Intel Skylake / Kaby Lake

[quietplates]

Would be interesting to see how this chip compares to i5-7400 (which we should find in value pre-builts) when using GTX 1050 Ti?

Definitely.

 

[cbn]

Would be interesting to see how this chip compares to i5-7400 (which we should find in value pre-builts) when using GTX 1050 Ti?

Definitely.

My guess is that the i5 7400 Pre-built will win on value if the goal is smoothest gameplay with new titles.

Perhaps, where the unlocked Core i3 7350K would shine most (in the Intel line-up) for gaming is when used with mid to high end 28nm dGPUs that can't be repurposed in Core i5-7400 value pre-builts (which typically lack room for such a dGPU and definitely lack in PSU). But even in this scenario it would need some kind of lower cost Z overclocking board to help make it work as a value.

EDIT: Thinking about a Core i3 7350K (with low cost DIY Z mobo) vs. I5 7400 (in a Pre-built) more......perhaps if the low cost Z board (used with the Core i3 7350K) had M.2 PCIe 3.0 x 4 that would help equalize things a bit.

EDIT2: Another plus for the i3 7350K (over the Core i5 7400 Pre-built) would be the use of faster than DDR4 2400 RAM if the i3 7350K used a Z-board.

 

[cbn]

It would be huge if Pentium G4600 also supports HT at $87, but I don't have specs yet. Note that these are early prices, could go down at launch or over time.

http://www.shopblt.com/search/order_id=%21ORDERID%21&s_max=25&t_all=1&s_all=BX80677

According to WCCFTech G4600 does have HT:

http://wccftech.com/intel-kaby-lake-core-i3-7350k-cpu/

....but I couldn't find their source for this.

 

[Ajay]

Skylake-EP. Skylake-X will be derived from Skylake-EP LCC die.

Just because it's capable doesn't mean it will be enabled. I think we will need confirmation for that. A big reason to disable, would be to move those likely to buy a SKL-X workstation to upgrade to a Xeon workstation (and fetch more $$s for Intel and it's vendors).

 

[Arachnotronic]

Just because it's capable doesn't mean it will be enabled. I think we will need confirmation for that. A big reason to disable, would be to move those likely to buy a SKL-X workstation to upgrade to a Xeon workstation (and fetch more $$s for Intel and it's vendors).

Agreed, but it's a selling point, I think they'll keep it.

 

[cbn]

My guess is that the i5 7400 Pre-built will win on value if the goal is smoothest gameplay with new titles.

Perhaps, where the unlocked Core i3 7350K would shine most (in the Intel line-up) for gaming is when used with mid to high end 28nm dGPUs that can't be repurposed in Core i5-7400 value pre-builts (which typically lack room for such a dGPU and definitely lack in PSU). But even in this scenario it would need some kind of lower cost Z overclocking board to help make it work as a value.

EDIT: Thinking about a Core i3 7350K (with low cost DIY Z mobo) vs. I5 7400 (in a Pre-built) more......perhaps if the low cost Z board (used with the Core i3 7350K) had M.2 PCIe 3.0 x 4 that would help equalize things a bit.

Assuming G4600 (which I suspect will drop to $70 over time) does come with HT then perhaps a DIY mATX system (with M.2 SSD on mobo and relatively high power PSU for repurposed 28nm dGPU) could be the counterpart to a Skylake or Kaby lake Core i3 Pre-built with shorty power connector-less RX 460.

3.6 Ghz Kabylake 2C/4T (without AVX) should do fairly well in driving a midrange Kepler/GCN 1.0 video card. (Think GTX 660 or HD 7870....but perhaps better than that for certain games)

GTX 660 2GB vs. HD 7870 2GB/R9 270 (X) 2GB vs. GTX 950 2GB vs. RX 460 2GB (<---- These are all roughly in the same ballpark)

 

[Sweepr]

One new bit of information that Intel confirmed at the SC16 press briefing was that Skylake-EP will utilize the 14nm plus process introduced first with Kaby Lake. Intel claimed improvements over the original 14nm process so it is great to see this technology utilized on Skylake-EP.

www.servethehome.com/new-intel-xeon-e5-2699a-v4-skylake-ep-details

 

[Sweepr]

Custom? Xeon E5 v5 (Skylake-EP) might go up to 205W TDP.

