Mobile GPU Rankings 2020 (Adreno/Mali/PowerVR) - Tech Centurion
Based on the rankings in this article they're about the same or the Radiant Max is worse.
Radiant Max has a : PowerVR GE8320
And the stylo 5: Adreno 506
On the list above the Adreno 506 ranks about 10 places higher.
Sorry i need to do more work for low end devices still :/