Why is XLM better than XRP?

Could you please elaborate on the reasons why XLM is considered superior to XRP? What specific features or advantages does Stellar Lumens possess that Ripple lacks? Also, could you discuss the potential impact of these advantages on the future performance and adoption of both cryptocurrencies in the market? How do these factors compare in terms of scalability, transaction speed, and cost-effectiveness? Additionally, could you provide insights into the respective ecosystems and partnerships surrounding these two projects? I'm curious to understand the underlying reasons behind the preference for XLM over XRP in the cryptocurrency community.