No, Echo Dot and Alexa are not the same. Echo Dot is a device created by Amazon, powered by the company's digital assistant Alexa. It is a small cylindrical device with a built-in speaker that users can interact with using voice commands.
Alexa, on the other hand, is the cloud-based voice service connected to Echo Dot that enables users to access thousands of features to work with products and services. Alexa controls the device and also provides natural-language voice interactions, allowing you to ask questions, control smart home devices and play music.
Overall, Echo Dot is powered by Alexa, making the two together a powerful voice assistant that can make life easier in many ways. It’s an intelligent home assistant that responds to voice commands for tasks such as turning on the lights, setting reminders, playing music and more.
For more information, check out Amazon's page on Echo Dot here: https://www.amazon.com/echo-dot.