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Compare 5 products

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Dell S2721QS Monitor
Dell S2721QS
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LG 27UK650 Monitor
LG 27UK650
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LG 27UK850 Monitor
LG 27UK850
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LG 27UK850-W Monitor
LG 27UK850-W
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LG 27UL500-W Monitor
LG 27UL500-W
Available colors

General

Screen size27.0 in27.0 in27.0 in27.0 in27.0 in
Brightness350.0 cd/m²450.0 cd/m²450.0 cd/m²350.0 cd/m²300.0 cd/m²
Aspect ratio16:916:916:916:916:9

Design

Colour of productGreyBlack,SilverBlack,Silver
  • Black,White
  • Silver front bezel,white back cabinet
  • Matte white back,matte black front
  • Silver
Panel designFlatFlatFlatFlatCurved
Built-in USB hubnonoyesyes
N/A
Built-in cameranononono
N/A
Touchscreen
N/A
nono
N/A
N/A
Screen surface
N/A
MatteMatte
N/A
Matte
Built-in speakers
N/A
noyesyesno

Dimensions

Height adjustment4.33 in4.33 in4.33 in4.33 in
N/A
Height (without stand)14.35 in14.35 in14.35 in14.35 in14.6 in
Height with stand20.08 in22.33 in22.03 in22.03 in18.1 in
Depth (with stand)6.88 in9.06 in9.22 in9.22 in8.2 in
Depth (without stand)2.18 in1.76 in1.8 in
N/A
N/A
Width (with stand)24.08 in24.14 in24.14 in24.14 in24.5 in
Weight0.23 oz218.7 oz215.17 oz215.17 oz180.96 oz
Height (min-max)
N/A
457.3 - 567.3448.8 - 558.8
N/A
N/A
Weight (without stand)
N/A
10.14 lb10.58 lb
N/A
N/A

Connectivity

DVI Portnononono
N/A
HDMIyesyesyes
N/A
N/A
HDMI ports quantity22222
HDMI version2.02.0
N/A
N/A
N/A
Headphone outputnoyesyesyesyes
DisplayPort version1.21.21.2
N/A
N/A
Component input (YPbPr/YCbCr)
N/A
nono
N/A
N/A
Composite input
N/A
nono
N/A
N/A
DisplayPort
N/A
yesyes
N/A
N/A
HDCP
N/A
yesyesyes
N/A
Number of HDMI inputs
N/A
22
N/A
N/A
Headphone outputs quantity
N/A
111
N/A
S-video input
N/A
nono
N/A
N/A
Thunderbolt
N/A
nono
N/A
N/A
USB for video
N/A
nono
N/A
N/A
VGA in
N/A
nono
N/A
N/A
Number of DisplayPort inputs
N/A
11
N/A
N/A
Type of DisplayPort connector
N/A
StandardStandard
N/A
N/A
Number of USB 3.0 ports
N/A
N/A
3
N/A
N/A
USB connectors (total)
N/A
N/A
3
N/A
N/A
MHL
N/A
N/A
no
N/A
N/A

Image properties

Supported graphics resolutions
  • 640 x 480
  • 720 x 400
  • 800 x 600
  • 1024 x 768
  • 1152 x 864
  • 1280 x 1024
  • 1600 x 900
  • 1920 x 1080
  • 2048 x 1280
  • 2560 x 1440
  • 3840 x 2160
3840x21603840x21603840x2160
N/A
Refresh rate60.0 Hz60.0 Hz60.0 Hz60.0 Hz60.0 Hz
HD type4K Ultra HD4K Ultra HD4K Ultra HD4K Ultra HD4K Ultra HD
Display number of colours1.07 billion colours
N/A
N/A
N/A
1.073 billion colours
Display technologyLCDLEDLEDLEDLED
BacklightW-LEDLEDLEDWLEDWLED
Panel typeIPSIPSIPSAH-IPSIPS
Response time4.0 ms5.0 ms5.0 ms5.0 ms5.0 ms
Viewing angle (horizontal)178.0 °178.0 °178.0 °178.0 °178.0 °
Viewing angle (vertical)178.0 °178.0 °178.0 °178.0 °178.0 °
Maximum resolution
N/A
3840 x 2160 px3840 x 2160 px
N/A
N/A
Colour depth (per channel)
N/A
10.0 bit10.0 bit
N/A
N/A
Colour gamut (Adobe RGB)
N/A
80.0 %
N/A
N/A
N/A
Dynamic contrast ratio
N/A
5000000:15000000:1
N/A
N/A
Contrast ratio
N/A
1000:11000:1
N/A
N/A
Response time (GtG)
N/A
5.0 ms5.0 ms
N/A
N/A
Pixel size
N/A
0.01 in0.01 in
N/A
N/A
Picture-in-Picture (PIP)
N/A
N/A
no
N/A
N/A

Compatibility

VESA mountyesyesyesyesyes
Type of VESA mount100x100mm100x100mm100x100mm100x100mm100x100mm
3D support (3D-Ready)
N/A
nonono
N/A
Adaptive synchronization
N/A
yesyes
N/A
N/A
HDR
N/A
yesyes
N/A
N/A
Sync technology
N/A
AMD FreesyncAMD Freesync
N/A
N/A
VESA DisplayHDR certification
N/A
DisplayHDR 400DisplayHDR 1000
N/A
N/A

Eco-labelling

EnergyStaryesyesyesyesyes
EPEAT
N/A
GoldGoldGold
N/A
TCO-labelling
N/A
N/A
None
N/A
N/A

Power

Energy efficiency classGABBG
Power consumption (standby)0.2 W0.5 W0.5 W
N/A
0.5 W
Power consumption (typical)28.8 W30.0 W41.0 W32.0 W36.0 W
Operational power consumption
N/A
< 3032 - 50
N/A
N/A
Connecting 9V/12V/14V
N/A
N/A
None
N/A
N/A

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Often compared with LG 27UK650

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Often compared with LG 27UK850

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LG 27UK850 Monitor
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Often compared with LG 27UK850-W

LG 27UK850-W Monitor
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Often compared with LG 27UL500-W

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LG 27UL500-W Monitor
Dell S2721QS
LG27UL500-W
DellS2721QS