Colin on 25 May, 2018 04:48 PM
Thanks for reaching out to us about this, and I'm very sorry for the delayed response. Geekbench 4 supports macOS 10.10.5 or later. For devices with older version of macOS, Geekbench 3 supports macOS version 10.6.8 or later. Geekbench 3 is available for purchase on our website here.
If you have any other questions, please let me know and I would be happy to help out.