144HZ gsync with 1080 ti to upgrade cpu or not ? That is the question

Recaros

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Aug 1, 2017
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Hey so I have a Dell S2716DG which is 144HZ 1ms and gsync 1440P. I also have a Dell U3415w which can OC to 75 HZ and has like 5 ms No Gsync 1440P. I have a asus strix 1080ti on a asus hero alpha Mobo. with 16 Gb Trident 3200. Im swaping cases and going mini itx so im changing Mobo to a Asus Strix z270i. I do have and plan to keep my current AIO water cooler which is a corsair h100i. So the only reason why im changing the Cpu is because of the mobo change. I have currently an i5 6600k OC to 4.7 GHz and was thinking about upgrading but dont know if its worth it with my current setup and for what i do. I was thinking about upgrading to an i7 7700k. I only game on this pc I do Not do any video editing or anything else . I play AAA titles just incase that was a question. I dont want to just throw money away , so if the performance increase will be minor then no need to upgrade. Thank you for your help and time !
 
Solution


The CPU change from the i5-6600K to an i7-7700K is significant is most games (esp. those that utilize higher thread counts) but not that significant in others (though there will still be FPS increases due to higher clock speeds of the i7). I can't find specific benchmarks comparing the i5-6600K (at 4.7GHz OC) and the i7-7700K (also OC'd), but, here's one with the i5-6600K at 4.5GHz and the i7-7700K at stock speeds:
[video="https://www.youtube.com/watch?v=4662aCVB_4c"][/video]

It boils down to your personal preference if such FPS increase is worthwhile to you, depending on the games you play and graphics settings you use. As you already have the i5-6600K and the GTX 1080 Ti to test your games, you would know if you feel the need to increase performance based on your current gaming experience/FPS output. If some of your games produce lower-than-expected FPS, the i7-7700K will help, but as to which specific games and specific performance increase, that depends on how the games utilize the threads as shown in the benchmark video above.
 
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