Dell Precision 7780 - Fingerprint Reader; Sensor

Table 20. Display specifications (continued)
Description Option one Option two
Display-panel native resolution
1920 x 1080 3840 x 2160
Luminance (typical)
500 nits 500 nits
Megapixels
2.07 8.29
Color gamut
99% DCIP3 typical 99% DCIP3 typical
Pixels Per Inch (PPI)
127 255
Contrast ratio (min.)
● 1000:1 (typical)
● 800:1 (minimum)
● 1200:1 (typical)
● 1000:1 (minimum)
Response time (max.)
35 ms 35 ms
Refresh rate
60 Hz 120 Hz
Horizontal view angle
+/- 80 degrees (minimum) +/- 80 degrees (minimum)
Vertical view angle
+/- 80 degrees (minimum) +/- 80 degrees (minimum)
Pixel pitch
0.198 mm x 0.198 mm 0.099 mm x 0.099 mm
Power consumption (maximum)
9 W 10.3 W
Anti-glare vs glossy finish
Anti-glare Anti-glare
Fingerprint reader
The following table lists the fingerprint-reader specifications of your Precision 7780.
Table 21. Fingerprint reader specifications
Description Values
Fingerprint-reader sensor technology
Capacitive
Fingerprint-reader sensor resolution
500 DPI
Fingerprint-reader sensor pixel size
108 x 88 pixel
Sensor
The following table lists the sensor of your Precision 7780.
Table 22. Sensor
Sensor support
Ambient Light Sensor
Windows Auto Brightness
Accelerometer
Adaptive Thermal Performance (Lap vs. Desk mode) requires Accelerometer
24 Specifications of Precision 7780