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(Digital Foundry) Intel Coffee Lake: Next Big Step For Gaming CPUs?

I'm waiting for Timber Lake

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Not sure if I should replace my 6700K. It does me just fine now but if the days of quad cores are over (at least for i5+) then i don't wanna be left behind especially if games start making use of the additional cores/threads.
With that kind of cpu you are fine for a good while, don't panic it's not going to be an overnight change any time soon.
 
Ryzen is the better investment long term since they are committing to AM4. I'm done having to buy new motherboards for incremental updates.
Personally I only intend to upgrade once per memory cycle, currently I plan on going from a Phenom II X4 to an i7 Coffee Lake, and so, by the time I upgrade again, AM4 will be long dead anyway (AMD will have to replace AM4 once DDR5 is a thing after all).
 
What are you gonna use those cores for tho? The more you split workload across cores, the more difficult things can get. Sometimes its not optimal depending on what you want to do. Not sure what else you can do aside from, Logic, physics, graphics, and I/O. Maybe u'll see a 15% boost with dx12 or vulkan & giving the OS some space, but lol who cares?
Multitasking, there's those who stream, more cores help with that, and there are games that can take advantage of more cores, there's even a few games where a non-hyperthreading 4-core just isn't enough.

Not sure if I should replace my 6700K. It does me just fine now but if the days of quad cores are over (at least for i5+) then i don't wanna be left behind especially if games start making use of the additional cores/threads.
With a 6700K, I think it'd be better to wait for a few more CPU releases, maybe even wait until DDR5? (estimated for 2020)
 
The 6-8 core technology has been there for years, Ryzen is simply pushing them to make it available on the mainstream motherboards and offer them at much lower prices.
Well I don't believe Intel in 3-4 months changed all their releases to add more 2 cores to each segment line.

These 6-cores CPUs for i5/7 were already planned no matter what Ryzen delivery. The ideia Intel changed it roadmap releases due AMD Ryzen is something I don't get.
 
Well I don't believe Intel in 3-4 months changed all their releases to add more 2 cores to each segment line.

These 6-cores CPUs for i5/7 were already planned no matter what Ryzen delivery. The ideia Intel changed it roadmap reáleses due AMD Ryzen is something I don't get.

Not the chip themselves, but the branding and the price are possibilities.
 
If these have the performance per core that the 7700k has I'm interested. Ryzen too weak for me in performance per core. Still want 8 cores and 16 threads though. Whoever can do that and let me overclock to 4.5ghz on every core will get my money. I think Ryzen 2 will be the first to do this for me. AMD supposed to be iterating on performance per core now. I haven't seen any signs of an 8 core 16 thread coffee lake chip. Just 6/12.

Not gonna bother upgrading anything until there is new hardware that can run 144Hz at 4K.
At least you will have time to save up since we are probably 3 to 4 years away from this.
 
https://youtu.be/bwAioN2mtsA

Sorry Richard. I love the channel but found it hard to get through this video.

On topic, 6/12 sounds good for i7, but a bit of a shame intel didnÂ’t go the whole hog with an 8 core option in their non-enthusiast lineup.


If these have the performance per core that the 7700k has I'm interested. Ryzen too weak for me in performance per core. Still want 8 cores and 16 threads though. Whoever can do that and let me overclock to 4.5ghz on every core will get my money. I think Ryzen 2 will be the first to do this for me. AMD supposed to be iterating on performance per core now. I haven't seen any signs of an 8 core 16 thread coffee lake chip. Just 6/12.


At least you will have time to save up since we are probably 3 to 4 years away from this.

I think 8/16 with 4.5 on all cores is a little optimistic? Maybe with 2-4 cores active which should be enough for what you would really need - which would be inefficient or non-multithreadable code that wants high single thread performance.
 
The problem with Intel is Brian Krzanich. That guy is a loser with no vision. Intel have done diddly squat in the last 4 years except previous year + 5% thanks to that bonehead. Name one good think Intel have done since 2013. Now compare that with the time under Otellini. This is what happens when you make the guy whose entire experience is "print moar chipzz" the ceo of your company. Krzanich has been living off the wake of Otellini's success, but guess what, its coming to an end.
 
On topic, 6/12 sounds good for i7, but a bit of a shame intel didn't go the whole hog with an 8 core option in their non-enthusiast lineup.
If they made a 8 core CPU for the consumer platform the whole bottom half of their new HEDT cpus would have less or the same amount of cores as their mainstream consumer platform.
 
