I5 4690k best relation between ghz and vcore

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gasolin

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I must admit i made an bit of a mistake, although according to forums i should have been fine with a i5 4460 cpu

Had a i7 4790k (4.5 ghz vcore 1.215) i asked for the price of use i7 4970k's (since i never use my cpu close to 100%) and one thing led to another, i sold it so someone could use all of the massive power the cpu has.

My plan was trying amd fx 6000 or 8000, do to low single core performance i choose the mere reasonable priced i5 4460 but faster cpu, got my self a very cool cpu, but even at 3.4ghz on all cores all the time, i get 95% usages with a gtx 1060 6gb on a 3440x1440 100hz monitor playing projectcars

I use to get something like 85-100fps now 60-80 fps mabye if im lucky i will get 80fps in projectcars

I have ordered a i5 4690k

What i want to know, is what ghz and vcore (can remember what it's called) is the best to aim for since my cpu cooler might get a bit noisy at 4.5 ghz although it doesn't have ht
 
Solution
Ecky
HT is not something games can or can't take advantage of. Hyperthreading adds more hardware threads, much like adding more physical cores. Most high budget games still rely on having fast threads, but also scale beyond 4 hardware threads. GTA V (just as an example) is easily able to spread its load across 12 hardware threads:

GTA5_intel.jpg


FX-8xxx CPUs don't ever have an advantage over i5's and i7's because their cores are so slow it doesn't matter how many there are, but they can trade blows with an i3 (4 threads) depending on how well threaded a game is. GameGPU's testing suggests that Battlefield 1 can heavily utilize up to 5 hardware threads...
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Ecky

Ecky

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Sounds like you need more CPU power than you have, if you're getting lower framerates. You probably shouldn't have sold the i7.

Voltage is different for every CPU. You should see how high you can get your CPU without going over ~1.30v, and 1.25v is probably better. Higher voltage may reduce the life of your CPU.
 
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gasolin

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I do get a bit more with an i7 at 4.5ghz........just google it before i bought it, an i5 4460 should have been okay, atleast it's cool so i don't get as much noise as 4.5ghz vcore 1.215 and ht, it does peak at 95-97-98% playing projects cars at 3440x1440 100hz, i have adjusted games so they run no less then in the 90's

According to anandtech it's 4.3-4.5 ghz and 1.125-1.200 vcore

I don't think i have to go over 1.200 volt at 4.5 ghz, my i7 ran 4.5ghz with ht at 1.215 volt

I wil never ever buy a non overclockable, thats for shure :pt1cable:
 
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gasolin

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I know i atleast have to go 4.0ghz og use it at the turbo speed 3.9ghz on all cores (currently running at 3.4ghz on all cores with my i5 4460)

Does anybody know when an i5 4690k won't bottlecnk a gtx 1060 6gb (stay way beyond 90% "temps" and still give enough fps)
 
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Ecky

Ecky

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It depends entirely on the game and target framerate. i5's are usually good for 60fps in most games, but if you want higher (100-144hz monitor) you really want an i7. GTA V is an example of a game that will often drop below 60fps on an i5 with any overclock, because it's so CPU heavy.
 
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gasolin

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Not playing gta V but bf 1 in a few days or next month
 
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gasolin

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OMG OMG OMG i thought a moderne i5 K cpu can handle ANY single gpu without bottleneck it and without not giving max fps
 
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Ecky

Ecky

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That's sortof true. If you have $400 to spend, and you can spend $200 on an i5 and $200 on a video card, or $300 on an i7 and $100 on a video card, the i5 would be better because it's important to have a fast video card too. Most people consider them adequate for 60fps gameplay in modern games, and most people have a non-infinite budget, making i5's a good value. However, i7's exist for a reason, and if you're looking for more than 60fps you probably should get an i7.
 
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gasolin

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well people say the difference is only ht and no game take advantage of ht, with directx 12 cpu overhead (i think it's called) is gonna make cpu less relevant than with directx 11 AND multicore is only an advantage in a few games where fx 8000 have an advantage over i5/i7 like in bf4
 
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Ecky

Ecky

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HT is not something games can or can't take advantage of. Hyperthreading adds more hardware threads, much like adding more physical cores. Most high budget games still rely on having fast threads, but also scale beyond 4 hardware threads. GTA V (just as an example) is easily able to spread its load across 12 hardware threads:

GTA5_intel.jpg


FX-8xxx CPUs don't ever have an advantage over i5's and i7's because their cores are so slow it doesn't matter how many there are, but they can trade blows with an i3 (4 threads) depending on how well threaded a game is. GameGPU's testing suggests that Battlefield 1 can heavily utilize up to 5 hardware threads and lightly utilize up to 3 more, making a Core i7 the ideal CPU for that game:

b1_amd.png


b1_intel.png



Please do research before taking people's word for these things, even mine. I read about this stuff constantly and try to educate myself to make the best buying decisions and give the best advice, but I'm certain that I don't know everything. However, what I do know suggests that an i5 is "good enough" for all modern games, but that there is a difference in performance between an i5 and an i7 in some, especially if you're chasing framerates greater than 60.

EDIT: Regarding DX12, it allows for games to better distribute the load across cores, but don't expect developers to leave extra CPU cycles unused. You'll probably see CPU requirements increase, rather than decrease, as DX12 allows better utilization of multicore CPUs.
 
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