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How good is Skylake?

post #1 of 21
Thread Starter 
Hey all,

I am seriously considering buying a brand new cpu/mobo combo. LGA1155 boards are quite pricey and I really need to change the one I currently have. Can't even control voltage frown.gif

The build would cost me 530$CAD (325$ for the 6600K + 190ish mobo). I am thinking getting the gigabyte gaming 5. The Asus Pro is also considered but a bit more expensive.
A i7 is out of reach for me at the moment at 480$CAD...!

How do you like your CPU? How well does it clock? How better is it compared to sandy?
I want to watercool, will I need to delid to get full benefit or the TIM is good enough?

Cheers
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post #2 of 21
How good, huh, it really depends on what you are planning on using the system for. As a gamer I really dont feel any practical differance between the ivy bridge and the skylake to be fair other than higher ipc = a few more fps in best cases (which once again is dependent on the resolution, game, and in game settings).

If you go from a 2600k to a 6600k you make a downgrade sort of because the cpu you have now has 4 cores and 8 threads opposed to the 6600k which only has 4 cores.

In terms of overclocking it goes down from sandy. Dont be suprised if you cant reach more than 4.4ghz with the use of 1.35v or more/less. A 6600k might perform similar to a 2600k in games using more than 4 cores since the higher ipc will help, but I would really like to see you get the 6700k instead because that is the proper choice according to pretty much all benchmarks. If you want a faster cpu then you can always get the 4790k since it perform almost similar to the 6700k but cost less. Since the 4790k clocks better it can actually perform faster than a clocked 6700k due to the more OC potential.

The only reason to get the skylake for me if you gaming is you get the newest plattform. Other than that I bet in all games a clocked 4690k and 4790k will be the same as clocked 6600k and 6700k in terms of fps.
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post #3 of 21
Your GPU will heavily determine how good your game-play is, the CPU doesn't make that much difference (and why should it? games have been optimized for GPus not CPUs, that is why we use GPus instead of CPus for games, if game developers can't utilize HT what makes you think they can properly utilize new CPUs). I would get a 6700K and not look back. I have two Skylake CPUs, a 6700K and a 6600K (they are both engineering samples tho), the 6700K does 4.8Ghz the 6600K does 4.7ghz, then again my cooling is decent and I know what i am doing (disabling RSR, measuring correct VCore and so on). Overall you might as well go with the latest generation stuff, Intel doesn't really drop prices on previous generations K SKUs, so why bother going with one of them over a newer uarch?

The platform is also much better than really anything before it. If you need more cores then get X99, but your wallet might hurt.

I also want to add a question, why/what do people base their IPC percentage increase on? People are like boo when it comes to 10% IPC, and I ask why would you/could you expect more? Moore's law is dead and we are reaching the end of the usefulness of materials we use, so why is 10% bad?
Edited by Sin0822 - 10/26/15 at 1:21am
    
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post #4 of 21
Thread Starter 
I currently have a r9 290. In witcher 3 ultra, it's running at 100% but I can see some dip in gpu use. The 2600K is stock.
I don't intend to upgrade the gpu soon if I upgrade skylake.

I have twp options:
1- Dip 200$CAD in an used lga1155 to overclock the 2600k.
2- buy slylake.

Selling the cpu mobo combo will net 280$CAD. 530-280=250
Selling the mobo (signature) might get me ~70$ on ebay. So 130$ for a lga1155 board.
For a hundred extra... why not grab skylake? I forgot to add the ram. I prefer not to count it because the kit is probably going to last a decade tongue.gif

My current DDR3 is 1.35v capable... wonder if I can use it on any DDR4 board?
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post #5 of 21
Quote:
Originally Posted by Just a nickname View Post

I currently have a r9 290. In witcher 3 ultra, it's running at 100% but I can see some dip in gpu use. The 2600K is stock.
I don't intend to upgrade the gpu soon if I upgrade skylake.

I have twp options:
1- Dip 200$CAD in an used lga1155 to overclock the 2600k.
2- buy slylake.

Selling the cpu mobo combo will net 280$CAD. 530-280=250
Selling the mobo (signature) might get me ~70$ on ebay. So 130$ for a lga1155 board.
For a hundred extra... why not grab skylake? I forgot to add the ram. I prefer not to count it because the kit is probably going to last a decade tongue.gif

My current DDR3 is 1.35v capable... wonder if I can use it on any DDR4 board?

2600k to 6600k is kind of a downgrade, 4c/8t vs 4c/4t.

DDR3 ram is not compatible in DDR4 slots.
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post #6 of 21
Thread Starter 
I really don't use HT that much... matlab don't take advantage of it and it's the only cpu intensive program I use. Back in the day I needed it to run lot of virtual machine but not doing that anymore.
I feel like ht is a bit over rated.

Isn't skylake something like 40% faster per clock than sandy? I am surprised 8thread sandy is considered a downgrade 4thread skylake.
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post #7 of 21
Quote:
Originally Posted by Just a nickname View Post

I really don't use HT that much... matlab don't take advantage of it and it's the only cpu intensive program I use. Back in the day I needed it to run lot of virtual machine but not doing that anymore.
I feel like ht is a bit over rated.

Isn't skylake something like 40% faster per clock than sandy? I am surprised 8thread sandy is considered a downgrade 4thread skylake.

Definitely not. Clock for clock it'd be closer to 20%. And then of course anything that did make use of HT, the gap would be even smaller.
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post #8 of 21
In cpu heavy games like witcher 3 or gta V, i5 6600k is definately NOT a downgrade from a i7 2600k.

i5 6600k OC matches and even surpasses a i7 4790k OC.

https://www.youtube.com/watch?v=JWxncqbe1H8

For around 230$ it's a very good cpu, but I wouldn't know if I would buy it for 325$, I feel sorry for canadians, thats even way more than we pay in europe.
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post #9 of 21
I never go backwards - but that is not too say I wouldn't if a real bargain was put under my nose - my last build was a i7920 and lasted me well, now sitting around sisters house for her to play on and for i if need be.

Like said before, prices hardly go down on older specs thumb.gif

So Skylake? Yes, its good thumb.gif
post #10 of 21
A 6600k dont outperform 4790k in games using more than 4 cores, also the differance in ipc between former generation and skylake is very little, around 2%. In all games using more than 4 cores/threads the i7 will perform better than the i5 according to benchmarks. Of course this might not be visible in single player games where you are rarely cpu bottlenecked, but in multiplayer mode definatley. it is all about the game you are playing, thats why some people think the i7 is the safer bet you have HT that will help you a bit just in case.
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Intel i7 6700K Asus Z170 Pro Gaming KFA2 GTX 1080 Ti EXOC Corsair LPX 16GB (2x8), 2133Mhz 
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Western Digital WD15EADS 1.5TB Samsung 840 250GB Crucial MX100 256GB Alphacool Eisblock XPX 
CoolingCoolingCoolingCooling
Alphacool ST30 360mm Alphacool ST30 140mm Alphacool Eisbecher 150mm Alphacool VPP655 
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Masterkleer (10/13mm) Compression fittings (10/13mm) Corsair SP120 High Performance Phobya 6 Touch 30W 
CoolingCoolingCoolingCooling
Aquacomputer Kryographics Titan X (Pascal) Aquacomputer Active XCS backplate Watercool Heatkiller SW-X MB-Set Alphacool Monsta 240mm 
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