- Tram Ho
Qualcomm has just released 3D Sonic Sensor Gen 2, the second version of the ultrasonic in-screen fingerprint sensor, which is improved in every way compared to the previous generation. This 2nd version has a larger area and significantly faster processing speed.
Qualcomm really took a leap. 3D Sonic Sensor Gen 2 sensor is 8×8 mm in size, for 77% larger surface area than the previous generation (4×9 mm). That means it’s easier for users to accurately place their fingers on the sensor, and it also allows for more data to be collected with each scan.
The processing speed of 3D Sonic Sensor Gen 2 sensor is also faster than the previous generation. Thanks to that, Qualcomm claims that the speed of detecting and unlocking the phone will be 50% faster.
Qualcomm’s first-generation ultrasonic sensor was the 3D Sonic Sensor, which first debuted alongside the Galaxy S10 in 2018. At the time, nearly all other in-display fingerprint sensors were in use. Optical sensor, which is said to be slower and less accurate than Qualcomm’s ultrasonic sensor.
But the opposite is true, with Qualcomm’s ultrasonic sensors encounter some problems such as slow response speed, small recognition area. More serious is a security bug when using a screen protector, which can unlock the smartphone easily with any fingerprint. This security bug still occurs with both Galaxy S20 and Note20.
Qualcomm said that the first smartphones equipped with 3D Sonic Sensor Gen 2 sensors will be available in early 2021. Although it does not specify which smartphones, but most likely it is Samsung’s Galaxy S21 series, to be released on January 14. Samsung is still the largest customer of Qualcomm’s ultrasonic fingerprint sensors.
Source : Genk