Your choice. With the evidence.
Is it worth the upgrade?
Start with what you own. See what meets more of your needs, what stays the same and what you would give up.
More decision tools
Which trackpad do you have now?
Choose it, then compare every other trackpad against it: each shows what its stated specifications change. Nothing here is a ranking.
2 trackpads, A–Z
Apple Magic Trackpad (USB‑C) - Black Multi-Touch SurfaceUK MXKA3Z/A · Magic Trackpad (USB‑C) - Black Multi-Touch SurfaceFunctions: Force Touch, Multi-Touch · Connections: Bluetooth, USB-C port, Wireless
Apple Magic Trackpad (USB‑C) - White Multi-Touch SurfaceUK MXK93Z/A · Magic Trackpad (USB‑C) - White Multi-Touch SurfaceFunctions: Force Touch, Multi-Touch · Connections: Bluetooth, USB-C port, Wireless