i5 2500k bottle necking GTX 780ti?

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Sa1nT_Ch3wy

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#1  Edited By Sa1nT_Ch3wy
Member since 2009 • 147 Posts

I have noticed in some of my games that my performance isnt exactly great. For example, Skyrim it is mainly 60 fps, but in cities I do get drops into the 40's. Battlefield I constantly get frame rate drops no matter what settings I have them set to. Same with Assassins Creed IV, random frame rate drops. It is rather annoying.

Right now I have the cpu over clocked at 4.2 ghz. Any higher, and my system won't post. So a higher over clock is out of the question. So would it be beneficial for me to upgrade to possibly a i7 4770k? I head that the hyper threading might help out more in this new current gen. Thanks for any input!

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04dcarraher

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#2  Edited By 04dcarraher
Member since 2004 • 23824 Posts

No your cpu @ 4.2 ghz will not bottleneck the 780ti. Skyrim is skyrim... and has a set fps limit of 60. Which BF game are you talking about 3 or 4? Also to point out that AC 4 is poorly coded and only uses two threads"cores" which hurts the gpu's ability to get the data it needs. How much memory do you have? What PSU are you using, and have you tested that i5 overclock to see if its stable with intel burn test? What kind of temps are you seeing with your cpu/mobo and gpu while playing? Also dont rule out a data streaming issue from the harddrive.

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Sa1nT_Ch3wy

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#3  Edited By Sa1nT_Ch3wy
Member since 2009 • 147 Posts

@04dcarraher: I am playing Battlefield 4 and with Skyrim I understand that 60 is the max and I am okay with that, what bothers me is the massive frame rate drop. All of my games are on a SSD. I have 16 GB of ram, and I use a Corsair GS700. No I have not tried the intel burn test. I have been happy with 4.2 and haven't had any problems with it so far. As far as temperature the cpu stays in the 40's and the gpu is in 60-70s

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#4  Edited By GeryGo  Moderator
Member since 2006 • 12803 Posts

Clock speed is what matters the most like @04dcarraher said; but newer module will also be more efficient; comparing the 780ti with 2500K, 4670K and 4770K you'll notice different fps.

In terms of is it performance/price wise? - no.

It is recommend to go high end GPU with high end CPU if you have that kind of option.

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deactivated-5a9b3f32ef4e9

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#5  Edited By deactivated-5a9b3f32ef4e9
Member since 2009 • 7779 Posts

My 4770k is quite a bit better than my old 2500k (roughly 50% in CPU-bound situations) but if you're running 60Hz then it probably isn't worth the upgrade.

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#6  Edited By JigglyWiggly_
Member since 2009 • 24625 Posts

Yes it is a bottleneck in some cases. I don't think you should be dipping down to 40 in BF4, but that game isn't a good indicator because it's horribly optimized compared to BF3.

4.2 ghz is quite a low overclock, you should be able to do at least 4.4+. Try setting your cpu voltage to 1.4 volts and you can try 4.6 ghz.

iirc you can unlock skyrim's fps if you force vsync off in the nvidia control panel, I don't remember doing anything special to get get fps over 60

You might want to disable core parking if you're on windows 7, it helps quite a bit. Not necessary on windows 8 though. A 4770k would be a noticeable upgraed if you want a 90+fps experience at all times. Most games should run at 150+ on a 4770k oc'd to about 4.6 ghz.

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#7 deactivated-5a9b3f32ef4e9
Member since 2009 • 7779 Posts

Yeah my 2500k dropped down to the low 50s/high 40s on some maps in BF4. Shanghai I think, terrible performance on team deathmatch.

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04dcarraher

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#8 04dcarraher
Member since 2004 • 23824 Posts

You have a under lying problem somewhere

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#9 deactivated-5a9b3f32ef4e9
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@04dcarraher said:

You have a under lying problem somewhere

Yeah Skyrim shouldn't be dropping frames, it's easy to get 100fps on it.

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#10 04dcarraher
Member since 2004 • 23824 Posts

@Postmortem123 said:

@04dcarraher said:

You have a under lying problem somewhere

Yeah Skyrim shouldn't be dropping frames, it's easy to get 100fps on it.

An 4.2ghz i5 is more then enough for all those games (besides AC4 known to be coded badly). Even BF4 he should even at stock shouldn't go below 60 fps, and average near 90 fps. A 4.2 ghz should be seeing 80 min and 100+ average.

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#11  Edited By deactivated-5a9b3f32ef4e9
Member since 2009 • 7779 Posts

No way you'll average 90fps on BF4 with an i5. Maybe with Mantle...

EDIT: unless you just play the non-demanding maps.

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^ FRAPS run of Domination on Shanghai a few weeks ago with my i5 and 7990.

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04dcarraher

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#12  Edited By 04dcarraher
Member since 2004 • 23824 Posts

@Postmortem123 said:

No way you'll average 90fps on BF4 with an i5. Maybe with Mantle...

EDIT: unless you just play the non-demanding maps.

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^ FRAPS run of Domination on Shanghai a few weeks ago with my i5 and 7990.

