Comparison between:
- 23.8" Dell S2421H
- 23.8" Acer KA242Ybmix
- 23.6" Samsung F24T40
- 23.6" Samsung C24T55

Brand, series, model

Information about the brand, series, model and model aliases.

Dell S2421HAcer KA242YbmixSamsung F24T40Samsung C24T55
Series-KA2T40FT55
Dell S2421HAcer KA242YbmixSamsung F24T40Samsung C24T55
Model alias-KA242 Ybmix
KA242Y bi
KA242Ybi
F24T400
LF24T400FHUXEN
LC24T55
Model year2020202020202020

Display

Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.

Size class23.8 in23.8 in23.6 in23.6 in
Diagonal604.478 mm
60.4478 cm
23.7983 in
1.9832 ft
604 mm
60.4 cm
23.7795 in
1.9816 ft
599 mm
59.9 cm
23.5827 in
1.9652 ft
598.21 mm
59.821 cm
23.5516 in
1.9626 ft
Width527.04 mm
52.704 cm
20.7496 in
1.7291 ft
527.04 mm
52.704 cm
20.7496 in
1.7291 ft
521.28 mm
52.128 cm
20.5228 in
1.7102 ft
521.39 mm
52.139 cm
20.5272 in
1.7106 ft
Height296.46 mm
29.646 cm
11.6717 in
0.9726 ft
296.46 mm
29.646 cm
11.6717 in
0.9726 ft
293.22 mm
29.322 cm
11.5441 in
0.962 ft
293.28 mm
29.328 cm
11.5465 in
0.9622 ft
Radius of curvature---1000 mm
100 cm
39.3701 in
3.2808 ft
Panel manufacturer---Samsung
Panel typeIPSIPSPLSVA
Panel bit depth8 bits8 bits (6 bits + FRC)8 bits (6 bits + FRC)8 bits
FRC-YesYes-
Colors16777216 colors
24 bits
16777216 colors
24 bits
16777216 colors
24 bits
16777216 colors
24 bits
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
Resolution1920 x 1080 pixels
Full HD / 1080p
1920 x 1080 pixels
Full HD / 1080p
1920 x 1080 pixels
Full HD / 1080p
1920 x 1080 pixels
Full HD / 1080p
Pixel pitch0.275 mm
0.0275 cm
0.0108 in
0.0009 ft
0.275 mm
0.0275 cm
0.0108 in
0.0009 ft
0.272 mm
0.0272 cm
0.0107 in
0.0009 ft
0.272 mm
0.0272 cm
0.0107 in
0.0009 ft
Pixel density92 ppi
36 ppcm
92 ppi
36 ppcm
93 ppi
36 ppcm
93 ppi
36 ppcm
Display area90.06 %-87.02 %87.08 %
BacklightW-LEDW-LEDW-LEDW-LED
sRGB---119.3 %
Adobe RGB (1998)---88.4 %
NTSC (1953)72 %72 %-80 %
DCI P3---88 %
Brightness250 cd/m²250 cd/m²250 cd/m²250 cd/m²
Static contrast1000 : 11000 : 11000 : 13000 : 1
Dynamic contrast-100000000 : 1--
Horizontal viewing angle178 °178 °178 °178 °
Vertical viewing angle178 °178 °178 °178 °
Minimum response time4 ms
0.0040 s
-4 ms
0.0040 s
4 ms
0.0040 s
Average response time8 ms
0.0080 s
---
CoatingAnti-glare/Matte (3H)Anti-glare/MatteAnti-glare/MatteAnti-glare/Matte
-Response time - 1 ms (VRB - Virtual Response Boost)--

3D

3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.

3DNoNoNoNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Horizontal frequency (digital)30 kHz - 83 kHz30 kHz - 85 kHz--
Vertical frequency (digital)48 Hz - 75 Hz48 Hz - 75 Hz60 Hz75 Hz

Power supply and consumption

Information about the power supply and consumption, energy efficiency class, etc.

110V100 V - 120 V100 V - 120 V100 V - 120 V100 V - 120 V
220V220 V - 240 V220 V - 240 V220 V - 240 V220 V - 240 V
Alternating current frequency50 Hz - 60 Hz50 Hz - 60 Hz50 Hz - 60 Hz50 Hz - 60 Hz
Power consumption (off)0.3 W0.25 W0.3 W0.3 W
Power consumption (sleep)0.3 W0.31 W0.3 W0.3 W
Power consumption (eco)11.81 W---
Power consumption (average)20 W14.9 W-33 W
Power consumption (maximum)30 W28 W--
Power consumption (annual)37.52 kWh--48 kWh
Energy efficiency class---B

Dimensions, weight and color

Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.

