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Product comparison · 2 monitors

Acer B7 B277Ubmiipprczx vs Viewsonic VG Series VG2248 computer monitor

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  • 57specifications compared
  • 29differ
  • 28identical
  • 46known for one product only

Key differences

  • Display diagonal
    • 68.6 cm (27")
    • 54.6 cm (21.5")
  • Display resolution
    • 2560 x 1440 pixels
    • 1920 x 1080 pixels
  • HD type
    • Quad HD
    • Full HD
  • Display brightness (typical)
    • 350 cd/m²
    • 250 cd/m²
  • Contrast ratio (dynamic)
    • 100000000:1
    • 50000000:1
  • Display number of colours
    • 1.073 billion colours
    • 16.78 million colours
  • Horizontal scan range
    • 30 - 80 kHz
    • 24 - 82 kHz
  • Vertical scan range
    • 55 - 75 Hz
    • 50 - 75 Hz

Side by side

Differences highlightedShow differences only
103 specifications
A

Acer

B7 B277Ubmiipprczx

Model B277U

View product
B

Viewsonic

VG Series VG2248 computer monitor

Model VG2248

View product
Display9 differ
Display diagonalDiffers68.6 cm (27")54.6 cm (21.5")
Display resolutionDiffers2560 x 1440 pixels1920 x 1080 pixels
Native aspect ratio16:916:9
Display technologyLEDLED
TouchscreenNoNo
HD typeDiffersQuad HDFull HD
Panel typeIPSIPS
Backlight typeKnown for oneW-LED
Display brightness (typical)Differs350 cd/m²250 cd/m²
Screen shapeFlatFlat
Supported graphics resolutionsDiffers2560 x 1440640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1440 x 900 (WXGA+), 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080)
Contrast ratio (typical)1000:11000:1
Contrast ratio (dynamic)Differs100000000:150000000:1
Viewing angle, horizontal178°178°
Viewing angle, vertical178°178°
Display number of coloursDiffers1.073 billion colours16.78 million colours
Response time (fast)Known for one7 ms
Pixel pitchKnown for one0.24795 x 0.24795 mm
Horizontal scan rangeDiffers30 - 80 kHz24 - 82 kHz
Vertical scan rangeDiffers55 - 75 Hz50 - 75 Hz
Colour depthKnown for one6 bit
3DNoNo
Response timeKnown for one4 ms
Maximum refresh rateKnown for one75 Hz
Pixel densityKnown for one108.8 ppi
Viewable size, horizontalKnown for one59.7 cm
Viewable size, verticalKnown for one33.6 cm
Colour gamut standardKnown for onesRGB
sRGB coverage (typical)Known for one100%
Performanceidentical
NVIDIA G-SYNCNoNo
AMD FreeSyncNoNo
Multimedia1 differ
Built-in speaker(s)YesYes
Number of speakers22
RMS rated powerKnown for one4 W
Built-in cameraDiffersYesNo
Designidentical
Product colourBlackBlack
Feet colourKnown for oneBlack, Grey
Ports & interfaces1 differ
Built-in USB hubYesYes
USB hub versionKnown for one3.2 Gen 1 (3.1 Gen 1)
USB upstream port typeKnown for oneUSB Type-B
Number of upstream portsKnown for one1
USB Type-A downstream ports quantityKnown for one4
VGA (D-Sub) ports quantityDiffers01
DVI portNoNo
HDMI ports quantity11
DisplayPorts quantity11
AC (power) inKnown for oneYes
DVI-D ports quantityKnown for one0
DVI-I ports quantityKnown for one0
Audio outputKnown for oneYes
Ergonomics2 differ
VESA mountingYesYes
Panel mounting interface100 x 100 mm100 x 100 mm
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Height adjustmentYesYes
Adjustable height (max)Differs12 cm13 cm
PivotYesYes
Pivot angleKnown for one0 - 90°
SwivellingYesYes
Swivel angle rangeDiffers-45 - 45°0 - 120°
Tilt adjustmentYesYes
Tilt down angle rangeKnown for one0 - 5°
Tilt up angle rangeKnown for one0 - 40°
Tilt angle rangeKnown for one-5 - 25°
On Screen Display (OSD)Known for oneYes
Power4 differ
Power consumption (typical)Differs24 W19.6 W
Power consumption (standby)Differs0.4 W0.5 W
Power consumption (max)Differs36 W55.4 W
AC input voltageDiffers120 - 230 V100 - 240 V
AC input frequencyKnown for one50 - 60 Hz
Energy efficiency class (SDR)Known for oneC
Energy consumption (SDR) per 1000 hoursKnown for one32 kWh
Power consumption (off)Known for one0.28 W
Energy efficiency scaleKnown for oneA to G
Annual energy consumptionKnown for one52 kWh
Operational conditions1 differ
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)-20 - 60 °C-20 - 60 °C
Operating relative humidity (H-H)Differs20 - 80%20 - 90%
Storage relative humidity (H-H)Known for one5 - 90%
Operating altitudeKnown for one0 - 4999 m
Non-operating altitudeKnown for one4999 - 12192 m
Weight & dimensions8 differ
Width (with stand)Differs614 mm498.5 mm
Depth (with stand)Differs207.5 mm202.2 mm
Height (with stand)Differs540 mm372.7 mm
Weight (with stand)Differs8.22 kg5.4 kg
Width (without stand)Differs614 mm498.5 mm
Depth (without stand)Differs65.7 mm50 mm
Height (without stand)Differs386 mm296.9 mm
Weight (without stand)Differs5.98 kg2.9 kg
Packaging data1 differ
Package widthKnown for one570 mm
Package depthKnown for one380 mm
Package heightKnown for one210 mm
Package weightDiffers10.8 kg7.9 kg
Packaging content1 differ
Cables includedDiffersAC, USBAC, DisplayPort, USB
Quick start guideYesYes
Sustainability1 differ
Sustainability certificatesDiffersENERGY STAREPEAT Silver, ENERGY STAR
Other featuresidentical
On/off switchYesYes
CertificationKnown for onecTUVus, FCC-B, ICES003, Energy Star 7.0, EPEAT Silver, TUV Mexico CoC, Mexico Energy
TV tuner integratedKnown for oneNo
Energy efficiency class (legacy scale)Known for oneB
Mean time between failures (MTBF)Known for one30000 h
Supplied AC adapter typeKnown for oneLED
Logistics dataidentical
Harmonized System (HS) codeKnown for one85285210

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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