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New i7 Hex-Cores out Monday..
show user profile  ScotlandDave
Well the new SandyBridge-E Hexcore i7 chips are supposed to be out on monday. Pricing roughly as follows in UK money:

3960X - £850.79

3930K - £477.59

So a bit more expensive than the 2nd generation i7 chips ( ie 2600k/2700k ), but something to think about for those of us looking for a system upgrade around this time ( personally i can`t afford/justify dual-xeon setup unless it was lower end ones )..

Both chips are supposed to be overclockable ( unlocked multipliers ) hopefully to around 5ghz, hex-core with hyperthreading ( so 6-core plus 6 virtual cores ), support quad-channel ddr3 memory, the 3930K should have a 12mb L3 cache ( par with some current xeon chips ). Typical of Intel the 3960X version disproportionately to cost steps up around 100Mhz and an extra 3mb L3..

The chips will require a new socket 2011 motherboard which is something to think about too, there are a few on the market already as well as some quad-channel ddr3 memory kits.

Be nice to hear peoples thoughts, i`m still waiting to see how they`ll price/perform in the real world, and as far as i can tell the second generation i7 26/2700K setups are still worth serious consideration, also there`s IvyBridge coming out in the new year, so a lot to think about :)



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read 927 times
11/12/2011 12:10:00 AM (last edit: 11/12/2011 12:10:00 AM)
show user profile  soontekk
thx mate, was kinda hoping for an 8/16 core :s

melting ur brainz!
/ FOS4 / FO2 / Blurb / Twitter / Facebook / Vimeo /


read 900 times
11/12/2011 12:45:28 AM (last edit: 11/12/2011 12:45:28 AM)
show user profile  Nik Clark
I've been waiting for these chips to buy a new system. I'll probably be ordering it as soon as I can. Not sure exactly what it will be, but I'll post it when I get it.



read 896 times
11/12/2011 1:14:34 AM (last edit: 11/12/2011 1:14:34 AM)
show user profile  ScotlandDave
Scan are the first i`ve seen offering for sale, cpu/mobo/ram/cooler bundle:

http://systems.scan.co.uk/ShowSystem.asp?SystemID=1369

It`s dual channel ram tho..


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read 893 times
11/12/2011 1:18:28 AM (last edit: 11/12/2011 1:18:28 AM)
show user profile  killerbee2
might be interesting to build some rendernodes




read 868 times
11/12/2011 4:33:06 AM (last edit: 11/12/2011 4:33:06 AM)
show user profile  CarnivoreMan
Id love one of those chips. TomsHardware has a good review up on it here: http://www.tomshardware.com/reviews/core-i7-3960x-x79-performance,3026-9.html

My link goes right to the page for content creation on which they have Blender.. This chip is looking good. Poor AMD.

Here's a quote from the article:

"Cumulatively, the impact of Sandy Bridge-E over Core i7-990X is felt in both single- and multi-threaded apps, topping out in the 30% range in a benchmark like Blender. If you count yourself amongst the workstation users justified in spending $1000 on a six-core processor due to the productivity gains it provides, Core i7-3960X looks to be a substantial upgrade as a result of its Sandy Bridge roots."






read 863 times
11/12/2011 5:21:17 AM (last edit: 11/12/2011 5:23:13 AM)
show user profile  ScotlandDave
I forgot to mention the LGA2011 mobo`s will support up to 64gb of Quad-Channel RAM, so pretty huge. AFAIK using too many ram sticks limits overclocking although i`m not sure of the technicalities of that ( cue MrStabby ). The mobo`s i saw reviewed also feature SATA 3 ( 6gb/sec HDD etc ), USB 3, and PCI-e 3 x16..

