Product comparison · 2 monitors

HP LM975A8 computer monitor vs LG E2251S computer monitor

31specifications compared
18differ
13identical
32known for one product only

Key differences

Display diagonal
- LM975A8 computer monitor:50.8 cm (20")
- E2251S computer monitor:54.6 cm (21.5")
Display resolution
- LM975A8 computer monitor:1600 x 900 pixels
- E2251S computer monitor:1920 x 1080 pixels
Supported graphics resolutions
- LM975A8 computer monitor:1600 x 900
- E2251S computer monitor:1920 x 1080 (HD 1080)
Viewing angle, horizontal
- LM975A8 computer monitor:178°
- E2251S computer monitor:170°
Viewing angle, vertical
- LM975A8 computer monitor:178°
- E2251S computer monitor:160°
Pixel pitch
- LM975A8 computer monitor:0.277 x 0.277 mm
- E2251S computer monitor:0.248 x 0.248 mm
DVI-D ports quantity
- LM975A8 computer monitor:1
- E2251S computer monitor:0
Cable lock slot
- LM975A8 computer monitor:Yes
- E2251S computer monitor:No

Side by side

Differences highlightedShow differences only

Comparison of LM975A8, E2251S
63 specifications	A HP LM975A8 computer monitor Model LM975A8 View product	B LG E2251S computer monitor Model E2251S View product
Display6 differ
Display diagonalDiffers	50.8 cm (20")	54.6 cm (21.5")
Display resolutionDiffers	1600 x 900 pixels	1920 x 1080 pixels
Native aspect ratio	16:9	16:9
Touchscreen	No	No
Display brightness (typical)	250 cd/m²	250 cd/m²
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Supported graphics resolutionsDiffers	1600 x 900	1920 x 1080 (HD 1080)
Aspect ratio	16:9	16:9
Contrast ratio (typical)	1000:1	1000:1
Viewing angle, horizontalDiffers	178°	170°
Viewing angle, verticalDiffers	178°	160°
Pixel pitchDiffers	0.277 x 0.277 mm	0.248 x 0.248 mm
3D	No	No
HD typeKnown for one	Unknown — not stated by the source	Full HD
Response timeKnown for one	Unknown — not stated by the source	5 ms
Contrast ratio (dynamic)Known for one	Unknown — not stated by the source	5000000:1
Display number of coloursKnown for one	Unknown — not stated by the source	16.78 million colours
Horizontal scan rangeKnown for one	Unknown — not stated by the source	30 - 83 kHz
Vertical scan rangeKnown for one	Unknown — not stated by the source	56 - 75 Hz
Performanceidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Multimediaidentical
Built-in speaker(s)	No	No
Built-in camera	No	No
Ports & interfaces1 differ
VGA (D-Sub) ports quantity	1	1
DVI-D ports quantityDiffers	1	0
HDMIKnown for one	No	Unknown — not stated by the source
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
AC (power) inKnown for one	Yes	Unknown — not stated by the source
USB Type-A downstream ports quantityKnown for one	Unknown — not stated by the source	0
DVI-I ports quantityKnown for one	Unknown — not stated by the source	0
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
HDCPKnown for one	Unknown — not stated by the source	No
Networkidentical
Ethernet LANKnown for one	No	Unknown — not stated by the source
Ergonomics2 differ
Cable lock slotDiffers	Yes	No
Tilt angle rangeDiffers	-5 - 30°	-5 - 15°
On Screen Display (OSD)Known for one	Yes	Unknown — not stated by the source
Plug and Play	Yes	Yes
VESA mountingKnown for one	Unknown — not stated by the source	Yes
Panel mounting interfaceKnown for one	Unknown — not stated by the source	75 x 75 mm
Power2 differ
Power consumption (typical)Differs	33 W	26 W
Power consumption (standby)Differs	0.3 W	0.5 W
Power consumption (PowerSave)Known for one	27 W	Unknown — not stated by the source
AC input voltage	100 - 240 V	100 - 240 V
AC input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 80%	Unknown — not stated by the source
Weight & dimensions7 differ
Width (with stand)Differs	482 mm	517.5 mm
Depth (with stand)Differs	136 mm	186.5 mm
Height (with stand)Differs	358 mm	394.8 mm
Weight (with stand)Differs	3.8 kg	2.45 kg
Width (without stand)Differs	482 mm	517.5 mm
Depth (without stand)Differs	47.5 mm	33.5 mm
Height (without stand)Differs	294.1 mm	317.3 mm
Weight (without stand)Known for one	Unknown — not stated by the source	2.01 kg
Packaging contentidentical
Cables includedKnown for one	DisplayPort, VGA	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other featuresidentical
Country of originKnown for one	China	Unknown — not stated by the source
TV tuner integrated	No	No
CertificationKnown for one	EPEAT Silver	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	LED
Thin Clientidentical
Thin client installed	No	No
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Packaging dataidentical
Package weightKnown for one	Unknown — not stated by the source	4.1 kg

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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