Product comparison · 2 monitors

Acer B7 B277Kbmiipprzx vs Samsung LC34J791WTEXXY computer monitor

40specifications compared
26differ
14identical
53known for one product only

Key differences

Display diagonal
- B7 B277Kbmiipprzx:68.6 cm (27")
- LC34J791WTEXXY computer monitor:86.4 cm (34")
Display resolution
- B7 B277Kbmiipprzx:3840 x 2160 pixels
- LC34J791WTEXXY computer monitor:3440 x 1440 pixels
Native aspect ratio
- B7 B277Kbmiipprzx:16:9
- LC34J791WTEXXY computer monitor:21:9
Display technology
- B7 B277Kbmiipprzx:LED
- LC34J791WTEXXY computer monitor:QLED
HD type
- B7 B277Kbmiipprzx:4K Ultra HD
- LC34J791WTEXXY computer monitor:UltraWide Quad HD
Panel type
- B7 B277Kbmiipprzx:IPS
- LC34J791WTEXXY computer monitor:VA
Display brightness (typical)
- B7 B277Kbmiipprzx:300 cd/m²
- LC34J791WTEXXY computer monitor:250 cd/m²
Screen shape
- B7 B277Kbmiipprzx:Flat
- LC34J791WTEXXY computer monitor:Curved

Side by side

Differences highlightedShow differences only

Comparison of B277Kbmiipprzx, LC34J791WTEXXY
93 specifications	A Acer B7 B277Kbmiipprzx Model B277Kbmiipprzx View product	B Samsung LC34J791WTEXXY computer monitor Model LC34J791WTEXXY View product
Display12 differ
Display diagonalDiffers	68.6 cm (27")	86.4 cm (34")
Display resolutionDiffers	3840 x 2160 pixels	3440 x 1440 pixels
Native aspect ratioDiffers	16:9	21:9
Display technologyDiffers	LED	QLED
Touchscreen	No	No
HD typeDiffers	4K Ultra HD	UltraWide Quad HD
Panel typeDiffers	IPS	VA
Display brightness (typical)Differs	300 cd/m²	250 cd/m²
Response time	4 ms	4 ms
Screen shapeDiffers	Flat	Curved
Supported graphics resolutionsKnown for one	3840 x 2160	Unknown — not stated by the source
Aspect ratioKnown for one	16:9	Unknown — not stated by the source
Contrast ratio (typical)Differs	1000:1	3000:1
Contrast ratio (dynamic)Known for one	10000000:1	Unknown — not stated by the source
Maximum refresh rateDiffers	60 Hz	100 Hz
Viewing angle, horizontal	178°	178°
Viewing angle, vertical	178°	178°
Display number of coloursDiffers	1.073 billion colours	16.7 million colours
Pixel pitchKnown for one	0.156 x 0.156 mm	Unknown — not stated by the source
Viewable size, horizontalKnown for one	59.7 cm	Unknown — not stated by the source
Viewable size, verticalDiffers	33.6 cm	33.4 cm
Colour gamut standardKnown for one	sRGB	Unknown — not stated by the source
3DKnown for one	No	Unknown — not stated by the source
Dynamic contrast ratio marketing nameKnown for one	Unknown — not stated by the source	Mega Contrast
Viewable size diagonalKnown for one	Unknown — not stated by the source	79.7 cm
High Dynamic Range (HDR) supportedKnown for one	Unknown — not stated by the source	No
Colour gamutKnown for one	Unknown — not stated by the source	92%
sRGB coverage (typical)Known for one	Unknown — not stated by the source	125%
Adobe RGB coverageKnown for one	Unknown — not stated by the source	92%
Performance1 differ
NVIDIA G-SYNC	No	No
AMD FreeSyncDiffers	No	Yes
AMD FreeSync typeKnown for one	Unknown — not stated by the source	FreeSync
Flicker-free technologyKnown for one	Unknown — not stated by the source	Yes
Game modeKnown for one	Unknown — not stated by the source	Yes
Multimediaidentical
Built-in speaker(s)	Yes	Yes
Number of speakersKnown for one	2	Unknown — not stated by the source
RMS rated powerKnown for one	4 W	Unknown — not stated by the source
Built-in camera	No	No
Design1 differ
Product colourDiffers	Black	Grey
Market positioningKnown for one	Unknown — not stated by the source	Home
Ports & interfaces1 differ
Built-in USB hub	Yes	Yes
DVI portKnown for one	No	Unknown — not stated by the source
HDMI ports quantityDiffers	1	2
DisplayPorts quantity	1	1
Audio outputKnown for one	Yes	Unknown — not stated by the source
USB hub versionKnown for one	Unknown — not stated by the source	3.2 Gen 1 (3.1 Gen 1)
Number of upstream portsKnown for one	Unknown — not stated by the source	2
HDMIKnown for one	Unknown — not stated by the source	Yes
HDMI versionKnown for one	Unknown — not stated by the source	2.0
DisplayPort versionKnown for one	Unknown — not stated by the source	1.2
Headphone outKnown for one	Unknown — not stated by the source	Yes
Ergonomics2 differ
VESA mounting	Yes	Yes
Panel mounting interface	100 x 100 mm	100 x 100 mm
Height adjustment	Yes	Yes
Adjustable height (max)Differs	12 cm	10 cm
PivotKnown for one	Yes	Unknown — not stated by the source
SwivellingKnown for one	Yes	Unknown — not stated by the source
Tilt adjustment	Yes	Yes
Tilt angle rangeDiffers	-5 - 25°	-2 - 34°
On Screen Display (OSD)Known for one	Yes	Unknown — not stated by the source
On Screen Display (OSD) languagesKnown for one	Simplified Chinese, German, Dutch, English, Spanish, Finnish, French, Italian, Polish, Portuguese, Russian	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	31 W	64.46 W
Power consumption (standby)Known for one	0.35 W	Unknown — not stated by the source
Power consumption (off)Differs	0.35 W	0.3 W
Annual energy consumptionKnown for one	56 kWh	Unknown — not stated by the source
Power consumption (max)Known for one	Unknown — not stated by the source	180 W
AC input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 40 °C	10 - 40 °C
Storage temperature (T-T)Known for one	-20 - 60 °C	Unknown — not stated by the source
Relative humidityKnown for one	20 - 80%	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 80%
Weight & dimensions4 differ
Width (with stand)Differs	614 mm	808.7 mm
Depth (with stand)Differs	207 mm	309.4 mm
Height (with stand)Differs	521 mm	516 mm
Weight (with stand)Differs	6.5 kg	7.7 kg
Width (without stand)Known for one	Unknown — not stated by the source	808.7 mm
Depth (without stand)Known for one	Unknown — not stated by the source	167 mm
Height (without stand)Known for one	Unknown — not stated by the source	362.8 mm
Weight (without stand)Known for one	Unknown — not stated by the source	6.3 kg
Packaging data1 differ
Package weightDiffers	9.53 kg	13.9 kg
Package typeKnown for one	Box	Unknown — not stated by the source
Package widthKnown for one	Unknown — not stated by the source	896 mm
Package depthKnown for one	Unknown — not stated by the source	371 mm
Package heightKnown for one	Unknown — not stated by the source	589 mm
Packaging content1 differ
Stand includedKnown for one	Yes	Unknown — not stated by the source
Cables includedDiffers	AC, DisplayPort, USB	HDMI
Quick start guide	Yes	Yes
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Energy efficiency class (legacy scale)Known for one	B	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	30000 h	Unknown — not stated by the source
CertificationKnown for one	TCO 7.0	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	85285210	Unknown — not stated by the source

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