Well I don't believe Intel in 3-4 months changed all their releases to add more 2 cores to each segment line.

These 6-cores CPUs for i5/7 were already planned no matter what Ryzen delivery. The ideia Intel changed it roadmap releases due AMD Ryzen is something I don't get.

The one thing Ryzen did was force Intel to accelerate its calendar. Coffee Lake was due initially for next year.
 
The one thing Ryzen did was force Intel to accelerate its calendar. Coffee Lake was due initially for next year.
To be fair Coffee Lack was supposed to not exists with Cannonlake being released next year but the process shrink did not delivery in time so Intel choose for the first time do a 2nd optimization of the same node... that is called Coffee Lake.
 
To be fair Coffee Lack was supposed to not exists with Cannonlake being released next year but the process shrink did not delivery in time so Intel choose for the first time do a 2nd optimization of the same node... that is called Coffee Lake.

Also true! But the decision to go 6 core on Coffee Lake also came before Ryzen came into focus, so it's a safe guess that it would have happened on Cannonlake instead.
 
Intel mesh is mess but it has nothing to do with Coffe Lake - so this will be 6 fastest cores you can get on this planet - which means it's going to be ideal gaming cpu as you don't have to compromise with low single thread performance like Ryzen or to a lesser extent Skylake-X does.
“low“
 
To be fair Coffee Lack was supposed to not exists with Cannonlake being released next year but the process shrink did not delivery in time so Intel choose for the first time do a 2nd optimization of the same node... that is called Coffee Lake.

Also true! But the decision to go 6 core on Coffee Lake also came before Ryzen came into focus, so it's a safe guess that it would have happened on Cannonlake instead.

I think it's plausible that Intel understood long before Ryzen officially released that it was going to be a big step up over its predecessors. But Intel never stopped spending big bucks on their processors either. I pointed out earlier that the tech for 6 cores and 8 core CPUs has existed for years, but it was predominantly their pricing that kept them out of the mainstream. I could believe that, if not for Ryzen, they may have opted to position the 6 core Coffee Lake as an "i9" on the mainstream motherboards or otherwise charged a premium instead of pushing them at last year's 4 core/ 8 thread price point which they are likely to do.

Technologically speaking, hexa-core on 95w would have happened either way, but without market pressure they could have offered it as a more expensive part rather than as a mainstream one.
 
I've got an i5-6500. So out of the loop that I don't even know if it'll be relevant in the next couple of years.
 
I've got an i5-6500. So out of the loop that I don't even know if it'll be relevant in the next couple of years.

Well that isn't usually CPU bound for current gen games if you're targeting 60hz. A few exceptions obviously but you won't struggle in the near future. When PS5 and Xbox Two ship with a Zen+ in 2020 or 2021, you will be feeling the heat though.
 
I couldn't care less about the new CPU's for gaming but it's a big deal for me supporting client PC's with i3's that will end up with 2x as many cores. Lots of companies I do support for cut costs with i3 model desktops and they're quite a bit slower than the quad core i5 and i7 variants.
 
So 6/12 i7, 6/6 i5 and 4/4 i3.
Seems like a rather big omission with the lack of 4/8.

Also - don't expect anything to actually launch on 21st, this will be an unveiling only.
 
So 6/12 i7, 6/6 i5 and 4/4 i3.
Seems like a rather big omission with the lack of 4/8.

Also - don't expect anything to actually launch on 21st, this will be an unveiling only.

I wonder about the performance of 6/6 vs 4/8. I get that 6/6 is, undoubtedly, more computational power, but how much does each core remains waiting on regular tasks? And in our case, gaming?
 
-snip-

More Intel Marketing slides
Taking into consideration the clocks listed for Kaby Lake, clocks are listed as base clock / max turbo (1-core turbo) / all cores turbo.

And so, Coffee Lake clocks seem to be (base / max turbo / all cores turbo):
8700K - 3.8 / 4.? / 4.3 (max turbo could be either 4.5 or 4.7, too blurry to tell)
8700 - 3.2 / 4.4 / 4.2
8600K - 3.8 / 4.4 / 4.2
8400 - 2.8 / 3.8 / 3.5
8350K - 4.0
8100 - 3.6
 
So 6/12 i7, 6/6 i5 and 4/4 i3.
Seems like a rather big omission with the lack of 4/8.

Also - don't expect anything to actually launch on 21st, this will be an unveiling only.

Intel will likely have a second wave of 8th gen processors in January (CES-2018) when they launch the z390 (Cannonlake PCH) platform. I could see them launching 8xxx-T processors (power optimized) in 4/8 configurations then.
 
