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Socket choice: 1151 or 2066?

G'day. I'm looking to build a system with fairly high throughput and low latency for capturing digital video. The video capture card is x4 PCIe. I plan to put in a single graphics card -- no SLI etc. I want the capture card to be on PCIe lanes directly connected to the CPU.

As I understand it, my first key choice is CPU socket type, and everything else will flow from there. As I understand it, below are the four socket types that could possibly make sense, including the most powerful chipset that matches that socket, that chipset's release year, and the PCIe lanes that chipset will give.

LGA 1150, Z97 (2014) 8 PCIe 2.0
LGA 2011-v3, X99 (2014) 8 PCIe 2.0

LGA 1151, Z270 (2017) 24 PCIe 3.0
LGA 2066, X299 (Q3 2017) 24 PCIe 3.0

Correct me if I'm wrong, but the bottom two are just newer versions of the top two, and so I can eliminate the top two from consideration.

What's the key difference(s) between LGA 1150/1151 and LGA 2011/2066?

(I've had a bad experience with an LGA 2011 a few years ago: my understanding was that the machine was high throughput, but also high latency, and this did not play nice with the real-timey requirements of digital video capture.)

Thanks.
Reply to dougburbidge
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  1. Best answer
    Your are correct, the z97 and 2011-v3 are obsolete. Unless heavily discounted, avoid the older chipset. The key differences lie in the processors being used. Feature wise, the chipset are very similar.
    Reply to ak47jar3d
  2. Thanks, ak47jar3d.

    Postscript, much later: I went with a Intel Core i7-7800K in an ASRock X299 Taichi LGA 2066 ATX Motherboard, and that worked out pretty well for me. If I'd been buying a couple of months later I might have gone for an i7-8700, for slightly less performance but better price/performance ratio.
    Reply to dougburbidge
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