Product Comparison
Technical Specifications
Feature

Brand: LG Electronics|SKU: 27U421A-B.AEKQ
LG 27U421A-B
£86.79
Stock: 4

Brand: LG Electronics|SKU: 24U421A-B.AEKQ
LG 24U421A-B
£70.75
Stock: 51

Brand: LG Electronics|SKU: 24BA450-B.AEKQ
LG 24BA450-B
£107.06
Stock: 88
General
Aspect Ratio
—
—
16:9
16:9
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Brightness
—
—
250 cd/m²
250 cd/m²
—
Colour
—
—
Matte black
Matte black
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Colour Gamut
—
—
99% sRGB
99% sRGB
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Contrast Ratio
—
—
3000:1
3000:1
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Curved Screen
—
—
Yes (1500R)
Yes (1500R)
—
Diagonal Size
—
—
27"
24"
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Dimensions (WxDxH)
—
—
60.958 cm x 17 cm x 45.148 cm
53.632 cm x 17 cm x 41.192 cm
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Display Type
—
—
LCD monitor / TFT active matrix
LCD monitor / TFT active matrix
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Energy Class
—
—
Class D
Class D
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Energy Class (HDR)
—
—
Class E
Class E
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Features
—
—
Picture Mode, Cinema Mode, CustomColor Mode, FPS Mode, Flicker Safe, Reader Mode, RTS Mode, Smart Energy Saving technology, Black Stabilizer, Color Weakness Mode, Super Resolution+, Noise Reduction, vivid mode, HDR Effect, Dynamic Action Sync
Picture Mode, Cinema Mode, CustomColor Mode, FPS Mode, Flicker Safe, Reader Mode, RTS Mode, Smart Energy Saving technology, Black Stabilizer, Color Weakness Mode, Super Resolution+, Noise Reduction, vivid mode, HDR Effect, 3-sided borderless, Dynamic Action Sync
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HDR Format
—
—
HDR10
HDR10
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Horizontal Viewing Angle
—
—
178
178
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Native Resolution
—
—
Full HD (1080p) 1920 x 1080 at 100 Hz
Full HD (1080p) 1920 x 1080 at 100 Hz
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Panel Type
—
—
VA
VA
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Response Time
—
—
5 ms (grey-to-grey)
5 ms (grey-to-grey)
—
Screen Coating
—
—
Anti-glare
Anti-glare
—
USB Power Delivery
—
—
15 Watt
15 Watt
—
Vertical Viewing Angle
—
—
178
178
—
Viewable Size
—
—
—
23.8"
—
Weight
—
—
3.72 kg
2.92 kg
—
Display
Anti-glare screen
—
—
—
—
Yes
Colour gamut
99%
—
—
—
—
Colour gamut standard
sRGB
—
—
—
—
Contrast ratio (typical)
3000:1
—
—
—
1300:1
Display brightness (typical)
300 cd/m²
—
—
—
250 cd/m²
Display diagonal
86.4 cm (34")
—
—
—
60.5 cm (23.8")
Display diagonal (metric)
—
—
—
—
60.4 cm
Display number of colours
16.7 million colours
—
—
—
16.7 million colours
Display resolution
3440 x 1440 pixels
—
—
—
1920 x 1080 pixels
HD type
Wide Quad HD
—
—
—
Full HD
High Dynamic Range (HDR) supported
Yes
—
—
—
No
High Dynamic Range (HDR) technology
HDR Effect, High Dynamic Range 10 (HDR10)
—
—
—
—
Maximum refresh rate
100 Hz
—
—
—
100 Hz
Native aspect ratio
21:9
—
—
—
16:9
Panel type
VA
—
—
—
IPS
Pixel pitch
0.2318 x 0.2318 mm
—
—
—
0.2745 x 0.2745 mm
Response time
5 ms
—
—
—
5 ms
Screen shape
Curved
—
—
—
Flat
sRGB coverage (typical)
—
—
—
—
99%
Touchscreen
No
—
—
—
No
Viewing angle, horizontal
178°
