Table 19. Display specifications (continued)
Description Values
Height
214.92 mm (8.46 in.) 214.81 mm (8.46 in.)
Width
382.08 mm (15.04 in.) 381.89 mm (15.04 in.)
Diagonal
438.38 mm (17.26 in.) 438.16 mm (17.25 in.)
Native resolution
1600 x 900 (HD+) 1920 x 1080 (FHD)
Megapixels
1.44 2.07
Pixels per inch (PPI)
106 127
Contrast ratio (min)
400:1 500:1
Response time (max)
16 ms 35 ms
Refresh rate
60 Hz 60 Hz
Horizontal view angle
● Left: 40 degrees
● Right: 40 degrees
● Left: 80 degrees
● Right: 80 degrees
Vertical view angle
● Top: 10 degrees
● Bottom: 30 degrees
● Top: 80 degrees
● Bottom: 80 degrees
Pixel pitch
0.2388 mm 0.1989 mm
Power consumption (maximum)
4.4 W 8 W
Anti-glare vs glossy finish
Anti-glare Anti-glare
Touch options
Not supported Not supported
Fingerprint reader (optional)
The following table lists the specifications of the optional fingerprint-reader.
Table 20. Fingerprint reader specifications
Description Values
Sensor technology
Capacitive
Sensor resolution
500 PPI
Sensor area
5.50 mm x 4.50 mm (0.22 in. x 0.17 in.)
Sensor pixel size
108 pixels x 88 pixels
18 Specifications of Inspiron 3781