 

[cbn]

You're probably right, unfortunately. That was one of the great things about the G3258 budget overclocker. It came with a copper-cored stock heatsink, that would generally take the chip as far as a cheap H81 mobo could push it.

Now that's just an added expense for the i3-7350K. So much for being an ideal budget OC CPU.

This $20 cooler looks like a good candidate.

https://www.techpowerup.com/reviews/CRYORIG/M9i/6.html

Notice it actually beats a Coolermaster Hyper 212 EVO in that above test.

Still realize this is a $20 cost adder and due to it being a mini tower cooler it will not provide ventilation to motherboard VRMs (which may or may not be important if we ever get a low cost Z270 aimed specifically at overclocking this chip on budget)

 

[cbn]

With that cooler added in, basically Core i3 7350K becomes the same price as i5 7400.

That is tough.

Then factor in price of Z board and faster RAM (if a person wants to take advantage of the Z boards ability to use that).

 

[cbn]

With some of AtenRA's Core i3 6300 (DDR3 1866), HD 7950 @ 1000 Mhz results noted here, It might be that 4.2 Ghz Core i3 4350K with DDR4 2400 would have passed the test without stuttering.

However, realize that HD 7950 @ 1000 Mhz is also around the level of a GTX 1050 Ti (a card which could be added to a Core i5 7400 or Core i5 6400 value prebuilt).

See, to me this processor seems like a tough fit.

 

[Ajay]

Geez, that chart has only ~40 coolers - sure you couldn't find a bigger one
Anyway, buy a good cooler, keep it for a 6-10 years, and then what does it matter if it's $20 or $60?

 

[cbn]

Geez, that chart has only ~40 coolers - sure you couldn't find a bigger one
Anyway, buy a good cooler, keep it for a 6-10 years, and then what does it matter if it's $20 or $60?

$60 cooler IMO only makes sense if the person is planning on buying top tier gear sometime in the future.

Otherwise, for same price of a Core i3 7350K + $60 cooler a person could get a 4.1 Ghz (turbo) Core i5 7600 (which comes with a stock cooler) and then still save a few dollars. Actually, the savings would be more (in favor of the Core i5 7600) if we also assume the Core i3 7350K user also buys a Z board and faster RAM.

 

[Arachnotronic]

$60 cooler IMO only makes sense if the person is planning on buying top tier gear sometime in the future.

Otherwise, for same price of a Core i3 7350K + $60 cooler a person could get a 4.1 Ghz (turbo) Core i5 7600 (which comes with a stock cooler) and then still save a few dollars. Actually, the savings would be more (in favor of the Core i5 7600) if we also assume the Core i3 7350K user also buys a Z board and faster RAM.

I literally just bought a Z170 board for $40, new.

 

[cbn]

I literally just bought a Z170 board for $40, new.

Did you buy that from a friend? Or perhaps get that in a really good combo deal (like it I did with my G3258/MSI Z97 U3 plus combo for $100 back in 2014)? That is a great price.

P.S. Right now, cheapest Z170 board I can find is this one for $90. (This is $40 to $50 more than the lowest price LGA 1151 H boards). Perhaps, for i3 7350K one of the OEMs will make a Z270 version of this low cost Z97 board (which was intended for low cost overclocking of the G3258), but even I think the value argument might still be hard to make. I guess it depends on how well an OC i3 7350K with some DDR4 3000 (or whatever) scales compared to a Core i5 7400 with DDR4 2133 (or 2400) or even a Core i5 6400 (with DDR3L 1600).

 

[Arachnotronic]

Did you buy that from a friend? Or perhaps get that in a really good combo deal (like it I did with my G3258/MSI Z97 U3 plus combo for $100 back in 2014)? That is a great price.

