Product comparison · 2 monitors

Acer K2 K272HULA computer monitor vs Lenovo ThinkVision 28

17specifications compared
13differ
4identical
60known for one product only

Key differences

Display diagonal
- K2 K272HULA computer monitor:68.6 cm (27")
- ThinkVision 28:71.1 cm (28")
Display resolution
- K2 K272HULA computer monitor:2560 x 1440 pixels
- ThinkVision 28:3840 x 2160 pixels
Display technology
- K2 K272HULA computer monitor:LED
- ThinkVision 28:LCD
Touchscreen
- K2 K272HULA computer monitor:No
- ThinkVision 28:Yes
Panel type
- K2 K272HULA computer monitor:IPS
- ThinkVision 28:TFT
Response time
- K2 K272HULA computer monitor:4 ms
- ThinkVision 28:5 ms
Built-in camera
- K2 K272HULA computer monitor:No
- ThinkVision 28:Yes
USB Type-A downstream ports quantity
- K2 K272HULA computer monitor:0
- ThinkVision 28:4

Side by side

Differences highlightedShow differences only

Comparison of K272HULA, ThinkVision 28
77 specifications	A Acer K2 K272HULA computer monitor Model K272HULA View product	B Lenovo ThinkVision 28 View product
Display6 differ
Display diagonalDiffers	68.6 cm (27")	71.1 cm (28")
Display resolutionDiffers	2560 x 1440 pixels	3840 x 2160 pixels
Display technologyDiffers	LED	LCD
TouchscreenDiffers	No	Yes
HD typeKnown for one	Unknown — not stated by the source	4K Ultra HD
Panel typeDiffers	IPS	TFT
LED backlightKnown for one	Unknown — not stated by the source	Yes
Touchscreen typeKnown for one	Unknown — not stated by the source	Tabletop
Number of simultaneous touchpointsKnown for one	Unknown — not stated by the source	10
Display brightnessKnown for one	Unknown — not stated by the source	270 cd/m²
Response timeDiffers	4 ms	5 ms
Screen shapeKnown for one	Unknown — not stated by the source	Flat
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Viewing angle, verticalKnown for one	Unknown — not stated by the source	160°
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
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Display brightness (typical)Known for one	350 cd/m²	Unknown — not stated by the source
Supported graphics resolutionsKnown for one	2560 x 1440	Unknown — not stated by the source
Aspect ratioKnown for one	16:9	Unknown — not stated by the source
Contrast ratio (dynamic)Known for one	100000000:1	Unknown — not stated by the source
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
3DKnown for one	No	Unknown — not stated by the source
Performanceidentical
NVIDIA G-SYNCKnown for one	Unknown — not stated by the source	No
AMD FreeSyncKnown for one	Unknown — not stated by the source	No
Multimedia1 differ
Built-in speaker(s)	Yes	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 cameraDiffers	No	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
Designidentical
Product colour	Black	Black
Housing materialKnown for one	Unknown — not stated by the source	Aluminium
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)
Number of upstream portsKnown for one	Unknown — not stated by the source	1
USB Type-A downstream ports quantityDiffers	0	4
HDMIKnown for one	Unknown — not stated by the source	Yes
HDMI ports quantityDiffers	1	3
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Audio outputKnown for one	Unknown — not stated by the source	1
Headphone outputsKnown for one	Unknown — not stated by the source	1
Mobile High-Definition Link (MHL)Known for one	Unknown — not stated by the source	Yes
VGA (D-Sub) ports quantityKnown for one	0	Unknown — not stated by the source
DVI portKnown for one	Yes	Unknown — not stated by the source
AC (power) inKnown for one	Yes	Unknown — not stated by the source
Ergonomicsidentical
Height adjustmentKnown for one	Unknown — not stated by the source	Yes
Adjustable height (max)Known for one	Unknown — not stated by the source	11 cm
Swivel angle rangeKnown for one	Unknown — not stated by the source	-45 - 45°
Tilt adjustment	Yes	Yes
Tilt angle range	-5 - 25°	-5 - 25°
On Screen Display (OSD)Known for one	Unknown — not stated by the source	Yes
Number of OSD languagesKnown for one	Unknown — not stated by the source	8
Cable lock slotKnown for one	No	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	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 & dimensions4 differ
Width (without stand)Differs	640 mm	681.9 mm
Depth (without stand)Differs	62 mm	259.5 mm
Height (without stand)Differs	381 mm	502.8 mm
Weight (without stand)Differs	4.52 kg	11 kg
Width (with stand)Known for one	640 mm	Unknown — not stated by the source
Depth (with stand)Known for one	249 mm	Unknown — not stated by the source
Height (with stand)Known for one	462 mm	Unknown — not stated by the source
Weight (with stand)Known for one	5.4 kg	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Other featuresidentical
Heavy metals freeKnown for one	Unknown — not stated by the source	Hg (mercury)
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
CertificationKnown for one	Unknown — not stated by the source	c(TUV)us (USA/Canada), SASO (Saudia Arabia), TCO Display 6.0, VCCI(Japan), BSMI (Taiwan), EPA AIO 6.0/5.2 (USA), VOC (USA/Canada), Hygienic (Russia), SABS (South Africa), EPEAT Gold, GOST, EPEAT (USA), ICES-003 (Canada), CCC (China)
On/off switchKnown for one	Yes	Unknown — not stated by the source
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	LCD	Unknown — not stated by the source
Poweridentical
Power consumption (standby)Known for one	0.45 W	Unknown — not stated by the source
Power consumption (off)Known for one	0.4 W	Unknown — not stated by the source
Packaging contentidentical
ManualKnown for one	Yes	Unknown — not stated by the source
Thin Clientidentical
Thin client installedKnown for one	No	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.

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