Detailed information about the differences between H-1B visa and the US Green card is given below

Feature

H‑1B Visa

Green Card (Permanent Residency)

Type

Non-immigrant, temporary work visa

Immigrant, permanent resident status

Validity

Initially 3 years, extendable up to 6 years

Valid indefinitely (with 10-year renewal periods)

Job Requirement

Tied to a specific U.S. employer and job role

Not tied to a specific job; allows job changes freely

Status Maintenance

Requires on-going employment and visa compliance

Fewer restrictions; can stay unemployed temporarily

Application

Employer-sponsored only

Can be employer-sponsored or through family, asylum, or investment

Path to Citizenship

Must convert to Green Card first

Eligible to apply for U.S. citizenship after 5 years of permanent residency