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Sandy Bridge - E and Ivy Bridge: What's the difference?

post #1 of 2
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I know that the specs for both have yet to actually be announced yet (or were the SB-E specs just announced?) - but I for the life of me can't figure out what the supposed differences are going to be (Intel is getting too confusing)? the most I have been able to pin down is that 'Ivy bridge is a 22nm die shrink of Sandy Bridge, and it uses 3D transistors/tri-gate transistors', but not much else.

I thought that the progression was going to go Sandy Bridge>Sandy bridge - E>Ivy Bridge, Ivy Bridge being the crowning jewel to "Bridge" code names (with PCIe 3.0, USB 3.0, Quad Channel DDR3, etc) but now I feel like it's really more meant for a niche between main stream and enthusiast (I didn't know such a limbo existed - I always though you either knew about computers, or you knew about computers), with PCIe 3.0 and USB 3.0 thrown in (no Quad Channel DDR3, with integrated graphics).

The reason I'm asking is because Sandy Bridge - E is supposed to be out in the next 4 months (probably even soon) and Ivy Bridge isn't far behind, but my Q6600 is having a little trouble keeping up with the work I'm doing in Solid Works, so I'm planning a major over-haul this winter break (Everything. All the way from Hard Drives to the CPU is getting upgraded - I may even get a little fancy with wiring and lighting if my budget allows for it).

Has anyone been able to pin down the difference in major features? I'm not talking about core counts or clocks - more which one is more future proof in regards to it's various buses (PCIe, USB, SATA, memory, etc.).
I certainly hope one of them offers native support for PCIe 3.0, USB 3.0, SATA III and Quad Channel DDR3.
 
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CPUMotherboardGraphicsRAM
Intel i7 3770k Asus Maximus V Formula EVGA GeForce GTX 760 Superclocked Mushkin Enhanced Redline 
Hard DriveHard DriveHard DriveHard Drive
Hitachi HDP725032GLA Western Digital WD75 01AALS-00J7B Seagate ST350032 0AS Western Digital WD15 EADS-00P8B0 
Optical DriveCoolingOSMonitor
Asus DVD+/-RW Corsair H100 Windows 8.1 Pro x64 w/ Media Center Asus VE47H 
MonitorKeyboardPowerCase
Acer AL2016W Logitech G510 Seasonic X-Series 750W HAF X 
MouseMouse PadAudioOther
Logitech G9x Rocketfish reversible gaming pad Creative Sound Blaster Recon3D Cougar CF-V12HPB 
CPUMotherboardGraphicsRAM
Core i7-2600 ASUS Sabertooth P67 Zotac GT 430 Mushkin Enhanced Redline 
Hard DriveHard DriveOptical DriveCooling
Corsair Force GT III Seagate Baracuda Light Scribe LH-20A1L Corsair H100 
CoolingCoolingOSMonitor
Cougar CF-V12HP Cougar CF-H12H Windows Professional 64-bit Acer AL2016W 
KeyboardPowerCaseMouse
Logitech WAVE Silverstone Strider Gold ST75F-G Antec P280 Logitech G9 
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post #2 of 2
Sandy Bridge E is the replacement for socket 1366. It will require a mb with socket 2011. It's for the uber high end people. IMHO, Ivy Bridge is more future proof, and a lot cheaper probably. It uses socket 1155, same as sandy bridge. It will probably be around $300 for the i7 of ivy bridge, versus $600 for the middle end sandy bridge e, the 3930k. Ivy bridge is supposed to support pcie 3.0. sandy bridge e supports quad channel I know for sure, not so sure about ivy bridge (gains from dual channel are almost nothing maybe 6%). Both support SATA III.
    
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Pentium 4 Prescott @ 2.95 ghz Dell 0N6381 Nvidia Geforce 8400gs (725/424/1850) 1 GB of DDR RAM 
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80 GB 5400 rpm Seagate IDE Hitachi CDRW Windows XP Home SP3 Stock Dell display 
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My table... 
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