Similarities and differences between Alexander the Great and Svyatoslav?

Similarities:

1) Great commanders (emerged victorious from numerous battles);

2) Were conquerors (Alexander defeated the Persian Empire, and Svyatoslav the Khazar Khaganate);

3) Both died young (Alexander at 33, and Svyatoslav at the age of 30).

Differences:

1) Alexander lived in antiquity, and Svyatoslav in the Middle Ages.

2) Svyatoslav’s campaign against Byzantium ended in failure;

3) The campaign of Alexander the Great ended successfully, but nevertheless, after his death, the empire quickly disintegrated.