So about game differences

Im playing both fire red and leaf green shiny hunting the starters by soft reset, and funny enough, i managed to get the same seed and frame it seems, i just thought it was ' weird ' since i think I've read somewhere that leaf green and fire red had those slightly different 🤔 correction is aprecciated, we are always learning, thanks and happy hunting! Seems i cant share média cant understand why but both charmanders : Male Naughty Hp: 20 Attack : 11 Defense: 10 Sp. Attack: 11 Sp. Defense: 9 Speed: 12