Should I buy Solana or AVAX?

Hello, I'm a bit torn between investing in Solana and AVAX. I've been hearing a lot about both of them in the crypto space, and they both seem to have some promising potential. Solana, for instance, boasts its scalability and speed, while AVAX promises to revolutionize the DeFi space. But I'm not sure which one to choose. Could you give me some insights? What are the key factors I should consider? Is there a specific use case or feature that makes one of them stand out? And based on the current market trends, which one do you think has a higher upside potential? Thank you for your help!