Single gpu setup.... your 7990 is a dual gpu, then have to fight with AMD drivers with those dual gpu cards... with a single titan you average with stock i5's is around 90. With gpu's like a GTX 680 or 770 averages with an i5 at 4.2-4.3ghz are in the upper 70's lower to mid 80's. With a 4.2 ghz i5 with 780ti should be beyond the 90 averages.

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#13  Edited By deactivated-5a9b3f32ef4e9
Member since 2009 • 7779 Posts

My 780 Classified got a similar FPS. My CPU usage was 100% on every core.

Benchmark on my OC'd 4770k and 780Ti:

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Much better results.

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#14  Edited By 560ti
Member since 2013 • 199 Posts

You should be fine.

2500K overclocked should be giving you basically the same performance as a stock 4670K (which is a $230 CPU).

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#15  Edited By Sa1nT_Ch3wy
Member since 2009 • 147 Posts
@Postmortem123 said:

Yeah Skyrim shouldn't be dropping frames, it's easy to get 100fps on it.

Yeah I never drop frames in the wilderness but in certain spots in the cities it just drops and its so jarring. For example when walking first into Solitude, it fluctuates between 45-55 until the bridge and then shoots up to 60 again. I am using mods and enb. but even with the enb turned off I only get a 3 fps boost.

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#16  Edited By Sa1nT_Ch3wy
Member since 2009 • 147 Posts
@04dcarraher said:

An 4.2ghz i5 is more then enough for all those games (besides AC4 known to be coded badly). Even BF4 he should even at stock shouldn't go below 60 fps, and average near 90 fps. A 4.2 ghz should be seeing 80 min and 100+ average.

When I turned off the vsync I did get my frame rate to hover around 120-130 fps, but then I got those frame rate drops and it really is very annoying to the point I dont even want to play. I know first world problems lol. But its not all the time with random frame rate drops, like on Paracel Storm when the hurricane comes and your looking from point A to point B, my fps hovers in the 50s. Even tried turning it down from ultra to high and got no difference.

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#17 04dcarraher
Member since 2004 • 23824 Posts

You could try in the Nvidia control panel change the max pre-rendered frames and see if it helps.

Ive seen people complain with stuttering even with i7's, "This game stutters bad on my i7 4770K @ 4.3 GHz 16GB of DDR3 1600 RAM, and 2 GTX 770's superclocked in SLI, whether in SLI or not in SLI the game stutters. High FPS but bad stuttering. Only game I own that does this."

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#18  Edited By Elann2008
Member since 2007 • 33028 Posts

Framerate issues in BF4 isn't an isolated issue to i5's.. just so you know. Heh.

And the fact that your framerate is dropping in Skyrim proves that there is something wrong on your end. That game runs 60fps without a hitch with several mods running on my PC which has an i5-2500k and GTX 670 Sig 2.

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#19 horgen  Moderator
Member since 2006 • 127492 Posts

From my experience with Skyrim (there may have been patches released after I played it since it is a long time ago now) was that I could get a stable 60fps almost everywhere with a GTX680, except one place in Markarth I think.

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#20 kraken2109
Member since 2009 • 13271 Posts

@horgen123: Yeah markath is pretty bad, drops me to ~25

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#21  Edited By deactivated-6127ced9bcba0
Member since 2006 • 31700 Posts

780ti doesn't bottle-neck an i5-2500k. Even when it isn't overclocked.

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#22  Edited By vfibsux
Member since 2003 • 4497 Posts

I only have an AMD Phenom 965 oc'd to 3.8ghz with a 570 and I run 156 mods (graphics mods included) in skyrim with no issues maxed out at 1080 res. You may be bogged down with processes and other crap running you don't need, try using game booster and shut off crap not required when starting a game. I actually use advanced system care turbo boost first, then run the game using game booster. In certain games (esp cpu heavy ones like DCS A-10C) I get a huge performance boost.

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#23 nicecall
Member since 2013 • 528 Posts

dont upgrade to a 4770k from ur 2500k. I had a i7 2600k and upgraded to a 4770k and had very small gains. I still have use for my 2600k but it was no advantage, really 5-10% speed increase in games, and maybe 15-20% in video compression. But i had a i7 2600k, which did have hyperthreading... but a game like skyrim i dont remember using more then 2 cores anyways... really i wouldnt upgrade until u see a real point... and its a warning that you won't gain more then 15fps for your game... maybe even less.

Also with my 2600k i could overclock it to 4.8ghz easily and my 4770k i can only hit 4.5ghz, which made the 2600k able to almost match the 4770k with those 300mhz extra clocks in some tests.

I know u have an i5, but thats still 4 cores and not many games out yet that use more then 4... i'd wait for a next gen intel cpu to come out and then maybe upgrade for more of a noticeable benefit.

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#24 Elann2008
Member since 2007 • 33028 Posts

@airshocker said:

780ti doesn't bottle-neck an i5-2500k. Even when it isn't overclocked.

Exactly. I do not understand the posters that believe it does..

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#25  Edited By cashnmillions
Member since 2004 • 993 Posts

Short answer, no depending on the game. Crysis 3 you may be missing out on 5-10fps with a faster CPU. http://www.tomshardware.com/reviews/crysis-3-performance-benchmark-gaming,3451-8.html for BF4 no. http://www.tomshardware.com/reviews/battlefield-4-graphics-card-performance,3634-10.html