Product comparison · 2 monitors

Dahua Technology LM25-B221B computer monitor vs Dahua Technology LM27-F400 computer monitor

74specifications compared
27differ
47identical
16known for one product only

Key differences

Display diagonal
- LM25-B221B computer monitor:62.2 cm (24.5")
- LM27-F400 computer monitor:68.6 cm (27")
Display resolution
- LM25-B221B computer monitor:1920 x 1080 pixels
- LM27-F400 computer monitor:3840 x 2160 pixels
HD type
- LM25-B221B computer monitor:Full HD
- LM27-F400 computer monitor:Quad HD
Display brightness (typical)
- LM25-B221B computer monitor:300 cd/m²
- LM27-F400 computer monitor:350 cd/m²
Contrast ratio (typical)
- LM25-B221B computer monitor:1500:1
- LM27-F400 computer monitor:1000:1
Maximum refresh rate
- LM25-B221B computer monitor:144 Hz
- LM27-F400 computer monitor:60 Hz
Display diagonal (metric)
- LM25-B221B computer monitor:62 cm
- LM27-F400 computer monitor:69 cm
Built-in speaker(s)
- LM25-B221B computer monitor:No
- LM27-F400 computer monitor:Yes

Side by side

Differences highlightedShow differences only

Comparison of LM25-B221B, LM27-F400
90 specifications	A Dahua Technology LM25-B221B computer monitor Model LM25-B221B View product	B Dahua Technology LM27-F400 computer monitor Model LM27-F400 View product
Display7 differ
Display diagonalDiffers	62.2 cm (24.5")	68.6 cm (27")
Display resolutionDiffers	1920 x 1080 pixels	3840 x 2160 pixels
Native aspect ratio	16:9	16:9
Display technology	LED	LED
Touchscreen	No	No
HD typeDiffers	Full HD	Quad HD
Panel type	IPS	IPS
LED backlight	Yes	Yes
Backlight type	Edge LED	Edge LED
Display brightness (typical)Differs	300 cd/m²	350 cd/m²
Response time (MPRT)Known for one	1 ms	Unknown — not stated by the source
Screen shape	Flat	Flat
Contrast ratio (typical)Differs	1500:1	1000:1
Maximum refresh rateDiffers	144 Hz	60 Hz
Viewing angle, horizontal	178°	178°
Viewing angle, vertical	178°	178°
Display number of coloursKnown for one	16.7 million colours	Unknown — not stated by the source
Pixel pitchKnown for one	0.2832 x 0.2802 mm	Unknown — not stated by the source
Pixel densityKnown for one	89.91 ppi	Unknown — not stated by the source
Viewable size, horizontalKnown for one	47.6 cm	Unknown — not stated by the source
Viewable size, verticalKnown for one	26.8 cm	Unknown — not stated by the source
Display diagonal (metric)Differs	62 cm	69 cm
Haze rate	25%	25%
Surface hardness	3H	3H
Colour gamut standard	NTSC	NTSC
NTSC coverage (typical)	85%	85%
Response timeKnown for one	Unknown — not stated by the source	5 ms
Colour depthKnown for one	Unknown — not stated by the source	8 bit
Performanceidentical
Low Blue Light technologyKnown for one	Yes	Unknown — not stated by the source
Operating hours (hours/days)Known for one	Unknown — not stated by the source	24/7
Multimedia1 differ
Built-in speaker(s)Differs	No	Yes
Built-in camera	No	No
Number of speakersKnown for one	Unknown — not stated by the source	2
RMS rated powerKnown for one	Unknown — not stated by the source	4 W
Designidentical
Product colour	Black	Black
Frameless design	Yes	Yes
Front bezel colour	Black	Black
Detachable stand	Yes	Yes
Feet colour	Black	Black
Market positioningKnown for one	Unknown — not stated by the source	Business
Ports & interfaces2 differ
Built-in USB hub	No	No
HDMI	Yes	Yes
HDMI ports quantityDiffers	1	2
HDMI versionDiffers	1.4/2.0	2.1
DisplayPorts quantity	1	1
Audio output	Yes	Yes
DisplayPort versionKnown for one	Unknown — not stated by the source	1.4
Ergonomics1 differ
VESA mounting	Yes	Yes
Panel mounting interface	100 x 100 mm	100 x 100 mm
Wall mountable	Yes	Yes
Height adjustment	No	No
Tilt adjustment	Yes	Yes
Tilt angle rangeDiffers	-5 - 20°	-5 - 15°
Plug and Play	Yes	Yes
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Power6 differ
Energy efficiency class (SDR)Differs	D	F
Energy efficiency class (HDR)	Not available	Not available
Energy consumption (SDR) per 1000 hoursDiffers	15 kWh	25 kWh
Power consumption (typical)Differs	19 W	40 W
Power consumption (standby)Differs	0.5 W	0.4 W
Power consumption (max)Differs	23.8 W	48 W
Power consumption (off)Known for one	0.3 W	Unknown — not stated by the source
AC adapter output voltage	12 V	12 V
Power supply type	External	External
Energy efficiency scale	A to G	A to G
Current ratingDiffers	2.5 A	4 A
Operational conditions1 differ
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)	-20 - 60 °C	-20 - 60 °C
Operating relative humidity (H-H)Differs	10 - 85%	10 - 90%
Storage relative humidity (H-H)	5 - 90%	5 - 90%
Weight & dimensions5 differ
Width (without stand)Differs	557.7 mm	613.7 mm
Depth (without stand)Differs	58.1 mm	48.7 mm
Height (without stand)Differs	330.6 mm	368.2 mm
Weight (without stand)Differs	2.9 kg	4.5 kg
Bezel width (side)	2.1 mm	2.1 mm
Bezel width (top)	2.1 mm	2.1 mm
Bezel width (bottom)Differs	1.96 cm	2 cm
Packaging data4 differ
Package widthDiffers	620 mm	700 mm
Package depthDiffers	134 mm	172 mm
Package heightDiffers	431 mm	477 mm
Package weightDiffers	3.9 kg	5.9 kg
Package type	Box	Box
Packaging contentidentical
Stand included	Yes	Yes
Cables included	HDMI	HDMI
Power adapter included	Yes	Yes
Quick start guide	Yes	Yes
Manual	Yes	Yes
Other featuresidentical
Compliance certificates	CE, Electromagnetic Compatibility (EMC), Low Voltage Directive (LVD)	CE, Electromagnetic Compatibility (EMC), Low Voltage Directive (LVD)
Mean time between failures (MTBF)	30000 h	30000 h
Technical detailsidentical
Native refresh rate	60 Hz	60 Hz

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.

More monitor comparisons

All monitor comparisons