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whats the diff Broadwell-E vs Haswell-E?

Pachuca
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hi community, would someone please explain to me what the difference is between broadwell-e and haswell-e? Which is better for overclocking and power consumption? I'm looking at the i7 5820k and the i7 6800k. There's no big difference between these two chips so why the price gap?

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Because Intel just raised the price of Broadwell-E across the board. 

 

Broadwell is a bit faster at the same clockspeeds and is on the 14nm process (vs. Haswell's 22nm). Haswell-E overclocks a bit better. I'd personally opt for the cheaper of the two. 

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Difference between Broadwell-E and Haswell-E is Broadwell-E

  • Official DDR4 2400MHz support
  • Up to 128GB of ram
  • Turbo Boost 3.0, fastest core gets selected as the turbo boost core. Haswell-E does not do that

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Arch is slightly different. Power savings from the die shrink. 

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Personally wait a few months and see if a 6850k is your style, as the more PCIE is beneficial and Zen may cause the prices to drop. Otherwise stick with the cheaper option as there are only minor differences as both chips could run 128gb of ram if you use the proper BIOS.

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On 12/9/2016 at 9:16 PM, haloslayer875 said:

Personally wait a few months and see if a 6850k is your style, as the more PCIE is beneficial and Zen may cause the prices to drop. Otherwise stick with the cheaper option as there are only minor differences as both chips could run 128gb of ram if you use the proper BIOS.

I went with a 5820k for now, but I will need extra pcie lanes available in the future. The 6850k looks nice, but right now it's too expensive. I'll wait and see if prices drop with the new Zen release. 

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21 minutes ago, Pachuca said:

I went with a 5820k for now, but I will need extra pcie lanes available in the future. The 6850k looks nice, but right now it's too expensive. I'll wait and see if prices drop with the new Zen release. 

28 lanes is already more than enough for most people.. What are you planning to do?

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I have a gpu, m.2 ssd, intel 750 series ssd, and would like to run sli in the future. 

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46 minutes ago, Pachuca said:

I have a gpu, m.2 ssd, intel 750 series ssd, and would like to run sli in the future. 

You already can. The chipset has lanes of its own that will handle the storage. Not to mention that even if the chipset didn't provide any lanes, that's still only 24 lanes and the CPU offers 28. 

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1 hour ago, djdwosk97 said:

You already can. The chipset has lanes of its own that will handle the storage. Not to mention that even if the chipset didn't provide any lanes, that's still only 24 lanes and the CPU offers 28. 

the chipest doesn't provide lanes for the m.2. That's handled by the cpu, plus the 750 series is in a pcie slot. I'm using about 24 now, but if I do SLI will that not take me over the 28 mark?

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5 minutes ago, Pachuca said:

the chipest doesn't provide lanes for the m.2. That's handled by the cpu, plus the 750 series is in a pcie slot. I'm using about 24 now, but if I do SLI will that not take me over the 28 mark?

No you'll be good. You have 8 for each GPU and 4 for each SSD giving you 24 total. There will be no performance difference between having the GPUs in 8x vs 16x so unless you want to add two more SSDs or a 3rd GPU you will be fine with 28.

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5 hours ago, Pachuca said:

the chipest doesn't provide lanes for the m.2. That's handled by the cpu, plus the 750 series is in a pcie slot. I'm using about 24 now, but if I do SLI will that not take me over the 28 mark?

Are you sure about that? Most motherboards run the M.2 slot off of the chipset's lanes. But even if it uses the CPU lanes, that's still only 24 lanes (with two GPUs). So unless you plan on adding a third GPU, or two more SSDs you'd be fine. 

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5 minutes ago, djdwosk97 said:

Are you sure about that? Most motherboards run the M.2 slot off of the chipset's lanes. But even if it uses the CPU lanes, that's still only 24 lanes (with two GPUs). So unless you plan on adding a third GPU, or two more SSDs you'd be fine. 

Should be fine. 

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