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DDR3 1600 vs 2133 is there a difference in game? - Page 16

post #151 of 184
I guess that's why all RAM makers makes all high frequency RAM just for E-peen right biggrin.gif..if RAM was so worthless why they want close to $700 for high-end stuff,why everyone trying to run 2400+ RAM now days ?..I get it browsing



PS4 will kill XBOX one ,bet $20 on this one biggrin.gif
Quote:
Our investigation of the correlation between the performance of Ivy Bridge platforms and their memory subsystem parameters suggests a lack of significant differences from Intel’s earlier platforms. The Ivy Bridge memory controller is largely the same as the Sandy Bridge one and delivers similar performance at the same settings. So, the influence of system memory settings on practical tasks is rather low. However, the new CPUs have brought about certain changes, the most important of which is the opportunity to choose a very high clock rate for DDR3 SDRAM. Such clock rates were not possible even with overclocker-targeted systems of the previous generation. As a result, the range of DDR3 SDRAM offered for LGA1155 systems has been extended, increasing the gap between configurations with slow and fast memory. By changing the memory clock rate alone, you can see a performance boost of 5-10% while applications that need large amounts of data (such as games) may get up to 20-30% faster! So, choosing the right kind of memory for you LGA1155 platform is important. We must note, however, that such benefits can only be achieved after a twofold increase in clock rate whereas a single 266MHz step up leads to a mere 2-3% increase in speed.

http://www.xbitlabs.com/articles/memory/display/ivy-bridge-ddr3_7.html#sect0
Edited by coolhandluke41 - 5/24/13 at 4:57pm
    
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post #152 of 184
Quote:
Originally Posted by coolhandluke41 View Post

I guess that's why all RAM makers makes all high frequency RAM just for E-peen right biggrin.gif..if RAM was so worthless why they want close to $700 for high-end stuff,why everyone trying to run 2400+ RAM now days ?..I get it browsing



PS4 will kill XBOX one ,bet $20 on this one biggrin.gif

PS4 & XboX architecture is different than what you are using here ( PC ).
Anyway, I'm not going to chime in some nonsense conversation regarding that matter ( and that would've been off-topic as well ).

As for why RAM makers make high speed RAM...

plenty of reasons, such as:

1) Because the tight timings chips have been discontinued by Elpida, Micron is out of the DDR game, Winbond is long gone, there's no serious player for high performance low latency RAM anymore.

2) Even if Elpida kept making high perf. DDR3 ICs the manufacturers would push the high speed kits more PR-wise because they make more profit out of them ( the high perf elpida chips are two times more expensive than the "high end" Hynix & Samsung counterparts )

3) Marketing 101: Higher number > lower number

4) People are buying ridiculous stuff thanks to their own ignorance and the marketing tricks, and since most people seem to be buying stuff without any kind of research ( oh, higher number, higher price tag, must be better ), it's easy as peasy to sell these kits.

If you want to make RAM useful, do a iGPU/APU test ( that's where its speed counts since it acts as a framebuffer for the iGPU/APU ) [ same for Xbox One & PS4 ] { to be honest I'm not sure about the Xbox One since I haven't checked its specs & architecture yet, not really into consoles anyway }, or WinRAR/7-zip/KGB archiving or high load SAP/SQL server tests.
post #153 of 184
all the milk and cookies for me ? redface.gif
Thanks that was fun

EDIT ;edited my previous post to make it a bit clearer
Edited by coolhandluke41 - 5/24/13 at 5:00pm
    
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post #154 of 184
I have these 2 ram kits to choose from

$176 - http://www.gskill.com/en/product/f3-2133c9d-16gxh

$189 - http://www.gskill.com/en/product/f3-2133c9d-16gtx

Since both kits have the same speed/timings etc there should be no difference in performance and the only thing apart is the heatsink?
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post #155 of 184
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post #156 of 184

Why do you link something that I don't need? Also i'm not in USA so that's impossible and I use SB so 2400 is useless since SB can only take up to 2133
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post #157 of 184
You're on an an American site, saying prices in dollars, and I'm causing the problem? Even if you were in Canada or Australia, you can find them there, it takes ten seconds to Google, so don't be like that when I'm taking my time to help you after you necroed a thread dead for 3 months. Secondly, that ram is highly binned, so its safe to say that 2400cl9 will clock or tighten better than a 2133cl9, because if it can do 2400 at cl9, then imagine the timings you can do with it at 2133, far better than the 2133 set will.
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post #158 of 184
Both of those are going to have Samsung IC's, but I don't know if they'll be HCH9 or HYK0....

