Here are several more recent resources addressing the differences between effective altruism and utilitarianism/​consequentialism:
William MacAskill (2019) Effective Altruism, The Norton Introduction to Ethics, Elizabeth Harman & Alex Guerrero (eds.).
Utilitarianism.net: Section on effective altruism
Effective altruism FAQ: Is effective altruism the same as utilitarianism? What if I’m not a utilitarian?
Here are several more recent resources addressing the differences between effective altruism and utilitarianism/​consequentialism:
William MacAskill (2019) Effective Altruism, The Norton Introduction to Ethics, Elizabeth Harman & Alex Guerrero (eds.).
Utilitarianism.net: Section on effective altruism
Effective altruism FAQ: Is effective altruism the same as utilitarianism? What if I’m not a utilitarian?