Is now a good time to buy a Intel Core i7-7700K Kaby Lake or should I wait?

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zinfamous

No Lifer
Jul 12, 2006
110,803
29,553
146
I would bet on the 6C6T chip. It should be cheaper, and HT wasn't doing a whole lot for gaming, iirc.

nah, modern games really like more threads these days. Plus, I believe those early HT issues with games (the few that could use the extra threads) have long been fixed?

There are only going to be more DX12 and Vulkan games, not less. The more threads the better, as single thread performance has more or less plateaued, has it not?
 

dullard

Elite Member
May 21, 2001
25,203
3,617
126
nah, modern games really like more threads these days...There are only going to be more DX12 and Vulkan games, not less.
Is there definitive proof of that yet? In the gaming benchmarks that I've looked at, the Ryzen 1800X barely beats the Ryzen 1500X even with double the cores, double the threads, faster base clock, faster boost clock, and more power.

Take Anandtech's benches as an example. http://www.anandtech.com/show/11244...x-vs-core-i5-review-twelve-threads-vs-four/13

At 4K resolution, it is GPU limited and there is hardly any difference so more threads didn't help. But even at 1080p resolution, the difference in average FPS was 23% (GTX 1080) and 11% (GTX 1060). Doubling the cores and threads gave no where near double the performance. The performance difference is almost the same as the 8% difference in the boost clock rate. Only if you look at some metric like time under 90 FPS was there a really big difference in double the threads with Ryzen.

Same goes for the Intel tests that I have seen. More threads doesn't seem to correlate with more performance as much as more cache does. That is, unless you are talking about gaming + other simultaneous tasks (such as live streaming).

But, I have been out of the loop for a while on gaming benchmarks, so if there is good proof that it is more threads and not more cache, then please let me know.
 

crashtech

Lifer
Jan 4, 2013
10,547
2,138
146
Skylake-X should be earlier to market, and even once CFL drops, Skylake-X should have the advantage of better perf/clock, a more upgradable platform, more PCIe lanes, and so on.

Personally, I'm going with CFL-S and skipping Skylake-X, but I already have a nice Z270 board that I don't want to rip and replace. If I were building from scratch, I'd be mighty tempted by the Skylake-X knowing that I could pop in interesting future chips.
So you believe that 6C CFL will drop into your Z270, then. Which one do you have, and do you think there is a way to divine which Z270 boards are most likely to receive CFL compatible BIOses?
 

Gikaseixas

Platinum Member
Jul 1, 2004
2,836
218
106
In what world was Intels current hexacore not beating Ryzen 1800x?

Sent from my Nexus 5X using Tapatalk

Even Intel Hectacores have a hard time beating the 1800X. So it's pretty safe to say... In this world
 
Mar 10, 2006
11,715
2,012
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So you believe that 6C CFL will drop into your Z270, then. Which one do you have, and do you think there is a way to divine which Z270 boards are most likely to receive CFL compatible BIOses?

Board is in my sig

Anyway, I'm 99% sure that pretty much every decent Z270 board will get CoffeeLake support. It's only Z170 that I'd be wary about.
 

crashtech

Lifer
Jan 4, 2013
10,547
2,138
146
Board is in my sig

Anyway, I'm 99% sure that pretty much every decent Z270 board will get CoffeeLake support. It's only Z170 that I'd be wary about.
Can't see sigs on Tapatalk, I'm on the road, but if you are right, it won't matter. My personal opinion is that many will support CFL, but not all, and if you want to be assured of solid overclocking, get one with overkill VRMs that can feed six hungry cores.
 

TemjinGold

Diamond Member
Dec 16, 2006
3,050
65
91
Board is in my sig

Anyway, I'm 99% sure that pretty much every decent Z270 board will get CoffeeLake support. It's only Z170 that I'd be wary about.

Wow from not even having rumors you are already 99% sure? I mean, I'd agree there's a decent chance but let's not get ahead of ourselves in case Intel disappoints.
 

crashtech

Lifer
Jan 4, 2013
10,547
2,138
146
Wow from not even having rumors you are already 99% sure? I mean, I'd agree there's a decent chance but let's not get ahead of ourselves in case Intel disappoints.
Due to the uncertainty of whether and how well Z270 would support CFL, I replaced my failing Z170 with the new Ryzen platform instead.
 
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