gigabyte

American  

[gig-uh-bahyt, jig-] / ˈgɪg əˌbaɪt, ˈdʒɪg- /

noun

Computers.

1. a measure of storage capacity equal to 2 30 (1024) bytes.

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gigabyte British  

/ ˈɡaɪɡəˌbaɪt, ˈɡɪɡəˌbaɪt /

noun

1. computing one thousand and twenty-four megabytes See also giga-

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gigabyte Scientific  

/ gĭg′ə-bīt′ /

1. A unit of computer memory or data storage capacity equal to 1,024 megabytes (2 ³⁰ bytes).

2. One billion bytes.

3. See Note at megabyte

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Etymology

Origin of gigabyte

giga- + byte

Example Sentences

The model achieves high-fidelity reasoning and language understanding comparable to 16-bit models, but with a memory footprint of 1 gigabyte vs 16 gigabytes, according to PrismML.

From The Wall Street Journal • Mar. 31, 2026

For every one gigabyte of HBM, the memory makers lose the capacity for three gigabytes of DDR memory, a ratio that is set to rise with the next generation of HBM.

From Barron's • Dec. 19, 2025

Pricing will be crucial in India, where mobile data is among the cheapest globally - just 12 cents per gigabyte, according to Modi.

From BBC • Oct. 22, 2024

The company plans four tiers of service, with equal speeds for uploads and downloads: $65 a month for 500 Mbps, $75 for 1 gigabyte per second, $85 for 2 Gbps, and $99 for small-business connections.

From Los Angeles Times • May 9, 2024

Why was Bobbie Lyles importing ridiculous amounts of data into her home, into her back bedroom, specifically; way more data than that crappy desktop dinosaur PC with its half a gigabyte of RAM could handle?

From "Burning Blue" by Paul Griffin