RAM is supposed to be around 200% faster than an equivalent amount of DDR3 RAM.

This is a big deal. Are you considering upgrading your laptop before Christmas in spite of this? Or don't you think it will be a good idea to hold off for just a few more months until the new DDR4 laptops come out?

There is of course a risk of holding out - if DDR4 gets delayed, then it could mean 6 or 8 months of using your sub-par laptop.

My advice?
If a laptop upgrade will be a significant upgrade, then it may be beneficial to upgrade your current laptop if the new one is less than 30% more costly than the resale value of your current laptop. Prices will be high for the new DDR4 laptops, so holding off until later in the year before upgrading to the DDR4 laptops could be beneficial for you, and may even be financially savvy.

On the other hand, a delay is not anticipated for the release of DDR4 in the beginning of 2012.
Edited by everplexmedia - 10/14/11 at 5:27pm
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post #2 of 12
Quote:
Originally Posted by everplexmedia;15274497 
This means that 4GB of DDR4 will perform like 8GB of DDR3, or
8GB of DDR4 will perform like 16GB of DDR3.
False. You cannot replace RAM amounts with RAM speed. You can move data faster between RAM and CPU, but you cannot work on a smaller table, especially if you use all of it.
   
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post #3 of 12
still ddr4 so shiny, will look nice next to a ivory bridge and gtx680 lol biggrin.gif
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post #4 of 12
Thread Starter 
Quote:
Originally Posted by Starbomba;15274536 
False. You cannot replace RAM amounts with RAM speed. You can move data faster between RAM and CPU, but you cannot work on a smaller table, especially if you use all of it.

You're right. I had thought of adding a clause that "speeds and amounts are not really comparable like that", but really the statement was just for the purpose of helping newbies to conceive the difference.
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post #5 of 12
Can't wait!
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post #6 of 12
Quote:
Originally Posted by everplexmedia;15274607 
You're right. I had thought of adding a clause that "speeds and amounts are not really comparable like that", but really the statement was just for the purpose of helping newbies to conceive the difference.
True that. I'd say DDR4 single channel is as fast or faster than DDR3 dual channel. A comparison like that does sound more believable thanRAM sizes.

I will wait for it. I plan to do one big huge update next year with Ivy+Kepler. Or, if AMD really gets their game on, BD-E.
   
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post #7 of 12
I think the question is, what current mobile CPU needs the extra bandwidth right now? Even the upcoming Desktop SB-E and Ivy bridge CPUs will have a tough time utilizing all of the bandwidth from DDR3 Dual-channel memory.

It's as useless as PCI-E 3.0 and thunderbolt.
 
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post #8 of 12
Thread Starter 
Quote:
Originally Posted by nakano2k1;15277206 
I think the question is, what current mobile CPU needs the extra bandwidth right now? Even the upcoming Desktop SB-E and Ivy bridge CPUs will have a tough time utilizing all of the bandwidth from DDR3 Dual-channel memory.

It's as useless as PCI-E 3.0 and thunderbolt.

I never considered this. Is that really true? Can you give any sources to back this up?
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post #9 of 12
Quote:
Originally Posted by everplexmedia;15277933 
I never considered this. Is that really true? Can you give any sources to back this up?

Look at any comparison of notebook memory. There are lots of comparisons around.

With notebook memory, you're better off getting a lower latency instead of high bandwidth.
 
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post #10 of 12
You'll only see the improvement on the machines that use the RAM's bandwidth for games and rendering programs. Most of the IGPs within computers will benefit from this increase hugely, actually making it worthwhile in the future for IGP gaming.
     
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