ðə ɹˈeɪdiːˌɑːn ˈɑːɹ θɹˈiːhˈʌndɹɪd ænd ˈɑːɹ fˈoːɹhˈʌndɹɪd twˈɛnti dʒˌiːpˌiːjˈuːz jˈuːzd æn "ˌɛfpˈiː twˈɛnti fˈoːɹ" flˈoʊɾɪŋpˈɔɪnt fˈɔːɹmæt wɪð sˈɛvən bˈɪts ʌv ɛkspˈoʊnənt ænd sˈɪkstiːn bˈɪts plˈʌs wˈʌn ɪmplˈɪsɪt ʌv mæntˈɪsə.
The Radeon R300 and R420 GPUs used an "fp24" floating-point format with 7 bits of exponent and 16 bits (+1 implicit) of mantissa.