Product comparison · 2 monitors

Acer K2 K272HULB computer monitor vs Lenovo ThinkVision 28 computer monitor

16specifications compared
10differ
6identical
51known for one product only

Key differences

Display diagonal
- K2 K272HULB computer monitor:68.6 cm (27")
- ThinkVision 28 computer monitor:71.1 cm (28")
Display resolution
- K2 K272HULB computer monitor:2560 x 1440 pixels
- ThinkVision 28 computer monitor:3840 x 2160 pixels
HD type
- K2 K272HULB computer monitor:Quad HD
- ThinkVision 28 computer monitor:4K Ultra HD
Response time
- K2 K272HULB computer monitor:2 ms
- ThinkVision 28 computer monitor:5 ms
Supported graphics resolutions
- K2 K272HULB computer monitor:2560 x 1440
- ThinkVision 28 computer monitor:3840 x 2160
Product colour
- K2 K272HULB computer monitor:Black
- ThinkVision 28 computer monitor:Black, Silver
DVI port
- K2 K272HULB computer monitor:Yes
- ThinkVision 28 computer monitor:No
HDMI ports quantity
- K2 K272HULB computer monitor:1
- ThinkVision 28 computer monitor:3

Side by side

Differences highlightedShow differences only

Comparison of K272HULB, 28
67 specifications	A Acer K2 K272HULB computer monitor Model K272HULB View product	B Lenovo ThinkVision 28 computer monitor Model 28 View product
Display5 differ
Display diagonalDiffers	68.6 cm (27")	71.1 cm (28")
Display resolutionDiffers	2560 x 1440 pixels	3840 x 2160 pixels
Native aspect ratio	16:9	16:9
Display technologyKnown for one	Unknown — not stated by the source	LED
Touchscreen	No	No
HD typeDiffers	Quad HD	4K Ultra HD
Panel typeKnown for one	Unknown — not stated by the source	TN
Display brightness (typical)Known for one	Unknown — not stated by the source	270 cd/m²
Response timeDiffers	2 ms	5 ms
Supported graphics resolutionsDiffers	2560 x 1440	3840 x 2160
Aspect ratio	16:9	16:9
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	170°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	160°
Display number of coloursKnown for one	Unknown — not stated by the source	1.073 billion colours
Pixel pitchKnown for one	Unknown — not stated by the source	0.16 x 0.16 mm
Viewable size, horizontalKnown for one	Unknown — not stated by the source	62.1 cm
Viewable size, verticalKnown for one	Unknown — not stated by the source	34.1 cm
Contrast ratio (dynamic)Known for one	100000000:1	Unknown — not stated by the source
Multimediaidentical
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Number of speakersKnown for one	Unknown — not stated by the source	2
RMS rated powerKnown for one	Unknown — not stated by the source	10 W
Built-in cameraKnown for one	Unknown — not stated by the source	Yes
Megapixel (approx.)Known for one	Unknown — not stated by the source	2.1 MP
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Design1 differ
Market positioningKnown for one	Unknown — not stated by the source	Business
Product colourDiffers	Black	Black, Silver
Feet colourKnown for one	Unknown — not stated by the source	Black, Silver
Ports & interfaces2 differ
Built-in USB hubKnown for one	Unknown — not stated by the source	Yes
USB hub versionKnown for one	Unknown — not stated by the source	3.2 Gen 1 (3.1 Gen 1)
USB Type-A downstream ports quantityKnown for one	Unknown — not stated by the source	2
DVI portDiffers	Yes	No
HDMI ports quantityDiffers	1	3
DisplayPorts quantity	1	1
Headphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Microphone inKnown for one	Unknown — not stated by the source	Yes
Card reader integratedKnown for one	Unknown — not stated by the source	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MicroSD (TransFlash)
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Networkidentical
BluetoothKnown for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Ergonomicsidentical
Cable lock slot	No	No
Height adjustmentKnown for one	Unknown — not stated by the source	Yes
SwivellingKnown for one	Unknown — not stated by the source	Yes
Swivel angle rangeKnown for one	Unknown — not stated by the source	-45 - 45°
Tilt adjustmentKnown for one	Unknown — not stated by the source	Yes
Tilt angle rangeKnown for one	Unknown — not stated by the source	5 - 25°
On Screen Display (OSD)Known for one	Unknown — not stated by the source	Yes
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Panel mounting interfaceKnown for one	100 x 100 mm	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 80%
Weight & dimensions1 differ
Width (without stand)Known for one	Unknown — not stated by the source	681.9 mm
Depth (without stand)Known for one	Unknown — not stated by the source	259.5 mm
Height (without stand)Known for one	Unknown — not stated by the source	502.8 mm
Weight (without stand)Differs	4.52 kg	11 kg
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Other features1 differ
TV tuner integrated	No	No
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
CertificationKnown for one	Unknown — not stated by the source	(TUV)us (USA/Canada),SASO (Saudia Arabia),TCO Display 6.0,VCCI(Japan),BSMI (Taiwan),EPA AIO 6.0/5.2 for AIO (USA),VOC (USA/Canada),Hygienic (Russia),SABS (South Africa),Energy Star 6.0,EPEAT Gold,GOST,EPEAT (USA),ICES-003 (Canada),CCC (China)
Supplied AC adapter typeDiffers	AC	LED
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Thin Clientidentical
Thin client installedKnown for one	Unknown — not stated by the source	Yes
Internal memoryKnown for one	Unknown — not stated by the source	2048 MB
Internal memory typeKnown for one	Unknown — not stated by the source	DDR3L
Graphics cardKnown for one	Unknown — not stated by the source	Tegra K1

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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