The Standard: OEM Potentiometers (ALPS)
Almost all modern controllers (including the PS5 DualSense, Xbox Wireless Controller, and Nintendo Switch Pro Controller) ship with ALPS potentiometers. These modules measure movement with physical carbon tracks and metal wipers. Constant friction wears that carbon down over time, so the readings drift and the console sees phantom input. OEM modules keep the factory feel and are easy to source, but because they rely on contact wear they have a limited service life. Replacing like-for-like restores the controller; it does not improve the underlying technology.
The Magnetic Upgrade: Hall Effect Joysticks
Hall Effect sensors are the most common performance upgrade for stick drift. Instead of scraping metal on carbon, they use magnets and sense changes in the magnetic field as you move the stick. With no wear track for position sensing, they resist classic drift and feel smoother than stock potentiometers. For many players, a Hall Effect swap is both the repair and the improvement: the drift stops, and the module lasts longer under heavy use.
The Cutting-Edge: TMR (Tunnel Magnetoresistance)
TMR is the newest magnetic option. Like Hall Effect, it avoids carbon track friction, but it measures position through a tunneling magnetoresistance effect. That design aims for tighter centering, high precision, and lower power draw. Competitive players often pick TMR when they want the stick drift repair to double as a responsiveness upgrade, especially when keeping deadzones as small as possible.
Repair, Upgrade, or Both?
Choosing Hall Effect or TMR usually depends on how you play and what feel you want, but both are major upgrades over stock potentiometers. The bench process is the same either way: full disassembly, careful micro-soldering to remove the old module without lifting pads, clean install of the new part, then software calibration. Done well, the job is more than a temporary stick drift repair. It is a hardware upgrade that restores control and improves durability.
For console and controller work on the bench, our game console repair page covers the kinds of hardware issues we diagnose and restore.