—
—
—
178°
Viewing angle, vertical
178°
—
—
—
178°
Power
AC adapter output voltage
—
—
—
—
19 V
AC input frequency
50/60 Hz
—
—
—
50/60 Hz
AC input voltage
100 - 240 V
—
—
—
100 - 240 V
Energy consumption (HDR) per 1000 hours
45 kWh
—
—
—
—
Energy consumption (SDR) per 1000 hours
28 kWh
—
—
—
13 kWh
Energy efficiency class (HDR)
G
—
—
—
Not available
Energy efficiency class (SDR)
F
—
—
—
D
Energy efficiency scale
A to G
—
—
—
A to G
European Product Registry for Energy Labelling (EPREL) code
—
—
—
—
1967640
Input current
—
—
—
—
2.2 A
Power consumption (off)
0.5 W
—
—
—
0.3 W
Power consumption (standby)
0.5 W
—
—
—
0.5 W
Power Consumption HDR (On mode)
—
—
22 kWh/1000h
22 kWh/1000h
—
Power Consumption SDR (On mode)
—
—
17 kWh/1000h
—
—
Power supply type
External
—
—
—
Internal
Miscellaneous
Cables Included
—
—
1 x HDMI cable
1 x HDMI cable
—
Ergonomics
Adjustable height (max)
—
—
—
—
15 cm
Height adjustment
Yes
—
—
—
Yes
Number of OSD languages
—
—
—
—
18
On Screen Display (OSD)
Yes
—
—
—
Yes
Panel mounting interface
100 x 100 mm
—
—
—
100 x 100 mm
Swivel angle range
—
—
—
—
-45 - 45°
Swivelling
—
—
—
—
Yes
Tilt adjustment
Yes
—
—
—
Yes
Tilt angle range
—
—
—
—
-5 - 21°
VESA mounting
Yes
—
—
—
Yes
Other features
Brand specific technologies
Black Stabilizer, DAS Mode
—
—
—
Black Stabilizer, DAS Mode
Country of origin
South Korea
—
—
—
South Korea
Picture-by-Picture (PbP)
Yes
—
—
—
—
Warranty period
—
—
—
—
2 year(s)
Multimedia
Built-in speaker(s)
—
—
—
—
Yes
Number of speakers
—
—
—
—
2
RMS rated power
—
—
—
—
4 W
Ports & interfaces
Built-in USB hub
Yes
—
—
—
No
DisplayPort version
—
—
—
—
1.2
DisplayPorts quantity
1
—
—
—
1
HDCP
—
—
—
—
Yes
HDCP version
—
—
—
—
1.4
HDMI
Yes
—
—
—
Yes
HDMI ports quantity
2
—
—
—
1
HDMI version
—
—
—
—
1.4
Headphone out
Yes
—
—
—
Yes
Number of USB Type-C upstream ports quantity
1
—
—
—
—
USB Power Delivery (USB PD)
Yes
—
—
—
—
USB Power Delivery up to
65 W
—
—
—
—
USB Type-A downstream ports quantity
1
—
—
—
—
VGA (D-Sub) ports quantity
—
—
—
—
1
Packaging content
Cables included
USB Type-C
—
—
—
DisplayPort, HDMI
HDMI cable length
—
—
—
—
1.8 m
Stand included
Yes
—
—
—
Yes
Weight & dimensions
Depth (with stand)
259.1 mm
—
—
—
239.9 mm
Depth (without stand)
91.4 mm
—
—
—
50.8 mm
Height (with stand)
569 mm
—
—
—
508.9 mm
Height (without stand)
358.1 mm
—
—
—
319.8 mm
Weight (with stand)
6.89 kg
—
—
—
—
Weight (without stand)
4.99 kg
—
—
—
—
Width (with stand)
810.3 mm
—
—
—
538.6 mm
Width (without stand)
810.3 mm
—
—
—
538.6 mm
Design
Detachable stand
—
—
—
—
Yes
Market positioning
Business
—
—
—
—
Product colour
Black
—
—
—
Black
Mechanical
Display Position Adjustments
—
—
Tilt
Tilt
—
VESA Mounting Interface
—
—
100 x 100 mm
100 x 100 mm
—
Performance
Flicker-free technology
Yes
—
—
—
Yes
Smart modes
Energy saving
—
—
—
Energy saving
Connectivity
Interfaces
—
—
2 x HDMI, USB-C (DisplayPort Alt Mode, power up to 15W), Headphone jack (mini-jack)
2 x HDMI, USB-C (DisplayPort Alt Mode, power up to 15W), Headphone jack (mini-jack)
—
Packaging data
Package depth
10.8 mm
—
—
—
—
Package height
523.2 mm
—
—
—
—
Package weight
10.3 kg
—
—
—
—
Package width
985.5 mm
—
—
—
—
Manufacturer Warranty
Service & Support
—
—
Limited warranty - 2 years
Limited warranty - 2 years
—
Sustainability
Sustainability certificates
—
—
—
—
ENERGY STAR, EPEAT Bronze, ErP, TCO