BIOS vs UEFI – What’s the Difference?

BIOS vs UEFI – What’s the Difference?

When it comes to computer startup, firmware matters.

  • BIOS: Old-school, text-based, slower boot, limited to 2TB drives, MBR partition, less secure.

  • UEFI: Modern, graphical interface, faster boot, supports drives >2TB, GPT partition, Secure Boot protection.

💡 Most modern PCs now use UEFI for speed, security, and compatibility.