Product comparison · 2 monitors

Acer EB321HQUwidp computer monitor vs AOC 77 Series U2777PQU computer monitor

42specifications compared
21differ
21identical
82known for one product only

Key differences

Display diagonal
- EB321HQUwidp computer monitor:80 cm (31.5")
- 77 Series U2777PQU computer monitor:68.6 cm (27")
Display resolution
- EB321HQUwidp computer monitor:2560 x 1440 pixels
- 77 Series U2777PQU computer monitor:3840 x 2160 pixels
HD type
- EB321HQUwidp computer monitor:Quad HD
- 77 Series U2777PQU computer monitor:4K Ultra HD
Display brightness (typical)
- EB321HQUwidp computer monitor:300 cd/m²
- 77 Series U2777PQU computer monitor:350 cd/m²
Display surface
- EB321HQUwidp computer monitor:Gloss
- 77 Series U2777PQU computer monitor:Matt
Supported graphics resolutions
- EB321HQUwidp computer monitor:2560 x 1440
- 77 Series U2777PQU computer monitor:3840 x 2160
Supported video modes
- EB321HQUwidp computer monitor:1440p
- 77 Series U2777PQU computer monitor:2160p
Contrast ratio (typical)
- EB321HQUwidp computer monitor:3000:1
- 77 Series U2777PQU computer monitor:1000:1

