UEFI vs Legacy

The primary difference between UEFI and legacy boot is that UEFI is the most recent method of booting a computer that is intended to replace BIOS, Legacy boot, on the other hand, is the process of booting the computer using BIOS firmware. So here this article gives the difference between UEFI and legacy so better understand this topic.

What is Legacy Bios?

Read-only memory is used to run legacy BIOS. Legacy systems option ROMs will only function if they are compatible with the hardware they are running on. When you upgrade your hardware must also update the option ROMs to ensure that all aspects of the booting process are compatible.

What is UEFI?

UEFI stands for Unified extensible firmware interface. This is new type is found in the majority of new motherboards. It has more benefits than using BIOS. Most importantly, it has an easy-to-use GUI. BIOS displays a blue screen with various options. Large storage drives are not recognized by the standard BIOS. UEFI, which regions large storage drives, is a good alternative to this problem.

Difference between UEFI and Legacy:


A booting process in a modern computer provides more advanced capabilities than BIOS, while the legacy boot is the process of booting the BIOS firmware.


Uses of URFI firmware that maintain a list of valid boot volumes known as EFI service partitions for the boot process. While the legacy boot uses the BIOS firmware for the boot process.


UEFI has additional security features and is more efficient, While the BOOT has not as efficient as UEFI.

User friendly:

UEFI is more user-friendly, while the Legacy boot is user-friendly only.