Dell Inspiron 3521 - Fingerprint Reader (Optional); GPU-Integrated

Table 18. Display specifications (continued)
Description Option one Option two
Pixels Per Inch (PPI)
100 141
Contrast ratio (min.)
400:1 400:1
Response time (max.)
25 ms 35 ms
Refresh rate
60 Hz 120 Hz
Horizontal view angle
40 +/- degrees (min.) 80 +/- degrees (min.)
Vertical view angle
10 (Top)/30 (Bottom) degrees (min.) 80 +/- degrees(min.)
Pixel pitch
0.252 mm x 0.252 mm 0.179 mm x 0.179 mm
Power consumption (maximum)
4.2 W 4.2 W
Anti-glare vs glossy finish
Anti-glare Anti-glare
Touch options
No No
Fingerprint reader (optional)
The following table lists the specifications of the optional fingerprint-reader of your Inspiron 15 3521.
NOTE: The fingerprint reader is located on the power button.
Table 19. Fingerprint reader specifications
Description Values
Fingerprint-reader sensor technology
Capacitive
Fingerprint-reader sensor resolution
500 DPI
Fingerprint-reader sensor pixel size
● X: 108
● Y: 88
GPU—Integrated
The following table lists the specifications of the integrated Graphics Processing Unit (GPU) supported by your Inspiron 15 3521.
Table 20. GPU—Integrated
Controller Memory size Processor
Intel UHD Graphics 605 Shared system memory Intel Pentium N5030 Silver
Intel UHD Graphics 600 Shared system memory Intel Celeron N4020
Specifications of Inspiron 15 3521 19