KB: i saw one review of a dual-socket 2011 mobo obv designed for dual SandyBridge-E Xeon chips although no idea if those are true - they`ll be super expensive killing machines i`d imagine you`d love those :)




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read 849 times
11/12/2011 9:46:31 AM (last edit: 11/12/2011 9:46:31 AM)
show user profile  Garp
Good! Means that by the time I'll need to upgrade, the octo-cores will be there.




read 841 times
11/12/2011 10:31:13 AM (last edit: 11/12/2011 10:31:13 AM)
show user profile  Mr_Stabby
the dual socket board you saw was probably evga sr3 production mockup, though there is no info on availability the pricing will probably be similar to sr2 (600$ for dual 1366). Given that it will have to be on the yet unnamed chipset for 2p+ systems and the only date associated with it is q1 2012 i'd expect it in first half of 2012.

Also confirmed to release in q1 2012 are the octo-core SBE xeons, there have been no X designation SKU's named (which in previous generation stood for unlocked multi, ecc and VT), probably because VT seems to be broken in the stepping of cpus about to be released. Given that intel is changing their clock control policy though (with all the SBE series i processors having blck->core multiplier) one might hope that this also translates into xeons which would make them OC'able.

As for the memory amount - unlike in previous generations SB mem controller is well separated from the rest of the cpu so even though the amount of memory chips it has to handle does directly translate into increased heat, the limiting effect on achievable OC has been observed to be quite insignificant. SBE will have a new mem controller though so this might change but probably not

read 818 times
11/12/2011 7:35:56 PM (last edit: 11/12/2011 7:35:56 PM)
show user profile  ScotlandDave
Those octo-core xeons will be beast :) I imagine they`ll also be £1k+ per chip similar to the current high-end xeons.. Or is it worthwhile holding out even longer for these in the hopes they`ll be lower-end workstation xeons available?

Regards the memory, so the effect of moar ram sticks on overclocking/temps might be negligible? Four 8 gig sticks should be ok then :)

Any idea how much real world effect quad-channel will have over dual/triple channel ddr3? I`d expect it to improve throughput in the cpu significantly especially considering the memory controller is onboard the cpu..


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read 801 times
11/12/2011 8:55:32 PM (last edit: 11/12/2011 8:56:19 PM)
show user profile  advance-software
we've got a couple of benchmarks so when someone gets an uber system, maybe they could run our iray & embree tests.
read 794 times
11/12/2011 9:41:21 PM (last edit: 11/12/2011 9:41:21 PM)
show user profile  Garp
One day we'll have quantum processors that will spit out the result of a calculation before it's entered.




read 790 times
11/12/2011 9:57:24 PM (last edit: 11/12/2011 9:57:24 PM)
show user profile  advance-software
i gave you that yesterday.

read 789 times
11/12/2011 10:11:26 PM (last edit: 11/12/2011 10:45:10 PM)
show user profile  Mr_Stabby
the octo-core xeons wont be cheap for sure http://www.cpu-world.com/news_2011/2011102701_Prices_of_Xeon_E5-2600-series_CPUs.html
all these are 2p+ cpus btw, 1p xeons will basically be clones of i series processors so no more then 6 cores there.

as for the effect of quad channels - for rendering in max exactly 0% :p despite eating a bunch of memory it doesn't need to be fast at all for rendering purposes. biggest gains from memory throughput are seen in compression, encryption and other stuff that deals with very big numbers, rendering deals with lots of relatively small numbers. All though cuda is moving towards gpu being able to address system memory directly and vice-versa, if this ever makes it to something like iRay memory bandwidth could suddenly make a world of difference, then again it would make their tesla cards completely pointless so will probably never happen :p

read 762 times
11/13/2011 12:08:39 AM (last edit: 11/13/2011 12:08:39 AM)
show user profile  advance-software
next to floating point performance, memory access speed is the next most important processor characteristic as you can't hold an entire scene's worth of info in the core or even primary cache.

ray tracing is all about wandering through memory finding what hits what.

read 747 times
11/13/2011 9:13:18 AM (last edit: 11/13/2011 9:25:07 AM)
 
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