Teardowns have confirmed that the Switch 2’s Joy-Cons are using the same joystick technology as the originals, which could potentially lead to issues with drift over time. GuliKit, the company that released Hall effect upgrade kits for the original Joy-Cons two years ago, said on X that it’s already “working hard on the magnetic joystick replacement.” But it hasn’t confirmed if the replacements will use Hall effect technology, or the newer TMR joystick tech.
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It’s true- it’s well known that hall effect sensors are magnetically sensitive and do poorly in handhelds (like the steam deck, ROG ally, or joycons on a docked switch) for that exact reason- they can basically only be used in standalone controllers. More to the point, since the HD rumble is magnetically actuated, there’s even more interference than just the main system itself + the connector system. You CAN try to account for that interference, but why would you do that when…
Hall effect sensors actually have some major downsides- they have poorer centering, increased power draw, the aforementioned magnetic interference issues, the fact they don’t actually solve stick drift, and finally and most concerningly- they have a REALLY low poll rate. I was able to notice the difference when playing celeste with a buddy’s hall effect controllers, for example.
More to the point, gulikit is definitely engaging in some corporate double-speak here- the switch 2 joy cons use the same analog stick design… that basically every game company has used for decades. NOT the same sticks as the switch 1 joycons. They’re completely different, Nintendo went back to the ‘standard’ design instead of the ‘short’ design that caused the problem in the switch 1.