Display
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Type
14.0” HD WLED TrueLife
(1366 x 768)
14.0” HD+ WLED TrueLife
(optional) (1600 x 900)
(Inspiron 14R-5420/7420)
15.6” HD WLED TrueLife
(1366 x 768)
15.6” FHD WLED, AG
(optional) (1920 x 1080)
Maximum resolution
1600 x 900 (Inspiron 14R-
5420/7420)
1366 x 768 (Inspiron
M421R-5425)
1920 x 1080
Dimensions
Height
173.95 mm
(6.85 inches)
193.54 mm
(7.62 inches)
Width
309.40 mm
(12.18 inches)
344.23 mm
(13.55 inches)
Diagonal
355.60 mm
(14.00 inches)
396.42 mm
(15.60 inches)
Refresh rate
60 Hz
60 Hz
Operating angle
0 degree (closed) to
135 degrees
0 degree (closed) to
135 degrees
Horizontal viewing angle 40/40
40/40
Vertical viewing angle
15/30 (H/L)
15/30 (H/L)
Pixel pitch
0.226 mm x 0.226 mm
0.252 mm x 0.252 mm
Camera
Inspiron
14R-5420/7420/
M421R-5425
Inspiron
15R-5520/7520/
M521R-5525
Camera resolution
720p HD;
1280 x 720 pixels
720p HD;
1280 x 720 pixels
Video resolution
(maximum)
1280 x 720 pixels
1280 x 720 pixels
Diagonal viewing angle
60 degrees
60 degrees