When comparing Intel i7-4790K vs Intel i7-6700K, the Slant community recommends Intel i7-4790K for most people. In the question“What are the best CPUs for high-end desktop gaming?” Intel i7-4790K is ranked 1st while Intel i7-6700K is ranked 3rd. The most important reason people chose Intel i7-4790K is:
Being a quad-core CPU means that hyperthreading is available, more so than an i5 thanks to the higher clock speeds and available cache. This means that games that take advantage of hyperthreading will perform better than with a CPU that does not have many cores or is just at a lower clock speed and has less cache available. While the jump in performance is not much for games that can only utilize a single core of the CPU, it still is a jump of about 2-3 frames over an i5 of the same generation.
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Pros
Pro Good performance and hyperthreading
Being a quad-core CPU means that hyperthreading is available, more so than an i5 thanks to the higher clock speeds and available cache. This means that games that take advantage of hyperthreading will perform better than with a CPU that does not have many cores or is just at a lower clock speed and has less cache available. While the jump in performance is not much for games that can only utilize a single core of the CPU, it still is a jump of about 2-3 frames over an i5 of the same generation.
Pro Easy to find cheap components
Being that this is a Haswell chip that uses the LGA 1150 socket, it is quite easy to find cheap motherboards and cheap RAM (DDR3) to use in those motherboards. This makes a good option as it is still a powerful chip comparable to even newer ones but allows for a wide selection of compatible parts. It also is a good choice for those that are already using a LGA 1150 compatible motherboard and would just like to upgrade from a less powerful CPU.
Pro Able to be paired with DDR4 RAM
Being a Skylake 6th generation CPU this chip is able to be used with DDR4 RAM as this is what the new LGA 1151 based motherboards are able to use. DDR4 is available in faster speeds over DDR3 RAM (what was used with previous generation CPUs) meaning an overall speed bump in RAM when using this newer technological chip.
Pro Can allow for extreme gaming solutions
The chip itself allows for 16 PCIe 3.0 lanes (which was not available in such high numbers in the previous generation chips). This translates into how many PCIe devices can be used at the same time and how fast they can communicate, which makes for a scenario where multiple PCIe GPUs can be used at their top transfer speed of 16x for one and 8x for two.
Cons
Con Becoming increasingly more difficult to find
More and more stores are not carrying this chip as newer generation chips are seeing their prices drop. This means it can be difficult to obtain, though there are a few places that it can still be picked up easily.
Con Somewhat dated
Based on the fourth generation of Intel's core architecture (Haswell) there are newer chips out there two generations ahead (6th gen Skylake). While comparing one to the next there are only slight improvements in the newer generations, but improvements all the same for close to the same price.
Con Does not come with a heatsink
No longer does Intel include a heatsink with their new CPUs, so the user will have to purchase their own. While they are not too expensive, that basically means out of the box this can not be used unless a purchase was made for a heatsink along with this item.
Con Adds another pin to the connection
This processor uses the LGA 1151 CPU socket. For those upgrading from an older generation chip this means the will need to purchase a new motherboard and possibly RAM in order to use this chip. This can be expensive to replace so many components all for a single new pin in the chips connection. While the performance will be better than the last generation, it may not be worth the price of all new gear to see this performance.