How much will CPU upgrade help FPS in games?

Hey, i will be buying a new laptop soon and will be getting a 780m. But i was wondering how much going from i7-4700 to i7-4800 to i7-4900 will help my FPS in games? Not sure if it will only help like 2-3 fps or could be more? Thanks

 

It really depends on the game and how much it utilizes your cpu.

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Usually no, the 4700MQ is very good and in future a CPU upgrade can be easy and not too expensive.

If you like to tweak the 4800MQ can be a reasonable choice too.

 

Some games use the CPU more then others but nowhere close to the GPU. You can get a slight boost in the CPU upgrades, best thing to do is research if your particular games will benefit.

 

The 4700MQ won't bottleneck your GPU, and even in games that are more CPU intensive than others, a 4700MQ is up to snuff. The 4800 and 4900 options are viable only if you're an enthusiast with the budget, and/or you have professional applications that focus more on CPU potential than GPU performance.

 

Note that the 4700 is a slightly stripped down chip. It doesn't support the full feature set the others do. How important those features are will depend on what kind of software you run and if it utilizes them (admittedly, it's not common stuff).

Also, the graphics clock on the 4700 IGP is lower, but that's only important if you plan on running on battery a lot and using the Intel Graphics Processor (as opposed to plugged in and using the 780).

Personally, if it's not a budget buster, I'd probably spring for the 4800. I'm actually saving up for a Sager NP8265-S with the 4900MQ, although it's really hard to justify the price premium of that chip. But hey, if you're gonna dream, dream big!

You could check here for some numbers to compare:
Intel Core i7 4800MQ vs 4700MQ

And here for the specs:
ARK | Compare Intel® Products

 

Users of such software will likely be aware of what extensions they would need.

 

For most games, the difference will be 1-2 FPS, but for ones that are CPU bound (Skyrim, SC2 for example) you can get a 10-15% increase in frames on going from 4700MQ to 4900MQ, as observed by Anandtech.