The Galaxy S25 Ultra 5G clearly outperforms the A54 in raw performance, camera resolution, and premium build, scoring 9.0 in performance versus 5.0 for the A54 (per Notebookcheck). However, the A54 delivers respectable 5G capability and a solid AMOLED panel at a fraction of the cost, making it a sensible choice for budget‑conscious buyers (per Tom's Guide). Overall, the S25 Ultra is the superio...