Tantric rituals are a unique aspect of Esoteric Buddhism, also known as Vajrayana, which emerged in India around the 6th century CE. These rituals and visualizations are distinct from other Buddhist practices in several ways.

Firstly, Tantric rituals involve the use of mantras, mudras, and mandalas, which are not commonly found in other Buddhist practices. Mantras are sacred sounds or phrases that are chanted or recited during the ritual to invoke specific deities or energies. Mudras are hand gestures that represent different aspects of the Buddhist teachings, and mandalas are intricate geometric designs used as a visual aid for meditation.

Secondly, Tantric rituals often involve the use of symbolic objects such as vajras (thunderbolts), bells, and ritual daggers. These objects are believed to have spiritual power and are used to purify the mind and body, and to protect against negative energies.

Another significant difference is the emphasis on the role of the guru or teacher in Tantric rituals. In other Buddhist practices, the focus is primarily on individual practice and self-discovery. However, in Tantric rituals, the guru is seen as a crucial guide and transmitter of esoteric teachings and practices.

Furthermore, Tantric rituals often involve the visualization of deities and the use of deity yoga. This practice involves visualizing oneself as a specific deity to cultivate their qualities and attain enlightenment. This is a unique aspect of Tantric Buddhism that is not found in other Buddhist traditions.

Lastly, Tantric rituals also involve the use of sexual imagery and practices. This is often misunderstood, but it is not about indulging in physical pleasure. Instead, it is a symbolic representation of the union of wisdom and compassion, and the transformation of worldly desires into spiritual awakening.

In conclusion, Tantric rituals are different from other Buddhist practices in their use of mantras, mudras, mandalas, symbolic objects, the role of the guru, deity yoga, and sexual imagery. These practices are aimed at achieving enlightenment in this lifetime, rather than in future rebirths, making Tantric Buddhism a unique and powerful path towards spiritual awakening.