Question of Ram speeds and performance


P

Pennywise

I'm building another system and have the opportunity
to change out my ram for the new ram. I just don't know
if it's worth it.

I have 6 gigs (three channels) of the Corsair Dominator TR3X6G1600C8D kit
installed now. Running at 1600Mhz, using the XMP profile of 8-8-8-24 1.65V

I have 12 gigs (also three channels) of the Kingston kit HyperX
KHX1600C9D3K3/12GX, will run at 1600Mhz using XMP profile of 9-9-9-27 1.65V

Other than capacity would it be worth it to change the memory out,
speed/Latency wise? All the system is used for is game play.

System:
COOLER MASTER HAF 922 case
ASUS P6X58D Premium MotherBoard
Intel Core i7-930 4.8Mhz
CORSAIR DOMINATOR 6GB TR3X6G1600C8D Memory
EVGA GTX 570 video card
CORSAIR H-50 Cooling Hydro (CPU water cooler)
CORSAIR HX850 Silver Certified, Modular power supply
(above is what I use as a signature)

I'm thinking of changing out the i7-930 for a i7-950 but don't know
if I should even mess with the CPU, X58 Ram slot problems and all.

Thanks.
 
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P

Paul

I'm building another system and have the opportunity
to change out my ram for the new ram. I just don't know
if it's worth it.

I have 6 gigs (three channels) of the Corsair Dominator TR3X6G1600C8D kit
installed now. Running at 1600Mhz, using the XMP profile of 8-8-8-24 1.65V

I have 12 gigs (also three channels) of the Kingston kit HyperX
KHX1600C9D3K3/12GX, will run at 1600Mhz using XMP profile of 9-9-9-27 1.65V

Other than capacity would it be worth it to change the memory out,
speed/Latency wise? All the system is used for is game play.

System:
COOLER MASTER HAF 922 case
ASUS P6X58D Premium MotherBoard
Intel Core i7-930 4.8Mhz
CORSAIR DOMINATOR 6GB TR3X6G1600C8D Memory
EVGA GTX 570 video card
CORSAIR H-50 Cooling Hydro (CPU water cooler)
CORSAIR HX850 Silver Certified, Modular power supply
(above is what I use as a signature)

I'm thinking of changing out the i7-930 for a i7-950 but don't know
if I should even mess with the CPU, X58 Ram slot problems and all.

Thanks.

Does any game use 12GB of RAM ? Do the games work OK with 6GB ?

You say the RAM kits only differ in CAS, and I doubt you could
tell the difference between CAS8 and CAS9. Yes, you can measure
it with something like Sandra, but in terms of "feel", probably
no difference in feel of the system.

http://ark.intel.com/products/family/59143

Intel Core i7-930 Processor (8M Cache, 2.80 GHz, 4.80 GT/s Intel QPI)
Intel Core i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel QPI)

A new processor compared to old processor, would have a clock ratio
of 3.06/2.80 = 1.09x

Unless some game is barely on the edge of playable, the difference
in speed there would be negligible. You could try overclocking,
and get that difference "for free".

*******

If you want to spend some money, Intel has another generation of
high end system coming out. But it looks like the end of this year,
or the beginning of the next. It has quad channel memory, and
the first processor for it will likely cost $1000. Socket
is LGA2011, so a few more contacts than the LGA1366. Contact
counts that high aren't an arbitrary thing - it'll be interesting
to see how reliable such a socket is. Or how much closure force
the socket is going to need.

http://en.wikipedia.org/wiki/LGA2011

Paul
 
P

Pennywise

Paul said:
Does any game use 12GB of RAM ? Do the games work OK with 6GB ?

No, nothing comes close to using half of 6 gigs. I just buy the ram that's on
sale or in stock at the time. Ticks me off when I get a "system is getting
low on memory" warnings :)
probably
no difference in feel of the system.

Thanks, really wasn't sure, thought there might of been a slight decrease.
http://ark.intel.com/products/family/59143

Intel Core i7-930 Processor (8M Cache, 2.80 GHz, 4.80 GT/s Intel QPI)
Intel Core i7-950 Processor (8M Cache, 3.06 GHz, 4.80 GT/s Intel QPI)

A new processor compared to old processor, would have a clock ratio
of 3.06/2.80 = 1.09x

Well there is a 23x multiplier on the 950 as opposed to the 21x on the 930.
http://en.wikipedia.org/wiki/List_of_Intel_Core_i7_microprocessors#.22Bloomfield.22_.2845_nm.29
But ya, they're the same chip.
You could try overclocking,
and get that difference "for free".

Been there, I'm running 2Ghz over default speed right now with a 70°c
shutdown temp that I've never hit.
*******
If you want to spend some money, Intel has another generation of
high end system coming out. But it looks like the end of this year,
or the beginning of the next. It has quad channel memory, and
the first processor for it will likely cost $1000. Socket
is LGA2011, so a few more contacts than the LGA1366. Contact
counts that high aren't an arbitrary thing - it'll be interesting
to see how reliable such a socket is. Or how much closure force
the socket is going to need.

The end of the year! Who's got that kind of time :) 's how I ended up with
12 Gigs of ram.

I looked at the current Sandy Bridge, other than onboard graphics nothing else
really impressed me.

While I would prefer the pins on the CPU, spring loaded "shaft" contacts would
be nice. I really don't care for the LGA1366 socket setup. I feel the sockets
could be the reason for some of the memory detection issues with the X58's.

This isn't mine, someone else posted it; but shows the problem with the
socket, others have reported burnt "pins" http://i25.tinypic.com/28jb5g5.jpg
The LGA2011 looks to be made the same way.

I just may keep the 930 in place just because of the socket.

Thanks for the reply.
 
P

Paul

This isn't mine, someone else posted it; but shows the problem with the
socket, others have reported burnt "pins" http://i25.tinypic.com/28jb5g5.jpg
The LGA2011 looks to be made the same way.

I didn't know it had problems that bad. I'd heard of the "missing DIMM" problem,
but that was also traced to some voltage adjustment.

When a pin burns like that, it might not be the fault of that particular pin.
Say there are a dozen pins connected in parallel, and ten of them are no longer
touching. All the current flows through the remaining two pins, and they burn.

This also happened with LGA1155.

http://www.anandtech.com/show/2859

Paul
 
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P

Paul

Paul said:
I didn't know it had problems that bad. I'd heard of the "missing DIMM"
problem,
but that was also traced to some voltage adjustment.

When a pin burns like that, it might not be the fault of that particular
pin.
Say there are a dozen pins connected in parallel, and ten of them are no
longer
touching. All the current flows through the remaining two pins, and they
burn.

This also happened with LGA1155.

http://www.anandtech.com/show/2859

Paul

That should have been "happened with LGA1156" not LGA1155.

Paul
 

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