i7 2700k will bottleneck Nvidia gtx 1080

Alinashul

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Jun 2, 2016
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Hello guys , i sent my nvidia gtx 770 to warranty and they gave me the money back.I want to wait for the custom Gtx 1080 to come out because founders edition i read on the internet that it doesn't have such a good air cooling + it's more expensive.

My question is , is my i7 2700k (not overclocked , my lame ass motherboard can't overclock) good enough to not give me bottlenecks with the new GPU ?

these are my pc specs :
CPU: i7 2700k 3.5Ghz - 3.9Ghz in turbo with a Noctua NH-U9B SE2 cooler
Ram : ddr3 8GB 1333mhz
MOBO : h67ma-usb3-b3
PSU : Corsair CS750M 750 W Modular.

I wanted to buy new CPu , mobo and ram but my GPU failed and now i need a new one , so i have to postpone the new system for a new GPU.
Maybe next year i will upgrade it .I'm still searching the net for a LGA 1555 Mobo that i can buy with overclocking capabilitys.Thx .
I live in Spain.
 
Solution
Here's an interesting comparison video from Digital Foundry....

https://youtu.be/VDo-j00vUtw

I know they use an i7 2600k and the older GTX Titan X, but you get a feel for how a different CPU will impact frame-rates.

It's clear that even a stock i7 6700k will bottleneck the GTX Titan X in certain games. Albeit very slightly.
I guess there wont be a bottleneck worth buying a new cpu+mobo for.
For example if your pair a i7 6700k with the gtx 1080 and it gets 120 fps than your cpu will get around 100 orso.
I dont know it precisely ofcourse, but the i7 2700K is still a strong processor.

What games will you be playing?
 

maxalge

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overclock it a bit and it will ride well, sadly your motherboard is not good enough to do so

and your power supply is bad as well


=(


so not good enough for a 1080 no


BUT, if you plan to upgrade in the near future then by all means it would still be a huge upgrade



OR you could get a gtx 1070 and upgrade to a i5 6600k and z170 setup for the best bang for buck
 
Looks like your CPU performs along the lines of the one in this benchmark: -

http://www.passmark.com/baselines/V8/display.php?id=62869243936

With a GTX 1080 on maxed out settings in a CPU intensive game you will experience some bottle-necking, but it would be nothing too severe, as others have said.

It's a pity you cannot overclock it, as that would alleviate any issues in the short and medium term at the least. I have heard of people pushing them to >5GHz etc.

An ASUS P8Z77-V motherboard would do the job for a CPU overclock, but they are still pretty expensive - about 180€ in my country for the cheapest I could find.
 

maxalge

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it was not made for gaming systems, it uses cheap parts

not wise to stress it with overclocking and such
 


If I were you I wouldn't upgrade that cpu yet, like I said it's still very powerfull.
It's not that this cpu will go under 60fps on 1080p/1440p.
if you're not confident yet, you can also get the new gtx 1070 ofcourse?
 


It's not bad, it's OK. You will be fine with it.
To your question:
YOU DON"T NEED 1080 :) It's a complete overkill for your gaming unless you have 4K monitor. Go with 1070 for 1080p or 1440p monitors. On the spared budget get an awesome PSU like Corsair RM650 and you will still have change to buy WoT premium account for few months ;).

Upgrade your mobo/cpu/ram as a package later.
 

demoth

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Jun 4, 2016
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My vote is get a good Z77 motherboard for under $50 if you get a good sale and wait a few days as 1070 GTX overclocked results come in. There are few games, let alone the ones you named, that will bottleneck the 2700K going on past 1080ti and beyond which a Z77 MB with PCIe 3.0 should be fine with. Save your money for a 29+" 1440P screen with Gsync which are rapidly falling in price.
 