So 6/12 i7, 6/6 i5 and 4/4 i3.
Seems like a rather big omission with the lack of 4/8.

Also - don't expect anything to actually launch on 21st, this will be an unveiling only.
6/6 i5 makes 4/8 irrelevant, though as TakeItSlowDude said, I could see 4/8 happening on lower TDP i5 CPUs.
 
I'm just waiting for a CPU that's significant enough of an upgrade to replace my Haswell i5.

Every time I've asked if I should upgrade or not the response is always "wait." I'm guessing I should skip Coffee Lake too? Is the iteration after this big enough to hold off for it?
 
I'm just waiting for a CPU that's significant enough of an upgrade to replace my Haswell i5.

Every time I've asked if I should upgrade or not the response is always "wait." I'm guessing I should skip Coffee Lake too? Is the iteration after this big enough to hold off for it?

Haswell i5 are still very strong CPUs, your improvements are going to be marginal for most applications and games. Unless you really need two more cores and hyperthreading I would say wait until we see a major platform upgrade from Intel (PCIe 4.0, new PCIe topology, USB 3.2) and perhaps until they make 8-core mainstream CPUs available. Right now your best bang for your buck would be upgrading your GPU, adding a SSD if you don't have one, or improving your overclock by upgrading your cooling (assuming your CPU is unlocked and your mobo is a z series).
 
Are they deliberately limiting the i3s to 4c/4t in order to not appear better than the i5s in thread numbers?
 
Are they deliberately limiting the i3s to 4c/4t in order to not appear better than the i5s in thread numbers?
Well, turning i3s from 2c/4t into 4c/8t would be upsetting for those who got Kaby Lake i7s, I guess.
And yeah, they don't want the gap between i3 and i5 to be too small.
 
I wonder about the performance of 6/6 vs 4/8. I get that 6/6 is, undoubtedly, more computational power, but how much does each core remains waiting on regular tasks? And in our case, gaming?
It's mostly up to the Windows scheduler to spread the load, though the game programmer can make the tasks run on specific threads.
 
I am good with my 4790k for at least 2-3 more years.

4790K was such a steal, so glad I upgraded from my haswell i5. 4 GHZ base clock and 4.5 GHZ boost clock annihilates everything in its path.

Only reason I can foresee upgrading is when the fancy modern features like 10 gig ethernet, Wireless AC, NVME, Thunderbolt etc become standard on intel parts
 
Not sure if I should replace my 6700K. It does me just fine now but if the days of quad cores are over (at least for i5+) then i don't wanna be left behind especially if games start making use of the additional cores/threads.

Lol are you being sarcastic ?
 
Depends. In a span of 10 years, a PC enthusiast could go through 4+ Intel CPUs.

Example upgrade path: E6600 -> 2500K -> 4770K -> 7700K

For this cadence, AM4 could save one cycle.
I feel like most people could have gotten by with a 2500k. I am almost disappointed by how well old Intels have aged because it makes it harder to justify upgrading.
 
4790K was such a steal, so glad I upgraded from my haswell i5. 4 GHZ base clock and 4.5 GHZ boost clock annihilates everything in its path.

Only reason I can foresee upgrading is when the fancy modern features like 10 gig ethernet, Wireless AC, NVME, Thunderbolt etc become standard on intel parts
I want my CPU to last at least 5 years between upgrades. I was able to do that with my amd phenom x3 back in 2009 and I expect my 4790k which I bought in 2014 to last til around 2020.
 
I feel like most people could have gotten by with a 2500k. I am almost disappointed by how well old Intels have aged because it makes it harder to justify upgrading.

I have no idea why people were upgrading from 2000/3000 i7s to any of the more recent 4C i7s. This was just not a very good money investment for gaming as generally there were less than 10% of performance gained from such upgrades.

And recently, there were precisely zero reasons to upgrade from anything on Haswell/Broadwell.
 
I have no idea why people were upgrading from 2000/3000 i7s to any of the more recent 4C i7s. This was just not a very good money investment for gaming as generally there were less than 10% of performance gained from such upgrades.

And recently, there were precisely zero reasons to upgrade from anything on Haswell/Broadwell.

When I moved from my 2700k, it was because my mobo was holding me back. I stupidly, went cheap on it, so no OC (yeah, I know). I was stuck on old SATA. I also wanted USB 3.0, more PCi-E lanes so I could do CUDA programing on an spare GPU.
 
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