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Thinking of upgrading from 3930k to 9900k - advice please!


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Hi All,

 

Long story short, I’m looking to make the jump and build an almost entirely new PC.

My current specs are in my signature and I’m looking to replace everything except my 1080ti with a 9900k, Asus Rampage XI Extreme, 16gb DDR4 3600Mhz (or 4000Mhz) RAM and a M.2 drive.

 

My only hesitation is that I’m unsure of what the benefits will be of spending a little less than £2,000 on a semi new rig. The biggest problem I have at the moment are micro-stutters when flying in VR, otherwise I’m perfectly happy with the performance of the current system.

 

If I do buy the new rig, I plan on OC’ing it to ~5Ghz so in reality, will the ~400Mhz gain result in any meaningful results performance wise?

 

Cheers!

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3930K stock to 9900K stock (400Mhz gain on stock speeds) is a 50% increase in single thread performance.

 

https://www.cpubenchmark.net/cpu.php?cpu=Intel+Core+i7-3930K+%40+3.20GHz&id=902

 

https://www.cpubenchmark.net/cpu.php?cpu=Intel+Core+i9-9900K+%40+3.60GHz&id=3334

 

As per my signature, I’m not running the 3930k stock and I don’t plan on running the 9900k stock either..

Intel 12900k @ 5.2Ghz, RTX 4090, Samsung 1TB NVME, Thrustmaster Warthog & F-18 stick, Pendular Rudder Pedals - Quest Pro

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I went from a 4670k@4Ghz to a 9600k@4.8Ghz and went from slow DDR3 RAM to fast DDR4 and saw a significant fps gain. It jumped from 25 to 40 on a hornet training mission for example and my fps are capped at 40 because of the Rift S. I am quite happy with the upgrade and always flying at max fps so far.

 

May I ask why you want to upgrade to a 9900k instead of a 9600k? You can OC the latter to 5Ghz, too and it's half the price.

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If I do buy the new rig, I plan on OC’ing it to ~5Ghz so in reality, will the ~400Mhz gain result in any meaningful results performance wise?

 

A 9900K at 5ghz is like a 3930K at 30ghz. Please don't compare them by frequency, they are miles apart.

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I have opted for the 9700k due to the price difference and considering that it performs similarly, if not bettter, than the 9900k for simulators that are highly dependent on single-thread performance.

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Is single thread performance the best way to determine which CPU to buy for DCS?

 

 

Single Thread Performance

https://www.cpubenchmark.net/singleThread.html

 

Yeah, that test and the cinebench r20 test favor the AMD chips while cupz and cinebench r15 favor intel. I'm not sure how much it matters though as I did tests in another thread at 4.4ghz and 5.0ghz with my 8700k and saw no difference with a 1080ti. Maybe other factors to consider like multiplayer, how much of a impact?, IDK it would be hard to test with consistency.

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Hi All,

 

Long story short, I’m looking to make the jump and build an almost entirely new PC.

My current specs are in my signature and I’m looking to replace everything except my 1080ti with a 9900k, Asus Rampage XI Extreme, 16gb DDR4 3600Mhz (or 4000Mhz) RAM and a M.2 drive.

 

 

obious,

 

Any particular reason you are staying with 16gb of ram on such a build instead of 32gb?

 

 

Happy Simming,

Monnie

Rack Rig: Rosewill RSV-L4000 | Koolance ERM-3K3UC | Xeon E5-1680 v2 @ 4.9ghz w/EK Monoblock | Asus Rampage IV Black Edition | 64GB 2133mhz | SLI TitanXP w/ EK Waterblocks | 2x Samsung 970 EVO Plus 1TB | Seasonic 1000w Titanium | Windows 10 Pro 64bit | TM Warthog HOTAS w/40cm Extension | MFG Crosswind Rudders | Obutto R3volution | HP Reverb

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Well weirdly enough, I’m confused about dual vs quad channel. From most of the online sellers here in the UK, the kit I want, in the colour I want (Corsair DDR4 ~3600Mhz in white) only comes in a 16GB duel channel kit.

 

I’ve seen quad channel kits but wil they work with a 9900k?

Intel 12900k @ 5.2Ghz, RTX 4090, Samsung 1TB NVME, Thrustmaster Warthog & F-18 stick, Pendular Rudder Pedals - Quest Pro

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Well weirdly enough, I’m confused about dual vs quad channel.

I’ve seen quad channel kits but wil they work with a 9900k?

 

Dual/Quad just means how many modules total in a channel. Most boards are either 2 or 4 channels, that means 4 or 8 DIMM's total. All ram memory modules are the exact same even if it says dual or quad channel "kit". If you have 8 DIMM's you can buy 4 dual channel kits and plug them all in, the motherboard still registers them all the same. However, the more modules, the more stress on the CPU's internal memory controller. The higher the Mhz ram, I suggest less number of modules.


Edited by Tailhook

Intel i9-13900K : ASUS TUF RTX 4080 : 32GB G.Skill RipjawsV 4000 : TM HOTAS Warthog : HP Reverb G2

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Not all memory vendors use the same chip vendors for a given model of their ram. Those that do may use various batches from the same vendor that are spec'd the same. Buying a quad or dual kit means you're buying memory that is sold to work together, making it highly likely that the chips are all from the same vendor, and the same batch. If you're overclocking memory, it is usually advised to buy all your sticks as part of the same kit as having everything the same typically maximizes your stable OC.

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Not all memory vendors use the same chip vendors for a given model of their ram. Those that do may use various batches from the same vendor that are spec'd the same. Buying a quad or dual kit means you're buying memory that is sold to work together, making it highly likely that the chips are all from the same vendor, and the same batch. If you're overclocking memory, it is usually advised to buy all your sticks as part of the same kit as having everything the same typically maximizes your stable OC.

 

correct !

 

Use Thaiphoon to read your modules

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