PS5 DualSense vs DualShock 4: What's different? | Tom's Guide
How the PS5 DualSense Controller Differs from PS4's DualShock 4
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DualSense features an upgraded IMU to prevent drifting during motion tracking (unlike the DS4 gyro) - indicating that magnetometers may have been incorporated : r/PS5
You Immediately Forget About the DS4 After Using PlayStation 5 DualSense, Hines Says; Very Impressed With Haptic Feedback and Adaptive Triggers