75
Resolution
Horizontal Frequency
(kHz)
Vertical Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity
(H/V)
VESA, 800 x 600
48.077
72.188
50.000
+/+
VESA, 800 x 600
46.875
75.000
49.500
+/+
VESA, 1024 x 768
48.363
60.004
65.000
-/-
VESA, 1024 x 768
56.476
70.069
75.000
-/-
VESA, 1024 x 768
60.023
75.029
78.750
+/+
VESA, 1152 x 864
67.500
75.000
108.000
+/+
VESA, 1280 x 720
45.000
60.000
74.250
+/+
VESA, 1280 x 800
49.702
59.810
83.500
-/+
VESA, 1280 x 1024
63.981
60.020
108.000
+/+
VESA, 1280 x 1024
79.976
75.025
135.000
+/+
VESA, 1440 x 900
55.935
59.887
106.500
-/+
VESA, 1600 x 900 RB
60.000
60.000
108.000
+/+
VESA, 1680 x 1050
65.290
59.954
146.250
-/+
VESA, 1920 x 1080
67.500
60.000
148.500
+/+
-
Horizontal Frequency
The time required to scan a single line
from the left to the right side of the
screen is called a horizontal cycle. The
reciprocal number of a horizontal cycle
is called horizontal frequency. Horizontal
frequency is measured in kHz.
-
Vertical Frequency
Repeating the same picture dozens of
times per second allows you to view
natural pictures. The repeat frequency is
called "vertical frequency" or "refresh rate"
and is indicated in Hz.