Alinashul

Commendable
Jun 2, 2016
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"Never a bad idea to buy components that can handle themselves after power loss. " sorry but i don't really understand what you really mean by that.
Also i have 1 more question , i am looking to buy a new mobo for socket 1155 that works with my i72700k so i can overclock it if i need to , until mid next years when i will buy a new MOBO cpu and RAM . do you know something about this one ? GA-P67A-UD3 (rev. 1. 0) . Can it overclock ? i looked on the producer website and it said nothing about overclock , except the CLOUDOC from Gigabyte , but thats supported on my current MOBO also and mine cant overclock .

PS : any direct way to identify if a MOBO can overclock ? that way i don't have to ask every time i see one ( cuz this GA-P67A-UD3 (rev. 1. 0) is a sale from private user maybe until you answer healready sold it ) .
THX
 


oh i didnt notice h67. still though even in the worst case scenario one may gain 10% more fps. this may change in the future but there really are not any conclusive benchmarks showing any appreciable gaming performance gain from sandy bridge moving forward. i could see a possible arguement for a high refresh 120hz+ monitor but at 60hz the jury is still decided. a $350 6600k+z170+ddr4 "might"(huge might) get you from 50fps to 60fps in a small handful of games in a small handful of areas of the game.

if anybody has any non digital foundry(hugely intel biased) cpu benchmarks that show any real gaming improvement in intel i5/i7s cpus over the last few generations i would love to see them.
 

Alinashul

Commendable
Jun 2, 2016
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anyone knows if this MOBO can overclock ? GA-P67A-UD3 (rev. 1.0) . I found it at a store at second hand at 80 euros . Also how can i check on the net if a mb can overclock ?
 


Before you go and upgrade your MB, just install the new graphics card. The "bottleneck" is overrated and misunderstood.
You will have better visuals and higher FPS than before = PROFIT :)
So save the 80 euro for the next upgrade (CPU+MB+RAM) which you don't really need now.
 

D BIIJOU

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Aug 21, 2014
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I don't feel like people are explaining it well here, The only time a 2600k will fall behind a 6th generation chip is when the graphics card is processing so quickly that the CPU becomes a bottleneck, which in turn a capable processor with better architecture (i5, i7) will pull ahead; However, these scenarios only occur at higher frame rates due to a lack of graphical taxation (e.g lower resolutions). The 2600k is definetly still relevant, i7 6700k performs in games that are not as graphically demanding around 15-20% better usually from (example) 90fps (2600k) to around 105fps (6600k). At which the framerates you are getting are practically surplus. These games are like GTA V at 1080p, however games like Metro Last Light that are graphically demanding will see little to no improvement with a CPU upgrade. Plus, the new i7s are expensive, and the i7 2600k is better for productivity in most cases compared to the new i5s (e.g rendering). Its definetly not worth investing any more money into an outdated platform, so I would save up until you can get an upgrade WORTH getting. In terms of your PSU, in worst case scenarios, yes PSU failure may result in damaging our other components but thats often with alot worse units than the CX line up, however due to insufficient amps on the main 12v rail, and substantial ripple, I'll never recommend overclocking with that PSU, a recommended upgrade is the EVGA SUPERNOVA line, which is classified as a "tier 1" PSU on the PSU Tier List, here's the link: http://www.tomshardware.co.uk/forum/id-2547993/psu-tier-list.html
 

jtk2515

Distinguished
I'm still in Shock that someone called the Corsair CS750M 750 W a bad PSU to run a 330W load. Then recommended a Corsair RM650 to replace it. BOTH are Gold Rated PSU's. Am i missing something or is this April Fools again this year?
 


CS and RM are both tier 3 psus, for a better quality psu look here http://www.tomshardware.co.uk/forum/id-2547993/psu-tier-list.html , it not so important the gold rating and the power as much as noise supression ripple amplitude and so on, there are multiple factor which can make a psu a quality psu, for exemple seasonic m12II which is bronze rated is a higher quality psu then the cs or rm which are gold rated (deducted from your statement).

EDIT: Gold bronze or platinum is only the efficiency which the psu converts ac current to dc current it has nothing to do with teh stability, protection or ripple supression.