Dell Precision 3490 - Fingerprint reader (optional); Sensor

Table 21. Display specifications(continued)
Description Option one Option two Option three
Diagonal
355.60 mm (14.00 in.) 355.60 mm (14.00 in.) 355.60 mm (14.00 in.)
Display-panel native
r
esolution
1920 x 1080 1920 x 1080 1920 x 1080
Luminance (typical)
250 nits 400 nits 300 nits
Megapixels
2.07 2.07 2.07
Color gamut
45% NTSC 100% sRGB 72% NTSC
Color depth 6-bit True 8-bit 6-bit + FRC
Color 262 K 16.7 M 16.2 M
Pixels Per Inch (PPI)
157 157 157
Contrast ratio (typical)
600:1 1000:1 600:1
Response time (maximum)
35 millisecond 35 millisecond 35 millisecond
Refresh rate
60 Hz 60 Hz 60 Hz
Horizontal view angle
85 +/- degrees 85 +/- degrees 85 +/- degrees
Vertical view angle
85 +/- degrees 85 +/- degrees 85 +/- degrees
Pixel pitch
0.161 x 0.161 mm 0.161 x 0.161 mm 0.161 x 0.161 mm
Power consumption
(maximum)
3.10 W 2.50 W 4.60 W
Anti-glare vs glossy finish
Anti-glare Anti-glare Anti-glare
Fingerprint reader (optional)
The following table lists the specifications of the optional fingerprint-reader of your Precision 3490.
Table 22. Fingerprint reader specifications
Description Values
Fingerprint-reader sensor technology
Capacitive
Fingerprint-reader sensor resolution
500 dpi
Fingerprint-reader sensor pixel size
108 x 88
Sensor
The following table lists the sensor of your Precision 3490.
Table 23. Sensor
Sensor support
Ambient Light Sensor
24 Specifications of Precision 3490