Timing - Intuition is instant. Ego needs time to process before chiming in.
Tone - Intuition is gentle and comes from a place of love. Ego is anxious, loud and overbearing.
Content - Intuition is there to guide you towards your best self. Ego is judgemental and interfering.
Location in the Body - Intuition comes from the heart. Ego is created by the mind.
Motivation - Intuition wants you to thrive and enjoy life. Ego is there to protect you from threats. Real or imagined.