It's not always about the megapixels, it's about the software. So if they give the a54 more optimized camera software then the 50 mp camera might not be a downgrade. We're just gonna have to find out.
The "Samsung Galaxy A54" is now allegedly in line for a spec bump in terms of its battery capacity to go with similar changes to its design and rear cameras. However, this latest leak may prove underwhelming compared to the rest of the possibly upcoming mid-range Android smartphone's potential improvements over the existing A53.