Side by side

Differences highlightedShow differences only

Comparison of EB321HQUwidp, U2777PQU
124 specifications	A Acer EB321HQUwidp computer monitor Model EB321HQUwidp View product	B AOC 77 Series U2777PQU computer monitor Model U2777PQU View product
Display10 differ
Display diagonalDiffers	80 cm (31.5")	68.6 cm (27")
Display resolutionDiffers	2560 x 1440 pixels	3840 x 2160 pixels
Native aspect ratio	16:9	16:9
Display technology	LED	LED
Touchscreen	No	No
HD typeDiffers	Quad HD	4K Ultra HD
Panel type	IPS	IPS
Backlight typeKnown for one	Unknown — not stated by the source	W-LED
Display brightness (typical)Differs	300 cd/m²	350 cd/m²
Response time	4 ms	4 ms
Display surfaceDiffers	Gloss	Matt
Screen shape	Flat	Flat
Supported graphics resolutionsDiffers	2560 x 1440	3840 x 2160
Supported video modesDiffers	1440p	2160p
Aspect ratioKnown for one	Unknown — not stated by the source	16:9
Contrast ratio (typical)Differs	3000:1	1000:1
Contrast ratio (dynamic)Differs	100000000:1	80000000:1
Maximum refresh rateKnown for one	Unknown — not stated by the source	60 Hz
Viewing angle, horizontal	178°	178°
Viewing angle, vertical	178°	178°
Display number of coloursDiffers	16.78 million colours	1.073 billion colours
Pixel pitchKnown for one	Unknown — not stated by the source	0.1554 x 0.1554 mm
Horizontal scan rangeKnown for one	Unknown — not stated by the source	30 - 160 kHz
Vertical scan rangeKnown for one	Unknown — not stated by the source	23 - 80 Hz
Viewable size, horizontalKnown for one	Unknown — not stated by the source	59.7 cm
Viewable size, verticalKnown for one	Unknown — not stated by the source	33.6 cm
Digital horizontal frequencyKnown for one	Unknown — not stated by the source	30 - 160 kHz
Colour depthKnown for one	Unknown — not stated by the source	8 bit
sRGB coverage (typical)Known for one	Unknown — not stated by the source	100%
Pixel frequencyKnown for one	Unknown — not stated by the source	170 MHz
3DKnown for one	No	Unknown — not stated by the source
Performanceidentical
NVIDIA G-SYNC	No	No
AMD FreeSync	No	No
Flicker-free technologyKnown for one	Unknown — not stated by the source	Yes
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	6 W
Built-in camera	No	No
Design2 differ
Market positioningKnown for one	Unknown — not stated by the source	Business
Product colourDiffers	White	Black, Silver
Frameless designKnown for one	Unknown — not stated by the source	Yes
Front bezel colourKnown for one	Unknown — not stated by the source	Black
Detachable standKnown for one	Unknown — not stated by the source	Yes
Feet colourDiffers	Silver	Black, Silver
Ports & interfaces1 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	4
VGA (D-Sub) ports quantityDiffers	0	1
DVI port	Yes	Yes
HDMI ports quantity	1	1
HDMI versionKnown for one	Unknown — not stated by the source	2.0
DisplayPorts quantity	1	1
DisplayPort versionKnown for one	Unknown — not stated by the source	1.2
Headphone outKnown for one	Unknown — not stated by the source	Yes
Headphone outputsKnown for one	Unknown — not stated by the source	1
Headphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
HDCPKnown for one	Unknown — not stated by the source	Yes
Mobile High-Definition Link (MHL)Known for one	Unknown — not stated by the source	Yes
AC (power) inKnown for one	Yes	Unknown — not stated by the source
Ergonomics2 differ
VESA mounting	Yes	Yes
Panel mounting interface	100 x 100 mm	100 x 100 mm
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Height adjustmentKnown for one	Unknown — not stated by the source	Yes
Adjustable height (max)Known for one	Unknown — not stated by the source	13 cm
PivotKnown 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	-165 - 165°
Tilt adjustment	Yes	Yes
Tilt angle rangeDiffers	-5 - 15°	-5 - 24°
On Screen Display (OSD)Known for one	Unknown — not stated by the source	Yes
On Screen Display (OSD) languagesKnown for one	Unknown — not stated by the source	Simplified Chinese, Traditional Chinese, Czech, German, Dutch, English, Spanish, Finnish, French, Italian, Japanese, Korean, Polish, Portuguese, Russian, Swedish
Number of OSD languagesKnown for one	Unknown — not stated by the source	16
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Power2 differ
Power consumption (typical)Differs	65 W	44 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.76 W
Power consumption (off)Known for one	Unknown — not stated by the source	0.21 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Energy efficiency scaleDiffers	A to G	A+++ to D
Annual energy consumptionKnown for one	Unknown — not stated by the source	64 kWh
External power adapterKnown for one	Unknown — not stated by the source	No
Energy efficiency class (SDR)Known for one	F	Unknown — not stated by the source
Energy consumption (SDR) per 1000 hoursKnown for one	29 kWh	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-25 - 55 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 85%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 93%
Operating altitudeKnown for one	Unknown — not stated by the source	0 - 5000 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	5000 - 12192 m
Weight & dimensions3 differ
Width (with stand)Known for one	Unknown — not stated by the source	531.1 mm
Depth (with stand)Known for one	Unknown — not stated by the source	194.3 mm
Height (with stand)Known for one	Unknown — not stated by the source	614.9 mm
Weight (with stand)Known for one	Unknown — not stated by the source	7.3 kg
Width (without stand)Differs	966 mm	741.9 mm
Depth (without stand)Differs	243 mm	60.8 mm
Height (without stand)Differs	653 mm	438.4 mm
Weight (without stand)Known for one	12.4 kg	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	480 mm
Package depthKnown for one	Unknown — not stated by the source	224 mm
Package heightKnown for one	Unknown — not stated by the source	715 mm
Package weightKnown for one	Unknown — not stated by the source	9.3 kg
Package typeKnown for one	Unknown — not stated by the source	Box
DVI cable lengthKnown for one	Unknown — not stated by the source	1.8 m
USB cable lengthKnown for one	Unknown — not stated by the source	1.8 m
Packaging contentidentical
Stand included	Yes	Yes
Cables includedKnown for one	Unknown — not stated by the source	AC, Audio (3.5mm), DVI, DisplayPort, HDMI, USB
Audio cable lengthKnown for one	Unknown — not stated by the source	1.8 m
DisplayPort cable lengthKnown for one	Unknown — not stated by the source	1.8 m
HDMI cable lengthKnown for one	Unknown — not stated by the source	1.8 m
Power cable lengthKnown for one	Unknown — not stated by the source	1.8 m
ManualKnown for one	Yes	Unknown — not stated by the source
Sustainability1 differ
Sustainability certificatesDiffers	ENERGY STAR	EPEAT Silver, ENERGY STAR
Other featuresidentical
TV tuner integrated	No	No
Bezel thickness typeKnown for one	Unknown — not stated by the source	Frameless
Energy efficiency class (legacy scale)Known for one	Unknown — not stated by the source	C
Heavy metals freeKnown for one	Unknown — not stated by the source	Hg (mercury)
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	50000 h
CertificationKnown for one	Unknown — not stated by the source	ISO
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
On/off switchKnown for one	Yes	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	LED	Unknown — not stated by the source
Recycling dataidentical
Packaging recyclability rateKnown for one	Unknown — not stated by the source	100%
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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