7600K vs 7700K for 1440p gaming

devlamania

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Mar 9, 2017
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I'm building a serious gaming PC for the first time in my life. Since I've decided to get a GTX 1080 since the prices have dropped, I'm concerned if I need to go for a 7600K or 7700K.
I'm building this for gaming specifically, and a bit of music editing or running a few VMs for other stuff.
But in terms of performance I'm primarily focusing on gaming, for creativity stuff, I can wait a few seconds compared to 7700K.
I've seen reviews suggesting 7700K having an edge over 7600K, but how much would that differ on 1440p cause the difference is evident, e.g. Division.
7700K is a good 7,500 INR costlier than 7600K, not that I need to allocate that money on anything, but I'm just trying to be strict on "necessity with price-to-quality in mind" than "abundance".
 
Solution
Well performance will depend on the game, some games can see a large boost with an i7 that would be noticeable especially if you have a high refresh rate 1440p monitor. The i7 will mainly help in achieving higher peak and 1% low framerates, though average frame rate would largely be the same between a 7600k and 7700k in most games. An i7 will certainly help with virtual machines as you have 8 threads to work with vs 4. However for gaming when considering value for money I would certainly say the 7600k is the better buy, or the 7600 non k if you don't plan to overclock. I linked a watch dogs 2 bench below, this game is very cpu heavy and one of the few that shows this big of a difference between i5s and i7s. It is at 1080p though, at...
the difference in gaming between the two will be small. most of the benchmarks I have seen on this comparison were at 1080p and only showed 2-3% difference in performance between the two. the difference will be greater at 1440p, but I can't imagine it being more than 6-7%. There will be larger differences in synthetic benchmarks and video editing or rendering though.

If you're focused on gaming only, i'd recommend the 7600K and save the 7500INR.
 
Well performance will depend on the game, some games can see a large boost with an i7 that would be noticeable especially if you have a high refresh rate 1440p monitor. The i7 will mainly help in achieving higher peak and 1% low framerates, though average frame rate would largely be the same between a 7600k and 7700k in most games. An i7 will certainly help with virtual machines as you have 8 threads to work with vs 4. However for gaming when considering value for money I would certainly say the 7600k is the better buy, or the 7600 non k if you don't plan to overclock. I linked a watch dogs 2 bench below, this game is very cpu heavy and one of the few that shows this big of a difference between i5s and i7s. It is at 1080p though, at 1440p the gap would likely close up a bit due to more load being put on the gpu and less on the cpu.

watch-dogs-2-cpu-benchmark_1.png
 
Solution


There would actually be less of a difference in cpu performance at 1440p or above. At higher resolutions the gpu has to work harder and will likely become the bottleneck if it wasn't already, when the gpu is producing less frames that means less draw calls for the cpu to calculate and thus lower cpu usage.

An article on the topic if you're interested: https://medium.com/@toncijukic/draw-calls-in-a-nutshell-597330a85381#.lfxwwf3io
 


That was very elaborate, thank you very much. I'm going for a 7600K next weekend.
 


I would suggest 7600K as you only there for gaming and overclocking unless using more than just gaming like video editing...heavy photo shopping, and multiple virtual machines usage... - the Intel i7 7700K is for you.
 
Not to necro a dead thread, however for any of those viewing this now, at 1440p this date, the cost to enter with solid monitor/gpu setup is ~$800; are you really going to fret over spending an additional $100 to an already several hundred, to purchase an i7 when it's clear non-ht quad cores are most likely in their outro phase from modern architectures?
 


Well I took 7700K. Thankfully I didn't take a 7600K, since it gave me an extra longevity considering the CPU core war going on between AMD and Intel now.
With 7700K, I actually had to go for Noctua NF F12 3000 RPM fans since the SP120L on H100i V2 was pure ****. Now during the very hot days it does reach 70C on Load test but since its rainy season now, I see it barely crossing 65C (@ 4.6).
Still have to delid it though for reaching that 5.1/5.2 Mark, since 4.8 gave me a above 75C.

But I sure see that how much difference 7700K is doing and now I agree to a lot of people who advised me earlier, save a bit more money to go for higher tier to get a 5 years of solid CPU.

I took a GTX 1080, benchmarks shown GTX 1080 was actually being bottlenecked by 7600.
Yes its a overkill for 1440P gaming, but again, this is a big investment and its better to future proof.
 

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