Oh, just noticed they're 2x8GB... Now I have no idea what IC's (though I'd still bet some kind of Sammy)... Is there a reason you need that specific configuration?

If not, you can get some even better stuff, and 4GB DIMMs typically have the best IC's for overclocking.

Here are some of my recommendations:

G.Skill Ripjaws Z 4x4GB DDR3-2400 9-11-11-31 F3-19200CL9Q-16GBZMD (I LOVE the Ripjaws Z kits, every one I've owned/own has/is absolute top-notch! Currently using the 2133 9-11-10-28 version OC'd to 2484 10-12-10-26 1T with just 1.66v vDIMM! These here should run at least as well, and tighten down to something like say DDR3-2133 8-10-11-26 1T or so!)

G.Skill Trident X 2x4GB DDR3-2400 9-11-11-31 F3-2400C9D-8GTXD (these are tied for first place in my "Favorite RAM for Everything!" list with the Ripjaws Z, they're that great!)

G.Skill Ripjaws X 2x4GB DDR3-2200 9-11-9-28 F3-17600CL9D-8GBXLD (phenomenal kit, absolutely grab these if you can! Can do insane timings/speeds)

G.Skill Ripjaws X 2x4GB DDR3-2133 9-11-9-28 F3-17000CL9D-8GBXLD (again, awesome kit)
   
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post #159 of 184
Quote:
Originally Posted by EastCoast View Post

I found this comparison that was posted by someone else. Look at those minimums in Heaven BM.
http://forums.tweaktown.com/memory/48445-does-ddr3-memory-speed-really-matter-ivy-bridge-sandy-bridge-2.html#post448845

That's what is making the difference in how smooth a game can be. Going from 33 FPS to 38 FPS on minimums is what I consider a performance increase even though average didn't change. We all know that the best experience in games are had based on how good minimum frame rates are. For example: If someone is playing a game that only gives them an average of 50 FPS as long as minimums are within the game's level of tolerance the overall gaming experience will be similar if the average was at 80 FPS. It's all about minimum frame rates.

You hit the nail dead on. It is curious nevertheless, that the maximum frame rate would be reduced in net; almost a contradiction. I suspect the increased min frame rates results from reduced latency. To be clear latency is both a factor of speed and timings, not just timings in and of themselves. To explain the drop in maximum frame rates, my theory is that the circumstances on systems where this occurs create a maximum read/write ram condition for a given game, but since the latency is reduced, this manifests itself as an increase in min FPS and reduce max FPS; a most beautiful phenomenon until now smile.gif Still pretty, but understood. If this happens to so many people with different systems and on so many games, and from both major video card vendors, one can summarize that the Evil DirectX overhead is to blame. So you got DirectX, massive overhead, this overhead puts tons of strain on CPU (the poor cpu is like, feed me, feed me I am dying over hear, magnetic hard drive! Shoot Me). All to say that minimum frame rates are intrinsically linked to CPU horsepower given the massive burden that is DirectX. Fok, now i want to test my theory with mantle. Btw, mantle is suppose to improve the average frame rate by 20-50%, but we know that averages are deceiving don't we. I predict that mantle will provide a 40%-60% improvement in min frame rates which is very very very nice.

Thanks so much for your comment, now I understand.
post #160 of 184
What about load times? I used to load Black Ops 2 maps online fast enough to see the starting countdown. Then in overclocking my CPU (phenom II 1055t) higher I turned the memory down from 1600 to 1300 and I always miss the start of the match.
I guess I should test by putting it back up and playing online but I was just wondering if ram speed affects load times.
I have a caviar black with OS and another one with steam games.
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