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[BUG] Memory size doesn't show the number I expect#2028
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DescriptionI have a machine with 64 GiB of RAM installed. Fastfetch displays it as 62.40 GiB. I tried changing binaryPrefix, thinking it was just a matter of GiB vs GB, but with
..."type":"Memory","result": {"total":67004215296,... Which converted from B to GiB, indeed gives 62.40.
For reference, However, if I go in GNOME Settings, then System > System Details, it displays:
I have no idea why GNOME is the only one that gets it right, and would love for fastfetch to get it right too. Version usedfastfetch 2.54.0 (x86_64) Bug prevalenceAlways RegressionNot sure InstallationGitHub Releases Package managerNo response ScreenshotsNo response ConfigurationSystem informationDetails[ {"type":"Title","result": {"userName":"tina","fullUserName":"Tina","hostName":"kokona","homeDir":"/home/tina/","exePath":"/home/tina/tmp/fastfetch-linux-amd64/usr/bin/fastfetch","userShell":"/usr/bin/zsh" },"stat":0.0012500006705522537 }, {"type":"Separator","error":"Unsupported for JSON format","stat":0.0003100000321865082 }, {"type":"OS","result": {"buildID":"","codename":"","id":"fedora","idLike":"","name":"Fedora Linux","prettyName":"Fedora Linux 42 (Adams)","variant":"","variantID":"","version":"42 (Adams)","versionID":"42" },"stat":0.053620001301169395 }, {"type":"Host","result": {"family":"B650 MB","name":"B650I AX","version":"","sku":"","vendor":"Gigabyte Technology Co., Ltd.","serial":"","uuid":"" },"stat":0.06575099937617779 }, {"type":"BIOS","result": 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}]Features built-inDetails |
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Both are correct. 62.4 GiB is the usable memory size (kernel reserves some memory for internal use), and 64 GiB is the physically installed memory size. To get the physical memory size, you should use |
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This discussion was converted from issue #2026 on October 27, 2025 02:19.