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[AnandTech] Memory Performance: 16GB DDR3-1333 to DDR3-2400 on Ivybridge IGP with G.Skill - Page 3

post #21 of 39
10/19/12 at 11:51am
Quote:
Originally Posted by Nocturin View Post

Not enough to make a difference. With Trinity it will be a large difference, but right now 2-3 FPS isn't going to get you anything playable on HD4000.
On my hd 3000 having my memory set to 1333 @ c8 yields about 27fps in skyrim. having it set to 2133mhz yields just over 34.1. Speed matters a lot in gaming especially on IGP's, in fact a surprising amount even to myself. 7fps may not look like a lot but if i play on 1333 i can't even say its the same experience.
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post #22 of 39
10/19/12 at 12:19pm
Quote:
Originally Posted by Manyak View Post

I believe it's only SB-E where anything past 1600MHz is useless, due to it having a quad channel memory controller to make up for it.
It depends on workload and architecture....
Quote:
Originally Posted by 8800GT View Post

Hmm definitely an interesting article. His calculation of latency in NS is certainly interesting. By his calculation my Mushkin blackline set to 1600mhz @ c8(10ns flat) should theoretically be better than 2133mhz @ c12(11.25ns). but my Ram at it's standard 1600mhz @ c9 also gets 11.25ns. So maybe this proves that instead of going for faster speeds and then lowering the timings the reverse is better? my brain is so scrambled right now after reading that haha. Anyway, i ran some memory benchmarks and found that although my overall latency is lower, 2133@c12 was still theoretically faster than 1600@c9 AND c8.
You can't just look at those numbers. You have to consider workload and architecture as well.

Lower timings are better for random while higher frequency help with sequential.
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post #23 of 39
10/19/12 at 12:32pm
Quote:
Originally Posted by DuckieHo View Post

It depends on workload and architecture....
You can't just look at those numbers. You have to consider workload and architecture as well.
Lower timings are better for random while higher frequency help with sequential.
In your opinion for booting/(de)compressing/decoding, which one is better ?
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post #24 of 39
10/19/12 at 12:33pm
Quote:
Originally Posted by DuckieHo View Post

It depends on workload and architecture....
You can't just look at those numbers. You have to consider workload and architecture as well.
Lower timings are better for random while higher frequency help with sequential.

hence my extended use of the word "theoretical" but you are right. In gaming i still prefer high speeds.
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post #25 of 39
10/19/12 at 12:47pm
Good read.
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post #26 of 39
10/19/12 at 12:50pm
If only we saw some physics tests. If there was a jump in 3d11 Physics from ddr3 1600 to ddr3 2133 I would like to know the results in Batman:AA and Metro2033 if physx was turned on.
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post #27 of 39
10/19/12 at 12:55pm
They could have just used the Samsung memory and tested it from 1333 all the way up to 2400. headscratch.gif
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post #28 of 39
10/19/12 at 1:06pm
Quote:
Originally Posted by DuckieHo View Post

It depends on workload and architecture....
You can't just look at those numbers. You have to consider workload and architecture as well.
Lower timings are better for random while higher frequency help with sequential.

I was referring only to games.
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post #29 of 39
10/19/12 at 1:09pm
Quote:
Originally Posted by Manyak View Post

If only I could get this freaking 1600 kit stable at 1600 I'd be happy. Ugh.

Yup I have to run my 1600 kit at 1333 to pass memtest and prime 95 rather aggrivating. Might buy higher next time to get 1600 lol.
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post #30 of 39
10/19/12 at 1:52pm
Quote:
Originally Posted by duox View Post

Yup I have to run my 1600 kit at 1333 to pass memtest and prime 95 rather aggrivating. Might buy higher next time to get 1600 lol.

Did you get 64GB too? lol rolleyes.gif
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