Width537.8 mm
53.78 cm
21.1732 in
1.7644 ft
-547.7 mm
54.77 cm
21.563 in
1.7969 ft
539.5 mm
53.95 cm
21.2402 in
1.77 ft
Height322.6 mm
32.26 cm
12.7008 in
1.0584 ft
-320.7 mm
32.07 cm
12.626 in
1.0522 ft
325.5 mm
32.55 cm
12.815 in
1.0679 ft
Depth53.8 mm
5.38 cm
2.1181 in
0.1765 ft
-40.6 mm
4.06 cm
1.5984 in
0.1332 ft
103 mm
10.3 cm
4.0551 in
0.3379 ft
Weight3.4 kg
7.5 lbs
3.28 kg
7.23 lbs
2.5 kg
5.51 lbs
2.9 kg
6.39 lbs
Width with stand537.8 mm
53.78 cm
21.1732 in
1.7644 ft
540 mm
54 cm
21.2598 in
1.7717 ft
547.7 mm
54.77 cm
21.563 in
1.7969 ft
539.5 mm
53.95 cm
21.2402 in
1.77 ft
Height with stand412.8 mm
41.28 cm
16.252 in
1.3543 ft
414 mm
41.4 cm
16.2992 in
1.3583 ft
376.4 mm
37.64 cm
14.8189 in
1.2349 ft
413.6 mm
41.36 cm
16.2835 in
1.357 ft
Depth with stand152.8 mm
15.28 cm
6.0157 in
0.5013 ft
192 mm
19.2 cm
7.5591 in
0.6299 ft
224 mm
22.4 cm
8.8189 in
0.7349 ft
249.6 mm
24.96 cm
9.8268 in
0.8189 ft
Weight with stand4.2 kg
9.26 lbs
3.7 kg
8.16 lbs
43.4 kg
95.68 lbs
4.2 kg
9.26 lbs
Box width--612 mm
61.2 cm
24.0945 in
2.0079 ft
605 mm
60.5 cm
23.8189 in
1.9849 ft
Box height--385 mm
38.5 cm
15.1575 in
1.2631 ft
387 mm
38.7 cm
15.2362 in
1.2697 ft
Box depth--176 mm
17.6 cm
6.9291 in
0.5774 ft
194 mm
19.4 cm
7.6378 in
0.6365 ft
Box weight6 kg
13.23 lbs
-5.5 kg
12.13 lbs
5.6 kg
12.35 lbs
ColorsSilverBlackBlackGray
Blue

Ergonomics

Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.

VESA mountYesYesYesNo
VESA interface100 x 100 mm100 x 100 mm100 x 100 mm-
Removable standYesYesYesNo
Height adjustmentNoNoYesNo
Height adjustment range--130 mm
13 cm
5.1181 in
0.4265 ft
-
Landscape/portrait pivotNoNoYesNo
Left pivot--95 °-
Right pivot--95 °-
Left/right swivelNoNoYesNo
Left swivel--45 °-
Right swivel--45 °-
Forward/backward tiltYesYes-Yes
Forward tilt5 °5 °--
Backward tilt21 °15 °-20 °
Stand width - 249 mm
Stand depth - 152.8 mm
---

Audio

Information about the audio system - number and power of the built-in speakers, supported audio technologies.

Speakers2 x 3 W2 x 2 W--

Camera

Many contemporary desktop monitors and smart TV sets have built-in cameras.

CameraNoNoNoNo

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity2 x HDMI 1.4
1 x 3.5 mm Audio Out
1 x HDMI 1.4
1 x D-sub
1 x 3.5 mm Audio In
1 x 3.5 mm Audio Out
1 x HDMI 1.4
1 x D-sub
1 x HDMI 1.4
1 x DisplayPort 1.2
1 x D-sub
1 x 3.5 mm Audio Out
High-bandwidth Digital Content Protection (HDCP) 1.4---

Features

Some additional functional features of the model.

Features3-sided bezeless design
AMD FreeSync technology
Flicker-free technology
Low Blue Light
AMD FreeSync technology
Flicker-free technology
Low Blue Light
AMD FreeSync
Flicker-free technology
Game Mode
Low Blue Light
AMD FreeSync technology
Flicker-free technology
Game Mode
Eco Saving Plus
Low Blue Light
Off Timer Plus

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licensesENERGY STAR 8.0
EPEAT
RoHS
TCO Certified
TUV Flicker Free
TUV Low Blue Light
RoHS
J-Moss Green Mark
PC Recycling
PSE
MPRⅡ
ISO9241-307
VCCI-B
FCC
CE
CCC
--

Operating and storage conditions

There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.

Operating temperature0 °C - 40 °C
32 °F - 104 °F
0 °C - 40 °C
32 °F - 104 °F
10 °C - 40 °C
50 °F - 104 °F
10 °C - 40 °C
50 °F - 104 °F
Operating humidity10 % - 80 %20 % - 85 %10 % - 80 %10 % - 80 %
Operating altitude5000 m
16404.2 ft
---
Storage temperature-20 °C - 60 °C
-4 °F - 140 °F
---
Storage humidity5 % - 90 %---
Storage altitude12192 m
40000 ft
---

Accessories

Often the packaging of desktop monitors and smart TV sets includes accessories for them.

AccessoriesHDMI cableHDMI cable
Audio cable
-HDMI cable

Additional features

Information about other features.

Additional featuresAnti-theft stand lock slot - KensingtonAnti-theft stand lock slot - Kensington--
 Dell S2421HAcer KA242YbmixSamsung F24T40Samsung C24T55