A Gigabyte contains 10 ^ 9 or 1,000,000,000 bytes.
While looking at it from a different perspective, then a gigabyte (abbreviated “GB”) is equal to 1,000 megabytes and below the terabyte unit of measurement.
By the way, technically 1 Gigabyte is 1,000,000,000 bytes, while in some cases, gigabytes are used for gibibytes on the periphery which contain 1,073,741,824 bytes (1024 x 1,024 x 1,024 bytes).
The same SSD has 256 GB or 512 GB of storage, and a hard drive has a storage capacity of about 750 GB. Storage devices that can store more than 1,000 GB of data are typically measured in terabytes.
RAM is usually measured in gigabytes. For example, a desktop computer comes with 16 GB of system RAM and 2 GB of video RAM.
Whereas a tablet requires at least 1 GB of system RAM because portable apps typically do not require as much memory as desktop applications.