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Switch to Z390 or upgrade X299?

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Posted · Original PosterOP

I'm looking to spend some money and finish upgrading my PC but I need some input from like minded people such as yourselves. Right now I'm using the ASUS ROG Rampage VI Extreme with the i9-7920x and for almost the same price I could either upgrade my motherboard to the ASUS ROG Rampage VI Extreme Omega and a CPU + VRM waterblock, or I can buy a i9-9900k and get the ASUS ROG Maximus XI Formula motherboard and CPU waterblock. Which direction should I go in, stick with x299 with my higher core/thread count cpu or switch to Z390 and take advantage of the high clock speed. I mainly game, so I don't think I do enough on my PC to need a CPU with more cores and threads so I was leaning toward switching to an i9-9900k but when I do decide to work on something other then playing games I would prefer not to switch to something that's going to really slow down my system on applications or software that utilized those extra cores and threads. Would there be that much of a difference between the two chips, what would you do? Please just give me a little of your input so I have a little help making my decision. No matter what I do I will be spending almost the same amount of money so that isn't an issue. Thanks

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keep your same CPU+ board and just buy a plain water block. no need to go go drop another 500$ on a board on a dying platform.

Good luck, Have fun, Build PC, and have a last gen console for use once a year. I should answer most of the time between 9 to 3 PST

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9900K is about same performance as the 7920X it seems, little less but then you'll gain in single core perf.


But yeah, overall it doesn't seem like it's any worth the money, unless you really are struggling in single core loads.


I typically don't upgrade something unless I'm going to get at least 2-3x more performance. Still on my 5 year old 5960X on my home rig, only got a 9900K as I needed an SFF rig when travelling.


If you want a significant upgrade you go with a Ryzen 3950X, with the advantage of a platform that'll likely allow for another upgrade. Or a Threadripper.

Desktop: i7-5960X 4.4GHz, Noctua NH-D14, ASUS Rampage V, 32GB, RTX2080S, 2TB NVMe SSD, 2x16TB HDD RAID0, Corsair HX1200, Thermaltake Overseer RX1, Samsung 4K curved 49" TV, 23" secondary

Mobile SFF rig: i9-9900K, Noctua NH-L9i, Asrock Z390 Phantom ITX-AC, 32GB, GTX1070, 2x1TB NVMe SSD RAID0, 2x5TB 2.5" HDD RAID0, Athena 500W Flex (Noctua fan), Custom 4.7l 3D printed case

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