P.S. Right now, cheapest Z170 board I can find is this one for $90. (This is $40 to $50 more than the lowest price LGA 1151 H boards). Perhaps, for i3 7350K one of the OEMs will make a Z270 version of this low cost Z97 board (which was intended for low cost overclocking of the G3258), but even I think the value argument might still be hard to make. I guess it depends on how well an OC i3 7350K with some DDR4 3000 (or whatever) scales compared to a Core i5 7400 with DDR4 2133 (or 2400) or even a Core i5 6400 (with DDR3L 1600).

Combo deal that included a copy of Mafia 3, worth $60. I was going to buy the game anyway, so net cost to me of the board was $40

 

[TheELF]

but even I think the value argument might still be hard to make.

If the 3.7Gh pentium with HTT comes true the whole i3 class will be hard to be argued for...
60-70% more expensive for barely 15% more speed(before o/c) is a hard sale,unless the i3 will have some other important feature.

 

[cbn]

If the 3.7Gh pentium with HTT comes true the whole i3 class will be hard to be argued for...
60-70% more expensive for barely 15% more speed(before o/c) is a hard sale,unless the i3 will have some other important feature.

WCCF tech listed the lower bin (3.6 Ghz) G4600 also having HT.....but I couldn't find there source.

 

[cbn]

For cheap and affordable horsepower necessary to drive a GTX 1050 Ti 4GB, I think the following 27.5L Pre-built mATX machine (with a drive layout similar to a Fractal design Core 1000) makes a good baseline for other comparisons, both DIY and pre-built:

Acer with Core i5 6400, 1 x 8GB DDR3L 1600, 2TB HD and Windows 10 Home for $399.99 free shipping:

http://www.newegg.com/Product/Product.aspx?Item=N82E16883101452

Pretty amazing value IMO. These OEMs must get Core i5 6400 on the cheap.

 

[TheELF]

Jeez,2.7Ghz is celeron speeds, coupled with the slowest ram and not even DDR4 but DDR3 and a 300w PSU (bare minimum for the 1050ti) ,if the harddrive is a 5400rpm one then we're set...

Yes ok it's good value for $400 with a windows licence but it's also right up there with the worst things you could get.

 

[TheELF]

WCCF tech listed the lower bin (3.6 Ghz) G4600 also having HT.....but I couldn't find there source.

Yeah,they also have this listed,i3 without HT and 35w TDP,obviously someone mixed something up there.

"Core i3-7100 2/2 3.9 GHz TBD 3 MB 35W LGA 1151 $122 (Pre-Order)"

 

[cbn]

Jeez,2.7Ghz is celeron speeds

It does turbo to 3.3 GHz though.

And remember even a stock Core i5 2500K (3.3 Ghz/3.7 Ghz) with DDR3 1600 beat a Core i3 6300 with DDR3 1866 in 3 of AtenRA's tests listed here. (So I imagine a Core i5 6400 with DDR3L 1600 would be a bit faster than that Core i5 2500K with DDR3 1600 due to SKL having a 25% IPC gain over SB.

Overall, Skylake is not an earth shattering leap in performance. In our IPC testing, with CPUs at 3 GHz, we saw a 5.7% increase in performance over a Haswell processor at the same clockspeed and ~ 25% gains over Sandy Bridge.

P.S. Regarding the DDR3 1866, I expect it would be closer in performance to DDR4 2133 than DDR4 1866 due to DDR3 having tighter timings for any given bandwidth.

 

[gbeirn]

Custom? Xeon E5 v5 (Skylake-EP) might go up to 205W TDP.

Socketed Xeon phi

 

[jpiniero]

Socketed Xeon phi

No, this is Core-based. It's been rumored that Intel was going to go to 200+ for some time.

 

[TheELF]

It does turbo to 3.3 GHz though.

But only on one core,4 core turbo is 3.1
http://www.intel.com/content/www/us/en/support/processors/000005647.html

Did any site actually ever do any bench with a sky i5 and ddr3 mem?Would be interesting to see.