Intel Announces 9th Generation Core CPUs, Eight-Core Core i9-9900K

[eli_singer]

I don't understand the logic here.
The 9900k semms to be beating the 7820x, for less money, while the 9800x that is suppused to replace the 7820x shows pretty much no improvement which begs the question, why pay more for the 9800x when you can get the same if not better performance from the 9900k?
I'm confused.

The platform. The LGA2066 is geared with more than just gaming in mind. It has quad channel DDR4 and 44 CPU PCIe lanes vs dual channel DDR4 and 16 CPU PCIe lanes. It also uses a different connection interface thats quite a bit faster.

Well having a 7820x rig with 64gb of ram i can't see any benefit going with the new 9800x.
I can actually sell my current MB and CPU and get the best z390 board with the 9900k for less money and better performance.
I'm not talking about the higher end of their lineup, but looking at the lower end it seems really wierd to me.
I thought upgrading to the new x lineup butt can't see any benefit on the lower end (and affordable) of the lineup.

Am i right that if I'm not planning going with more than 64gb of ram and utilizing more than 28 lanes i rather go z390&9900k route instead of 9800x route?

Yes. Thats why I said it depends on the platform more than just the CPU. LGA 1151 is the best option for the majority of enthusiasts, gamers and average people. LGA 2066 is best for professionals and enthusiasts that just must have/want it.

The thing with CPus though is that the generation after yours is normally not beneficial at all. 2-3 or more is. If someone has a Z300 or X299 setup then this new CPU and the Z390 probably wont offer any performance gains. The only benefit over either of the 9th gen is the STIM vs TIM. That will allow for better temps and better clocks but thats pretty much it.

In your case if you do have a 7820X then you shouldn't consider either CPU. There is nothing out there right now that would cause you any performance gains. Your best upgrade option is a GPU.

Well the reason for wanting to upgrade has to do with the fact that i rather sell my current setup and buy a new one for a relatively small price difference now, which will keep me on the forefront of current technology, rather than having an aging machine that i can't sell and having to shell big coin for a completely new machine in a few years.

Having said that, i do need to know that i will be getting on par or better performance from a new rig.

I will be using:
4x16 sticks of RAM (64GB total)
GTX 1080
10Gb Ehternet PCI Express card
1 NVMe m.2 drive
2 SATA SSD drives

I will add a Blackmagic Decklink card to output video to my studio grading monitor.
I could probably add another NVMe drive down the road and another SATA SSD.

My understanding is that i need 16 lanes for the GPU, 4 lanes for the 10GBe card, 4 lanes for the decklink card.

This sums up to 24 lanes.

As far as i understand, the M.2 drives and the SATA drives all come from the Chipset lanes which is not a problem.
But everything that goes into the PCI-E slots comes from the CPU lanes and that's where i might encounter issues with a 9900k setup since i will be using a GPU, a network card, and a decklink card, all 3 in PCI-E slots.

Am i getting this right?
would i be better off staying with my 7820x in terms of performance due to the lanes issue?
Does it make sense to replace the 7820x with a 9800x? they practically look almost identical but the next step up is at least $300 more...

Eli

 

[bit_user]

I will be using:
4x16 sticks of RAM (64GB total)
GTX 1080
10Gb Ehternet PCI Express card
1 NVMe m.2 drive
2 SATA SSD drives

I will add a Blackmagic Decklink card to output video to my studio grading monitor.
I could probably add another NVMe drive down the road and another SATA SSD.

My understanding is that i need 16 lanes for the GPU, 4 lanes for the 10GBe card, 4 lanes for the decklink card.

This sums up to 24 lanes.

As far as i understand, the M.2 drives and the SATA drives all come from the Chipset lanes which is not a problem.
But everything that goes into the PCI-E slots comes from the CPU lanes and that's where i might encounter issues with a 9900k setup since i will be using a GPU, a network card, and a decklink card, all 3 in PCI-E slots.

Am i getting this right?
would i be better off staying with my 7820x in terms of performance due to the lanes issue?

Personally, I wouldn't bother upgrading. Yes, the i9-9900K will be faster, but IMO not worth the cost and trouble.

As for the lanes, it probably depends on the motherboard and whether you insist on having your GPU connected at x16. If not, then some motherboards support a x8 + x8 or x8 + x4 + x4 configuration for the CPU lanes.

