Google Pixel 9 leak shows ultrasonic fingerprint from Suprema and Qualcomm

The upcoming Google Pixel 9 series is expected to feature Qualcomm’s 3D Sonic Gen 2 ultrasonic fingerprint sensor, according to a leak from Android Authority’s Kamila Wojciechowska.

The fingerprint technology is the same as the Samsung Galaxy S24, Wojciechowska says in a video describing the leak. The S24 features the Qualcomm sensor with Suprema algorithms for reading and matching signals. Suprema has been supplying its biometric algorithms for the Samsung Galaxy S series since 2019.

In 2021, Qualcomm also integrated Precise Biometrics' BioMatch Mobile software, which provides an additional layer of protection against spoofing attempts.

Google has decided to replace the current Goodix optical scanner with ultrasonic scanners after customers reported issues with the current under-display fingerprint sensor, calling it unreliable and slow.

This move marks a move away from optical scanners that rely on flashing bright light at the fingerprint and whose performance degrades more quickly when exposed to moisture or dirt. With the introduction of the Qualcomm 3D Sonic Gen 2, Google aims to address these challenges with improved sensor technology.

Although the performance of the biometric system depends on more factors than a single sensor, the upgrade is expected to provide a better user experience.

The 3D Sonic Gen 2 fingerprint sensor uses ultrasonic pulses to map the grooves and depressions of a user's fingerprint. By analyzing the reflections of these sound waves, the sensor creates a highly detailed 64 mm2 reproduction of the scanned fingerprint.

Although all models of the Pixel 9 are expected to feature the new ultrasonic fingerprint sensor, the Fold will retain its capacitive fingerprint scanner in the power button. Google has officially announced that the new phone series will be unveiled on August 13.

Article topics

Biometrics | Fingerprint biometrics | Fingerprint sensors | Google | Qualcomm | Suprema | Ultrasonic fingerprints | under display

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