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Product comparison · 2 monitors

Philips 221S3UCB/27 computer monitor vs Viewsonic LED LCD VS15138 computer monitor

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  • 52specifications compared
  • 25differ
  • 27identical
  • 64known for one product only

Key differences

  • Display diagonal
    • 54.6 cm (21.5")
    • 50.8 cm (20")
  • Display resolution
    • 1920 x 1080 pixels
    • 1600 x 900 pixels
  • Display brightness (typical)
    • 150 cd/m²
    • 250 cd/m²
  • Viewing angle, horizontal
    • 160°
    • 170°
  • Viewing angle, vertical
    • 150°
    • 160°
  • Built-in speaker(s)
    • No
    • Yes
  • USB Type-A downstream ports quantity
    • 1
    • 3
  • VGA (D-Sub) ports quantity
    • 0
    • 1

Side by side

Differences highlightedShow differences only
116 specifications
A

Philips

221S3UCB/27 computer monitor

Model 221S3UCB/27

View product
B

Viewsonic

LED LCD VS15138 computer monitor

Model VS15138

View product
Display6 differ
Display diagonalDiffers54.6 cm (21.5")50.8 cm (20")
Display resolutionDiffers1920 x 1080 pixels1600 x 900 pixels
Native aspect ratio16:916:9
TouchscreenNoNo
Backlight typeW-LEDW-LED
Display brightness (typical)Differs150 cd/m²250 cd/m²
Response time5 ms5 ms
Supported graphics resolutionsDiffers1920 x 1080 (HD 1080)1600 x 900, 1280 x 1024 (SXGA)
Aspect ratio16:916:9
Contrast ratio (typical)1000:11000:1
Contrast ratio (dynamic)Known for one20000000:1
Viewing angle, horizontalDiffers160°170°
Viewing angle, verticalDiffers150°160°
Viewable size, horizontalKnown for one43.2 cm
Viewable size, verticalKnown for one23.9 cm
Viewable size diagonalKnown for one4.95 cm
Digital horizontal frequencyKnown for one24 - 82 kHz
Digital vertical frequencyKnown for one50 - 75 Hz
3DNoNo
Separate H/V syncKnown for oneYes
Display technologyKnown for oneLCD
HD typeKnown for oneFull HD
Panel typeKnown for oneTFT
Screen shapeKnown for oneFlat
Display number of coloursKnown for one16.78 million colours
Pixel pitchKnown for one0.248 x 0.248 mm
Performance1 differ
Windows operating systems supportedDiffersYesWindows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Win
Mac operating systems supportedYesYes
Multimedia1 differ
Built-in speaker(s)DiffersNoYes
Number of speakersKnown for one2
RMS rated powerKnown for one4 W
Built-in cameraNoNo
Built-in microphoneKnown for oneNo
Designidentical
Product colourBlackBlack
Feet colourKnown for oneBlack
Ports & interfaces2 differ
USB hub version2.02.0
USB Type-A downstream ports quantityDiffers13
VGA (D-Sub) ports quantityDiffers01
DVI-D ports quantityKnown for one1
DVI-I ports quantityKnown for one0
HDMI ports quantity00
DisplayPorts quantityKnown for one1
Mini DisplayPorts quantityKnown for one0
Audio inputKnown for oneYes
Headphone outputsKnown for one1
Microphone inKnown for oneNo
HDCPNoNo
AC (power) inKnown for oneYes
Composite video inKnown for one0
Composite video outKnown for one0
SCART ports quantityKnown for one0
RF ports quantityKnown for one0
Digital audio optical outKnown for one0
BNC input portsKnown for one0
Component video (YPbPr/YCbCr) inKnown for one0
Component video (YPbPr/YCbCr) outKnown for one0
Firewire (IEEE 1394) portsKnown for one0
RS-232 portsKnown for one0
RS-485 portsKnown for one0
S-Video inputs quantityKnown for one0
Thunderbolt ports quantityKnown for one0
Card reader integratedKnown for oneNo
Compatible memory cardsKnown for oneNot supported
Built-in USB hubKnown for oneYes
DVI portKnown for oneNo
Networkidentical
Wi-FiKnown for oneNo
BluetoothKnown for oneNo
Ethernet LANKnown for oneNo
Ergonomics2 differ
VESA mountingYesYes
Panel mounting interface100 x 100 mm100 x 100 mm
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Height adjustmentYesYes
Adjustable height (max)Differs7 cm8 cm
SwivellingYesYes
Swivel angle rangeDiffers-65 - 65°0 - 360°
Tilt adjustmentYesYes
Tilt angle range-5 - 20°-5 - 20°
On Screen Display (OSD)Known for oneYes
Plug and PlayKnown for oneYes
LED indicatorsKnown for oneOperation
Power1 differ
Power consumption (typical)Differs9 W15 W
Power consumption (max)Known for one17 W
AC input voltage100 - 240 V100 - 240 V
Power consumption (standby)Known for one0.3 W
Power consumption (off)Known for one0 W
AC input frequencyKnown for one50 - 60 Hz
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)Known for one10 - 90%
Storage temperature (T-T)Known for one-20 - 60 °C
Relative humidityKnown for one20 - 80%
Weight & dimensions7 differ
Width (with stand)Differs507 mm466 mm
Depth (with stand)Differs201 mm250 mm
Height (with stand)Differs402 mm382 mm
Weight (with stand)Differs3.85 kg3.7 kg
Width (without stand)Differs507 mm466 mm
Depth (without stand)59 mm59 mm
Height (without stand)Differs323 mm274 mm
Weight (without stand)Differs3.44 kg2.6 kg
Packaging data4 differ
Package widthDiffers565 mm521 mm
Package depthDiffers131 mm130 mm
Package heightDiffers461 mm445 mm
Package weightDiffers5.13 kg4.8 kg
Packaging contentidentical
Cables includedKnown for oneAC, Audio (3.5mm), DVI, USB, VGA
Quick start guideKnown for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Silver, ENERGY STAR
Other features1 differ
On/off switchKnown for oneYes
Built-in subwooferKnown for oneYes
TV tuner integratedNoNo
Ethernet LAN (RJ-45) portsKnown for one0
CertificationDiffersCCC, CE Mark, FCC Class B, UL/cULUL/cUL, FCC-B, REACH, RoHS
Supplied AC adapter typeLEDLED
Mean time between failures (MTBF)Known for one30000 h
Compliance industry standardsKnown for oneRoHS
Thin Clientidentical
Thin client installedNoNo
Recycling dataidentical
Overall recyclability rateKnown for one100%

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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