保密協(xié)議和競(jìng)業(yè)禁止存在以下差異點(diǎn)：Duty of confidentiality extends over a span； on the other hand, non-competition obligation lasts no longer than two years. Duty of confidentiality typically arises from direct laws or ancillary obligations in the employment contract； non-competition liability is contingent upon the agreement between employers and employees.【法律依據(jù)】《中華人民共和國(guó)勞動(dòng)合同法》第二十三條用人單位與勞動(dòng)者可以在勞動(dòng)合同中約定保守用人單位的商業(yè)秘密和與知識(shí)產(chǎn)權(quán)相關(guān)的保密事項(xiàng)。對(duì)負(fù)有保密義務(wù)的勞動(dòng)者，用人單位可以在勞動(dòng)合同或者保密協(xié)議中與勞動(dòng)者約定競(jìng)業(yè)限制條款，并約定在解除或者終止勞動(dòng)合同后，在競(jìng)業(yè)限制期限內(nèi)按月給予勞動(dòng)者經(jīng)濟(jì)補(bǔ)償。勞動(dòng)者違反競(jìng)業(yè)限制約定的，應(yīng)當(dāng)按照約定向用人單位支付違約金。