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Does faster RAM really make a difference?

Will splashing out on expensive RAM make a real difference to PC performance? And if so, how much should you buy? PC Authority supply the benchmarks and lay the details bare.

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pcauthority.com.au
6375d ago Replies(3)
DevastationEve6375d ago (Edited 6375d ago )

Logically, a computer sees memory as it is. So you can't say that having x of higher speed memory is like having 2x of lower speed memory. The biggest chunk x can handle is x, NOT 2x. When 3x needs to be loaded, it will read it in 3 chunks of x. Programs need room, so a nice empty warehouse is better than a studio in the city.

Of course, there are uses for faster memory. Obviously graphics memory comes to mind. The framebuffer needs faster memory for reads and writes, and everything else that are just reads can be in slower memory.

For system memory, the memory controller is what determines what kind of memory you can use. A 4x167 CPU is best coupled with 2x333 memory. Step the memory up a notch and what will happen is that the CPU will be forced to overclock. Stepping up to 2x400 (ddr2 800) will mean the CPU will be 4x200.

moja6374d ago (Edited 6374d ago )

I think I understand what you're trying to say there, but I disagree on your last bit. Stepping up the memory a notch will not force the CPU to match - that's called OC headroom, and it's useless if you don't use it. Memory running faster than the bus/memory controller can't use that extra speed for the system unless the bus is brought up to match (which affects the CPU if multiplier isn't changed). That's why it's important to plan your overclock and component specs before building a system, as you always want to get parts that complement each other.

For example, I have an E8400 spec'd at 9x333MHz -> 3.0GHz stock speed. My FSB can run from 333 (CPU default) all the way to 533+. If I just plopped some DDR2-800 in there and let the system match the CPU, my DDR2-800 would only be running at 667MHz. Instead, I bring the FSB up to 400 (800 FSB) to take advantage of the memory specs and squeeze more juice out of the CPU (3.6GHz). If I bought DDR2-1033 I would pump the FSB up to 533 and lower the multiplier of the CPU to around 7.5 (~4GHz), but the difference between 1033 and 800 really is negligible, so why not stick with 800 at CAS4 than pushing to 1033 with CAS5. So yes, you have the headroom but the CPU doesn't use it unless you tweak the BIOS.

DevastationEve6374d ago (Edited 6374d ago )

I wasn't highlighting it as an advantage. And yeah, the memory would clock down to the CPU's speed, not the other way around. So I shouldn't have said forced, more likely that it won't run at its rated speed UNLESS you overclock. But that's basically the answer to the article's question.

It's not going to make any difference in overall system performance. Since you're limited by what your FSB dictates. Do you overclock just so that the memory runs at its higher speed? The answer is no, buy matching memory speed for the CPU. If you PLANNED on overclocking, then the answer is go ahead.

ThanatosDMC6375d ago

Depends on how you use it.

"It's not the size. It's how you use it." <-- where was that from again???

ofx3606375d ago

The guy on you pic. HAHA *slaps knee*

ThanatosDMC6375d ago

HAHHAHA... he's my spray paint too on CS!

ofx3606375d ago

thats awesome. I just use the default...im a noob :(

DevastationEve6375d ago

that was great, agrees for everyone! double entendres and avatars...hahaha!

LeonSKennedy4Life6374d ago

Haha...I laugh every time I see that picture too!

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Magic_The_Celt6375d ago (Edited 6375d ago )

Only bother if your going for games.

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70°

Microsoft Gaming Revenue Drops 7% Year-on-Year, Content and Services Down 5%, Xbox Hardware Down 33%

Microsoft announced its financial results for Q3 of fiscal year 2026, including an update on its gaming Xbox business and more.

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simulationdaily.com
Jin_Sakai2d ago (Edited 2d ago )

Not looking good. Hopefully Asha Sharma is able to turn Phil’s disaster around.

dveio2d ago

To me it's still quite remarkable how they can cash-in 5.3bn in revenue in a single quarter, since their hardware is basically dead.

Jingsing2d ago

The stock mark is what makes Microsoft remarkable, They have convinced every institutional and retail investor to just keep piling money into them. Like many big tech giants they are just a big growing pyramid scheme. As long as people keep dropping money into ETF's that cover the market Microsoft will always be liquid. At the same time it is completely stifling innovation and competition. People need to start being more discreet in how they invest their money as it's killing the system.

Tanktopmaster922d ago

Once they re-evaluate exclusive all will be fine….

S2Killinit2d ago

Riiiiight because people will just flock back to them for one or two games per year.

Jingsing2d ago

15+ years of bad performance is what they call irreparable in business. It is time for them to sell off the assets and get out of entertainment.

Tanktopmaster922d ago

These declines are on the back of extra revenue received from releasing games like Forza horizon 5 on PlayStation. So I’m being sarcastic here when I said they should go back to exclusives. Killing off a revenue stream from Ps5 sales will only make things worse

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50°

Report: Injustice 3 in Development at NetherRealm Studios

Thanks to the slip-up of an artist working on the title, we now have more evidence that a new Injustice game is in the works.

50°

Spiders Studio, Developers of GreedFall: The Dying World, Announce Liquidation of the Company

Spiders: "We're going to cut straight to the chase so you're not left wondering: After a long period without clear answers, we have received confirmation that Spiders is being liquidated.

What does it mean? This means the company as a whole no longer exists. We'll cease our functions immediately. The planned DLC will release via Nacon, and then-- well, that's it.

We're sorry that it's come to this and would like to thank each and every one of you for your support over the years.

If you have any questions or run into issues with your games, please contact Nacon directly as we'll no longer be able to reply."