You should also consult the motherboard documentation to see which PCIe slots are on the CPU vs. chipset. Everything from the chipset, including NVMe and whatever PCIe slots its driving will share a single x4 link to the CPU. That might be alright.

Each lane is good for about 985 MB/sec, which should be enough to stream 4k 60p @ 4:2:2 to your DeckLink card. I also don't see why a 10 GBe card would be x4, unless it's PCIe 2.0 or a dual-port card, as x1 is almost fast enough for it. But looking at the above numbers suggests you should have more than enough bandwidth to stream uncompressed video from your NVMe and send it out your DeckLink card, or support a 10 GBe file transfer to/from your NVMe.

So, with the right motherboard, you should be able to make it work, even if you use a full x16 connection to your GPU.

 

[jimmysmitty]

I don't understand the logic here.
The 9900k semms to be beating the 7820x, for less money, while the 9800x that is suppused to replace the 7820x shows pretty much no improvement which begs the question, why pay more for the 9800x when you can get the same if not better performance from the 9900k?
I'm confused.

The platform. The LGA2066 is geared with more than just gaming in mind. It has quad channel DDR4 and 44 CPU PCIe lanes vs dual channel DDR4 and 16 CPU PCIe lanes. It also uses a different connection interface thats quite a bit faster.

Well having a 7820x rig with 64gb of ram i can't see any benefit going with the new 9800x.
I can actually sell my current MB and CPU and get the best z390 board with the 9900k for less money and better performance.
I'm not talking about the higher end of their lineup, but looking at the lower end it seems really wierd to me.
I thought upgrading to the new x lineup butt can't see any benefit on the lower end (and affordable) of the lineup.

Am i right that if I'm not planning going with more than 64gb of ram and utilizing more than 28 lanes i rather go z390&9900k route instead of 9800x route?

Yes. Thats why I said it depends on the platform more than just the CPU. LGA 1151 is the best option for the majority of enthusiasts, gamers and average people. LGA 2066 is best for professionals and enthusiasts that just must have/want it.

The thing with CPus though is that the generation after yours is normally not beneficial at all. 2-3 or more is. If someone has a Z300 or X299 setup then this new CPU and the Z390 probably wont offer any performance gains. The only benefit over either of the 9th gen is the STIM vs TIM. That will allow for better temps and better clocks but thats pretty much it.

In your case if you do have a 7820X then you shouldn't consider either CPU. There is nothing out there right now that would cause you any performance gains. Your best upgrade option is a GPU.

Well the reason for wanting to upgrade has to do with the fact that i rather sell my current setup and buy a new one for a relatively small price difference now, which will keep me on the forefront of current technology, rather than having an aging machine that i can't sell and having to shell big coin for a completely new machine in a few years.

Having said that, i do need to know that i will be getting on par or better performance from a new rig.

I will be using:
4x16 sticks of RAM (64GB total)
GTX 1080
10Gb Ehternet PCI Express card
1 NVMe m.2 drive
2 SATA SSD drives

I will add a Blackmagic Decklink card to output video to my studio grading monitor.
I could probably add another NVMe drive down the road and another SATA SSD.

My understanding is that i need 16 lanes for the GPU, 4 lanes for the 10GBe card, 4 lanes for the decklink card.

This sums up to 24 lanes.

As far as i understand, the M.2 drives and the SATA drives all come from the Chipset lanes which is not a problem.
But everything that goes into the PCI-E slots comes from the CPU lanes and that's where i might encounter issues with a 9900k setup since i will be using a GPU, a network card, and a decklink card, all 3 in PCI-E slots.

Am i getting this right?
would i be better off staying with my 7820x in terms of performance due to the lanes issue?
Does it make sense to replace the 7820x with a 9800x? they practically look almost identical but the next step up is at least $300 more...

Eli

Not every PCIe slot will come from the CPU. Mainly the x16 slots do but the x1 and x4 can come from the chipset.

The 9800X is not the same. It has 16.5MB of L3 cache vs 11 and 44 PCIe lanes on the CPU vs 28. In terms of CPUs going to the 9900K would be a drop in PCIe lanes and L3 cache. Your only way forward would be the 9800X.