Emsisoft contains straightforward components that are already vital to our needs.
Meanwhile Bitdefender incorporates sandbox browser and ransomware protection capabilities to increase the overall behavior of protection.
ESET develops strong protection where HIPS is their plan B when everything bypass.
In performance its either for Emsisoft or ESET cause some users experience issues for Bitdefender.
* Some features which contains cleaners and boosters are not necessarily at all.