[snvzz]

Neither allow filtering for CMR (vs SMR) or TLC (vs QLC).

Neither have a column for Endurance (TBW), or power consumption (load watt, idle watt, RPM...).

Both list disks not actually available for purchase (fake prices).

Very limited usefulness.

[vektor888]

This is because brands are not 100% transparent on this, they could change how they assemble a specific model based on availability.

Amazon doesn't expose this data