Fingerprint reader (Optional)
The following table lists the fingerprint-reader specifications of your Latitude 7440.
NOTE: The fingerprint reader is located on the power button.
Table 18. Fingerprint reader specifications
Description Option One Option two
Fingerprint-reader
sensor technology
Capacitive Capacitive
Fingerprint-reader
sensor resolution
500 dpi 508 dpi
Fingerprint-reader
sensor pixel size
● X: 108
● Y: 88
● X: 96
● Y: 96
Sensor
The following table lists the sensor of your Latitude 7440.
Table 19. Sensor
Sensor support
Accelerometer (ST Micro LIS2DW12TR): On the base (system board) for both laptop and 2-in-1 systems
Accelerometer + Gyro (ST Micro LSM6DSOUSTR): On the hinge-up sensor board for 2-in-1 system
Accelerometer (ST Micro LIS2DW12TR): On the hinge-up mid-board in upsell configuration of laptop MIPI RGB+IR camera
Ambient Light Sensor (optional)
E-compass (ST Micro LIS2MDLTR), only for 2-in-1 system
Proximity for SAR compliance (for the WWAN module) Near Field Proximity Sensor
Hall Effect Sensor
GPU—Integrated
The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your Latitude 7440.
Table 20. GPU—Integrated
Controller Memory size Processor
Intel Iris X
e
Graphics Shared system memory 13
th
Generation Intel Core i5/i7
24 Specifications of Latitude 7440