How much better is the i5 6600k than the i5 6600?

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Apart from the 200MHz difference they are identical. Imagine two identical cars. One(K) has the hood open so you can tune it to your heart's content. The other car(non-K) is locked down and all you can do it drive it.

You are buying a Z170 board. Why not take advantage of that value and go ahead with the K series CPU?

That isn't a high end GFX card that could really benefit from the 120MHz monitor. I don't see your average FPS at or above 120FPS. I'd stick...
It's not by how much, but it's because it's unlocked. This means that you can overclock the CPU. In fact, I have the 6600K and have it set at 4.4Ghz. The bus speed out of the gate is 3.5Ghz. Again, it depends on you. Also, you need a Z170 motherboard to overclock.
 
Depends on how you intend to use them. The stock configuration has the -k version running 200 MHz faster, otherwise they're identical except for the ability to OC at will. That small difference in clock speed isn't too meaningful. If you want maximum CPU performance, getting a -k version and overclocking can make a difference. Otherwise, the price premium can go into other areas of the overall build.
 

PC-4LIFE

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Both motherboards in the above builds are using z170 chipset. Without any overclock though, both CPUs turbo boost to 3.9Ghz, so they will function equally well? And do you know which of the 2 builds would work better with no overclocks?
 


Apart from the 200MHz difference they are identical. Imagine two identical cars. One(K) has the hood open so you can tune it to your heart's content. The other car(non-K) is locked down and all you can do it drive it.

You are buying a Z170 board. Why not take advantage of that value and go ahead with the K series CPU?

That isn't a high end GFX card that could really benefit from the 120MHz monitor. I don't see your average FPS at or above 120FPS. I'd stick with the 1080p 60 or 75Hz models.

One other difference is that the 6600K won't come with a stock cooler. Intel expects the user will overclock necessitating an aftermarket cooler so they decided to save some money(and waste) and not include a cooler/fan combo. Did that change their stance on overclocking? No. It will still invalidate the warranty. Make sure you buy an aftermarket cooler if you buy the 6600K
 
Solution


As far as the CPUs themselves, at stock speed there will be a very slight edge to the -k version. It's nothing to get excited about. As far as the builds posted, it seems the difference aside from the CPU choice is monitor. If you want to get really technical, the higher refresh rate of the better monitor would put a bit more stress on the system, though it has the chance to look better.*

Though what the poster just ahead said has merit too. For a mid-range build a fast switching monitor can be wasted.
 
Turbo Boost only occurs in short bursts so the 6600k would be marginally better, but there's little point getting a DDR3 board with a 6th Gen Intel CPU. On the other hand theres no point getting a z170 board with the 6600 as you wont be able to use any of the overclocking features anyway.
 

PC-4LIFE

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I'm not too worried about the graphics card. I mainly play csgo which is CPU intensive. You really think I wouldn't get even 120 fps? I get about 60 fps with a 2.9Ghz turbo boosted i5 2410m on my laptop, I can't believe that I wouldn't get over 200 fps with an i5 6600.
 


In general with AAA titles? No. CS:GO? Yes. GFX card heavy titles like BF1? No. A 120Hz monitor with Gsync? Now that I think would be a better fit for this scenario. A monitor that could grow with the system. Help with the low frame rates when it falls below the 120FPS threshold but also will be there with screen-tearing or other issues at extremely high framerates. With Gsync's adaptive refresh rate in play it offers more value. BUT. ALl that is moot. It's well outside of your monitor's budget.

With the two options I'd have to pick the 75Hz monitor.
 

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Not sure about resolution. It's a 60hz display. The laptop I have is a Dell XPS 15 L502X. CPU is i5 2410M, GPU is GT 525M.
 

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Resolution is 1366 x 768.

One question, how much better is the MSI GeForce GTX 1050 Ti 4GB GAMING X 4G Video Card than the Zotac GeForce GTX 1050 Ti 4GB Mini Video Card?
 
A few fps better at stock with the slightly higher clockspeed, but obviously the gaming card has better cooling so is more overclockable, and if you do OC the GPU it will probably give you a good 10-20fps more, but there isn't a lot of difference..