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I don't mind any product existing, as long as they don't outright alienate what the product line is supposed to be about (ex.: i5-7640X and i7-7740X, those two are irredeemable IMO) and is priced right. The 7800X and 1800X would be perfectly fine after pricing adjustments and I do expect AMD to review its MSRPs in response to Coffee Lake.
I'd like to see Intel have a pricing response of its own even if only to align older products with their standing against Coffee Lake but I won't be holding my breath on Intel having to sanity-check its pricing until Ryzen 2 turns up the heat some more.
Likewise ... But Intel has promised this before and we really haven't seen anything more than low single digit increases since Sandy bridge. Until I see the numbers across a wide range of titles, I'm expecting just another yawn. As for AMD turning ut the heat ... haven't seen that yet, at least not in gaming segment. Ryzen does many things well ... but gaming isn't one of them. In not a single instance has it outperformed competing Intel chip,
AMD Ryzen 3 1200 3.1 GHz - "Gaming performance doesn't match up to competing Intel parts"
https://www.techpowerup.com/reviews/AMD/Ryzen_3_1200/21.html
AMD Ryzen 3 1300X 3.4 GHz - "Gaming performance slightly behind Intel chips"
https://www.techpowerup.com/reviews/AMD/Ryzen_3_1300X/21.html
AMD Ryzen 5 1400 3.2 GHz - "Gaming performance in the league of cheaper Core i3 dual-core parts"
https://www.techpowerup.com/reviews/AMD/Ryzen_5_1400/21.html
AMD Ryzen 5 1500X 3.5 GHz - Gaming frame-rates lower than competing Intel chips
https://www.techpowerup.com/reviews/AMD/Ryzen_5_1500X/20.html
AMD Ryzen 5 1600 3.2 GHz - "Gaming frame rates lower than competing Intel chips"
https://www.techpowerup.com/reviews/AMD/Ryzen_5_1600/21.html
AMD Ryzen 5 1600X 3.6 GHz - "Gaming frame rates lower than competing Intel chips"
https://www.techpowerup.com/reviews/AMD/Ryzen_5_1600X/20.html
And with no IGP, every gamer's ideal setup (current or wish list) includes that 2nd monitor for monitoring utilities, discord, game sites, maps, walkthrus, etc. is gimped a bit
Now for the gamer / youtube guy unwilling to invest in a $400 Intel CPU, Ryzen has a nice niche but Intel still holds a significant edge at $400 and $1000 price points for video editing
https://www.pugetsystems.com/pic_disp.php?id=42852&width=649
https://www.pugetsystems.com/pic_disp.php?id=43232&width=649
It's nice to see Ryzen "get noticed" and find a few niches to excel ... but the reality hasn't lived up to the hype, certainly not in the gaming arena.