No panel is best for every roof. Choice depends on available area, orientation, shading, structure, target capacity and inverter compatibility. Compare specific models under the same conditions and check dimensions as well as rated power.
Check the datasheet for temperature coefficient, tolerances, dimensions, mechanical loads, certifications and stated degradation. Confirm who backs the warranty, its duration and claims process; a performance warranty is not a guarantee of annual output.
Also consider availability, spare parts, lead time and total installed cost. Request a generation estimate based on the actual address, roof and demand. “Best panel” lists are of little use without model, conditions and intended needs.