can i replace the processor of acer E5-573G-380S from i3 to i5

[AD1997]

my i3 5th gen clock speed 2.0ghz is not able to play games

 

[darkbreeze]

No, that unit has a BGA socket CPU and is not replaceable.

 

[AD1997]

so how could i increase cpu efficiency for playing games like rise of tomb raider and fifa 16

 

[darkbreeze]

On that machine, you really can't. You might consider building a custom desktop system, which could be done relatively cheaply, and use the laptop for other endeavors like work and office type uses. Laptops aren't intended to be upgradeable and are a poor choice for gaming IMO. Even high end models suffer from a lack of performance and on those few, but expensive models that really do have high performing hardware compared to even middling desktop systems, heat becomes a major factor because it's almost impossible to have comparable gaming performance to a desktop or mini-ITX system and get the heat from high performance hardware out using tiny little fans.