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post #11 of 55 (permalink) Old 07-20-2020, 11:23 AM - Thread Starter
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Quote: Originally Posted by BroadPwns View Post
I'd stick to Intel when it comes to 120/144Hz screen, I'd expect Zen 3 to at most equalise with 9900k.
One last thing. You said the VRM on my current motherboard is bad. If I get a non k version of 9900 as I never OC CPUs, is it still a bad idea to keep my current mobo?

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post #12 of 55 (permalink) Old 07-20-2020, 11:28 AM
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It should be able to whitstand but value of 9900 is not so great and for its price you'd be able to get Z490 Gaming Plus AND 10600k.

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post #13 of 55 (permalink) Old 07-20-2020, 01:30 PM
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I agree that moving from a 6 core/6 thread CPU to an 8 core/8 thread CPU is a bit of a small jump. The Core i9 9900K would have been a worthwhile consideration if your motherboard was able to handle it, and if price was cheap enough.

If you're going to have to replace your motherboard though, I disagree at dismissing Ryzen so fast. It really depends on how prices are in your country, but the way it is here, Intel's offering usually matches up close to AMD's next core amount offering to where the choice is basically "do I want the extra cores and threads, or the extra per core performance" and that per core performance advantage of Intel isn't as big as it used to be. It's actually nil; Intel just has a clock speed advantage.

That being said, I would not even bother looking at the Core i5 10600K. Not only because you'd be changing your motherboard just to change the CPU just to... add threads and stay on the same core count (why?), but also because the Core i5 10600K is priced too awkwardly close to the Ryzen 7 3700X (the latter is actually cheaper here at the moment, was the opposite last time I looked), and I'd recommend the latter every time, even if it was slightly more expensive.

You shouldn't be looking at less at than the Core i7 10700K in my opinion (or your initial Core i9 9900K would have been good if it were an option too). The problem with that is that it's priced so high that it's really not worth it, but the reason it miiiiight make sense anyway is because you're sort of approaching the point where you have a lot of cores and threads and need to ask yourself "is more too much?" so it makes sense IF you don't paying the huge premium. Otherwise, you can save the money and get about the same with the Ryzen 7 3700X. But those are the two CPUs you should be considering in my opinion, and then deciding if you don't and paying more for extra (per core) performance. In that case, go with the Intel.

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post #14 of 55 (permalink) Old 07-20-2020, 01:48 PM
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Cost wise, Ryzens are better. Performance wise, 10600k beats 3900X in gaming any day, any time, so eh...

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post #15 of 55 (permalink) Old 07-20-2020, 02:10 PM
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Quote: Originally Posted by BroadPwns View Post
I'd stick to Intel when it comes to 120/144Hz screen, I'd expect Zen 3 to at most equalise with 9900k.
I'm curious if Zen3 will be able to match intel's memory performance, specifically latency.
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post #16 of 55 (permalink) Old 07-20-2020, 02:14 PM
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I'd expect Zen 3 to catch up to 9900k/10700k tbh in raw performance with PBO enabled. I also highly doubt they'll break 55ns of Aida64 memory latency test as that'd be a huuuuge gain and AMD did not promote Zen 3 as something more than just evolution.

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post #17 of 55 (permalink) Old 07-20-2020, 02:16 PM
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Quote: Originally Posted by BroadPwns View Post
I'd expect Zen 3 to catch up to 9900k/10700k tbh in raw performance with PBO enabled. I also highly doubt they'll break 55ns of Aida64 memory latency test as that'd be a huuuuge gain and AMD did not promote Zen 3 as something more than just evolution.
Fair enough, the chips are still good enough to rock 144hz at 1080p/1440p.
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post #18 of 55 (permalink) Old 07-20-2020, 02:27 PM
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I agree, from a pure gaming perspective today, the Core i5 10600K may perform better than a Ryzen 9 3900X, but gaming performance isn't performance as a whole, and performance doesn't exist in a vacuum. Price is a thing, so I'm sort of confused as to why you'd use the Ryzen 9 as the point of comparison to a Core i5 10600K other than to lopside the argument in favor entirely of the Intel by saying it's cheaper AND performs better in games; the Ryzen 7 3700X should probably be your point of comparison there (again, using USD prices so if the situation is vastly different where you are then ignore this part by me).

Where the OP stands right now also needs to be factored. I don't think the Core i5 10600K is a worthy consideration for the OP because you'd be changing motherboard just to stay on the same number of cores but add SMT. I really don't find that justifiable. Just get a Core i7 8700K at that point (if the board supports it) or aim for more of a gain, even if it costs more and necessitates saving more. Sure, with a Core i5 10600K they might be gaining some clock speed (going from non-K to K variant, too) but I don't think that's enough. If the motherboard is going to nee changed, everything is on the table. I would at least look at adding cores/threads too. At that point, you're looking at the Core i7 10700K. I'd actually sooner recommend that to the OP than the Core i5 10600K despite the imbalanced overpricing of the Core i7 simply because it's "more jump for the money spent" relative to where they stand now, even if the Core i7 is outright a worse value. If spending that much for the Core i7 has the OP hesitant, the Ryzen 7 3700X becomes an attractive option.

Just how I see it though. Best case scenario would be if a Core i7 9700K at least, but ideally a Core i9 9900K, would drop in, but it sounds like that's not an option.

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post #19 of 55 (permalink) Old 07-21-2020, 03:34 AM - Thread Starter
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Thank you all for the answers guys. To be clear than there are some options but nothing groundbreaking. It seems like maybe I should keep my 8400 for a while as getting a new mobo and a new cpu will not really make a huge difference. So perhaps the best thing for me is to wait for 2021 Intel or AMD offerings, get a new high quality mobo and perhaps DDR5 will be among the new upcoming motherboards that will support next gen CPUs.

Edit: Also how do you guys know that my current mobo is not good for i9 9900? For what setting should I look for in the future to know that a motherboard is good for a CPU I want. Normally how I shop for mobo is if the socket is ok for the CPU, and since I am not Ocing buy whatever you want .

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post #20 of 55 (permalink) Old 07-21-2020, 08:12 PM
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Just because Comet Lake beats Zen 2 in gaming doesn't mean Zen 2 isn't worth considering for a gaming build. The margin between the two at 1440p is a few percentage points, depending on the game. If one can't afford to go with an i5-10600K or i7-10700K, then it would make sense to look at an R5 3600 or R7 3700X.

Your current setup is perfectly acceptable for 1440p gaming. You wouldn't see much difference upgrading to anything newer. An i7-8700K or i7-9700K would be worth considering because you wouldn't have to change motherboards and they offer similar gaming performance as the i5-10600K.

The VRM on the MSI Z370-A Pro isn't good. You would probably have to underclock/undervolt to be able to use an i9-9900K or institute a hard power limit to prevent the VRM from getting too hot from all the power draw. Whenever you shop for your next motherboard, make sure the VRM will be able to handle whatever the most power-hungry CPU the board supports. Not really a point in getting a board if you won't be able to upgrade to the best processor it supports. A budget board like the MSI Z370-A Pro is perfectly adequate for locked processors that can't stress the VRM too much. There's a reason it was one of the cheapest Z370 boards on the market.

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