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Will my CPU bottleneck my GPU ?

Hi , i am collecting money to build my PC right now ( converting from console gaming )

Well , i decided to get the Zotac GTX 780 amp edition GPU , as i saw it's a good GPU to last some years to come

A friend also told me to get i5 4460 3.2 GHZ cpu with this pc build as it's good for gaming , but idont know if it will bottleneck this GPU or not

The only CPU'S i can buy ( or access ) in my city atm are : i5 4460 & i5 4670K & i7 4790

but that friend told me that this i7 4790 CPU is too high to get just for gaming , so if i bought the i5 4460 with the Zotac GTX 780 amp , will they hinder the perfermance of each other ? thanks in advance :)
14 answers Last reply Best Answer
More about cpu bottleneck gpu
  1. Shouldn't be bottleneck, but your friend doesn't know his s***. The i7's perfect for the 780.
  2. yep as okcnaline said, i7 is also the perfect match for the 780.
  3. Best answer
    The 4460 will not bottleneck a 780. It could keep up with 2 780s in SLI. If you want to overclock the cpu then you would want to get a K cpu and a z87 or z97 motherboard.
  4. If you can get the i5-4670k then I'd suggest getting that, especially if you plan on doing some over-clocking (it'll make your system last longer)
    The i5-4460 will work for a few years if you don't want to over-clock.
    The i7-4790 could be considered "over-kill" as some of the i7 features won't necessarily benefit gaming use.

    All of the CPUs WILL work with the GTX 780.
  5. For gaming the i7 is currently not really needed. Most games only use 1-2 cores with some newer ones being able to use 4. For gaming the 4690 and 4790 will perform almost identically(as the main difference between them is hyperthreading). The extra cost of hyperthreading is not justifiable to most gamers. It's usually best to get the i5 and spend that extra on a faster gpu. In the next couple years games will probably start to use more threads but by then you may want to upgrade anyway. If you want to pay the extra for hyperthreading that's your choice, but currently the i5 is the better price/performance for gaming.
  6. Your friend is spot on for gaming. Here is a great article showing the i5 vs the i7 with sli 770's:

    http://anandtech.com/show/8227/devils-canyon-review-intel-core-i7-4790k-and-i5-4690k/5

    In theory, if games were made to utilize the multi-threaded capabilities of the i7, the i7 would be faster. In practice, most games aren't optimized for more than 2 cores, and thus the i5 is plenty.

    There are certain rare scenarios where hyperthreading effectually gives you LESS fps, and it's been like that for years.
  7. And i7 makes a stable ultra. Plus that compares to a 4460.
  8. It is worth noting though, in some games, such as Crysis 3, the i7 does make a difference to the minimum FPS which is probably the most critical value for a smooth gaming experience. But for 99% of scenarios, you will get better FPS by taking the 100$ from dropping the i7 to an i5 and putting it towards a better GPU.

    Out of thousands of games available, there might be literally 10 games that can actually utilize hyperthreading to half of it's potential.
  9. okcnaline said:
    And i7 makes a stable ultra. Plus that compares to a 4460.


    Really? Because on games like Watchdogs and BF4 on ultra settings hypertheading makes no difference.
    http://www.techspot.com/review/827-watch-dogs-benchmarks/page5.html
    http://www.techspot.com/review/734-battlefield-4-benchmarks/page6.html
    I know with my system I can disable hyperthreading(i run an i7 3820) and my gaming performance doesn't change a bit.
  10. Well , thanks for the reply everyone , now i understand it more , i may think of getting the i5 4670K and the MB , but i have a few questions :

    1 - will this motherboard be good for the 4670 K : Gigabyte GA-Z97-D3H Socket 1150 Motherboard ?

    2 - Do i need a separate cooling system or tool to cool this 4670 K processor , or do i just need to install them and good to go ?
  11. 1. Yes, but if possible see if you can get the 4690k. Keep in mind where you are using a GTX 780 that board doesn't support SLI it only supports AMDs crossfire. The Gigabyte GA-Z97X-Gaming 3 does support SLI and is usually only a little bit more than the D3H.
    2. If you plan on overclocking you will need a better cpu cooler. The stock intel cooler is barely sufficient at stock clocks.
  12. sorry for the double posting , but i found some MB's that are present here for a good price , which of them will be best suited for this i5 4670 CPU :

    1 - Gigabyte GA-Z97-D3H
    2 - Gigabye GA-Z87-HD3
    3 - Gigabyte GA-Z97X-SLI
    4 - Asus Z87-C
    5 - Asus Z87-K

    thanks in advance :)
  13. Ramy Darwish said:
    Well , thanks for the reply everyone , now i understand it more , i may think of getting the i5 4670K and the MB , but i have a few questions :

    1 - will this motherboard be good for the 4670 K : Gigabyte GA-Z97-D3H Socket 1150 Motherboard ?

    2 - Do i need a separate cooling system or tool to cool this 4670 K processor , or do i just need to install them and good to go ?


    No. You should buy a i5 4690K with that Z97 board. Otherwise get a Z87 board.

    The "K" series processors should only be purchased if you plan to buy an aftermarket cooler and overclock. If you aren't going to overclock, save yourself 30-40$ and buy the i5 4690 non "K" version.
  14. Ramy Darwish said:
    sorry for the double posting , but i found some MB's that are present here for a good price , which of them will be best suited for this i5 4670 CPU :

    1 - Gigabyte GA-Z97-D3H
    2 - Gigabye GA-Z87-HD3
    3 - Gigabyte GA-Z97X-SLI
    4 - Asus Z87-C
    5 - Asus Z87-K

    thanks in advance :)


    Depends on if you think you may SLI that 780 in the future. If so then go for the GA-Z97x-SLI or the gaming 3 I mentioned in my previous post or an Asus Z97-A. The 4670k will work just fine in a Z97 motherboard if you can get a 4690k(preferred). The Z97 will also give you an upgrade path to Intels next gen CPU(Broadwell). From what is known so far the z87 chipset will not support Broadwell cpus.
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