Humminbird Solix vs Helix
Humminbird has two different lines of fishfinders. The Helix models and the Solix models. Helix are more affordable with the same sidescan, downscan, 2D sonar, and charts as the more expensive Solix models. Helix's do not have touchscreen. Solix models feature touchscreen as well as buttons, usually a higher resolution, and full networking capabilities.