Telegram recently launched the ability to signup without a SIM card. This feature isn't available on WhatsApp.
With Temporary QR codes, users can share their usernames with others without having to share their phone numbers or other details.
Telegram has bots are super handy as they can do different things for you. Bots can convert audio to messages and do a lot more. A feature like this is nowhere to be seen on WhatsApp.
Emojis are common but emojis with interactive effects aren't. This feature of Telegram allows users to tap on emojis to launch its effects on screen.
Telegram has an Aggressive mode for groups with 200 members. The feature will automatically filter spam messages.
Although WhatsApp allows you to delete messages and media storage, the Storage Usage feature of Telegram on Android offers a detailed way of doing the same.
Telegram groups with more than 100 users can use the 'Topics' feature and message according to different topics discussed in the group.