If you click "Technical Specifications" on the menu under "The Pyra" on the homepage you end up on this page: https://pyra-handheld.com/boards/pages/pyratech/, where it list the CPU clockspeed as 1.5Ghz.
If you search "pyra specs" on Google, The first result is this page: https://www.pyra-handheld.com/specs.php, which lists the clockspeed as 1.7Ghz.
From that page, if you click "Technical Specifications" on the menu under "The Pyra", it links to a third URL: https://www.pyra-handheld.com/pages/pyratech/, which is a broken link.
If you search "pyra specs" on Google, The first result is this page: https://www.pyra-handheld.com/specs.php, which lists the clockspeed as 1.7Ghz.
From that page, if you click "Technical Specifications" on the menu under "The Pyra", it links to a third URL: https://www.pyra-handheld.com/pages/pyratech/, which is a broken link.