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Product comparison · 2 monitors

Acer A221HQLb computer monitor vs Philips Brilliance 235B2CS/93 computer monitor

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  • 33specifications compared
  • 15differ
  • 18identical
  • 49known for one product only

Key differences

  • Display diagonal
    • 54.6 cm (21.5")
    • 58.4 cm (23")
  • Display brightness (typical)
    • 250 cd/m²
    • 300 cd/m²
  • Contrast ratio (dynamic)
    • 12000000:1
    • 500000:1
  • Viewing angle, vertical
    • 176°
    • 170°
  • Built-in speaker(s)
    • No
    • Yes
  • USB Type-A downstream ports quantity
    • 0
    • 1
  • DVI-D ports quantity
    • 0
    • 1
  • Cable lock slot
    • No
    • Yes

Side by side

Differences highlightedShow differences only
82 specifications
A

Acer

A221HQLb computer monitor

Model A221HQLb

View product
B

Philips

Brilliance 235B2CS/93 computer monitor

Model 235B2CS/93

View product
Display4 differ
Display diagonalDiffers54.6 cm (21.5")58.4 cm (23")
Display technologyKnown for oneLCD
Panel typeKnown for oneTFT
Display brightness (typical)Differs250 cd/m²300 cd/m²
Contrast ratio (typical)Known for one1000:1
Contrast ratio (dynamic)Differs12000000:1500000:1
Viewing angle, verticalDiffers176°170°
Pixel pitchKnown for one0.265 x 0.265 mm
Horizontal scan rangeKnown for one30 - 83 kHz
Vertical scan rangeKnown for one56 - 75 Hz
Sync-on-green (SOG)Known for oneYes
Colour gamut standardKnown for onesRGB
Separate H/V syncKnown for oneYes
Performanceidentical
Windows operating systems supportedKnown for oneWindows 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 Vista Business, Windows Vista Business x64, Windows Vi
Mac operating systems supportedKnown for oneMac OS X 10.0 Cheetah, Mac OS X 10.1 Puma, Mac OS X 10.2 Jaguar, Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Multimedia1 differ
Built-in speaker(s)DiffersNoYes
Number of speakersKnown for one2
RMS rated powerKnown for one3 W
Ports & interfaces2 differ
USB hub versionKnown for one2.0
USB Type-A downstream ports quantityDiffers01
DVI portKnown for oneYes
DVI-D ports quantityDiffers01
Audio inputKnown for oneYes
Audio outputKnown for oneYes
HDCPKnown for oneYes
DVI-I ports quantityKnown for one0
AC (power) inKnown for oneYes
Ergonomics1 differ
Cable lock slotDiffersNoYes
Cable lock slot typeKnown for oneKensington
Height adjustmentKnown for oneYes
Adjustable height (max)Known for one7 cm
SwivellingKnown for oneYes
Swivel angle rangeKnown for one-65 - 65°
Tilt adjustmentKnown for oneYes
Tilt angle rangeKnown for one-5 - 20°
On Screen Display (OSD)Known for oneYes
On Screen Display (OSD) languagesKnown for oneSimplified Chinese, German, English, Spanish, French, Italian, Portuguese, Russian
Plug and PlayKnown for oneYes
LED indicatorsKnown for oneOperation, Stand-by
Power3 differ
Power consumption (typical)Differs30 W28.62 W
Power consumption (standby)Differs0.79 W0.1 W
Power consumption (off)Differs0.67 W0.1 W
AC input voltageKnown for one100 - 240 V
AC input frequencyKnown for one50 - 60 Hz
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Storage temperature (T-T)Known for one-20 - 60 °C
Relative humidityKnown for one20 - 80%
Weight & dimensions4 differ
Width (with stand)Known for one566 mm
Depth (with stand)Known for one249 mm
Height (with stand)Known for one499 mm
Weight (with stand)Known for one4.57 kg
Width (without stand)Differs511 mm566 mm
Depth (without stand)Differs370 mm50 mm
Height (without stand)Differs199 mm360 mm
Weight (without stand)Differs3.5 kg4.19 kg
Packaging dataidentical
Package widthKnown for one615 mm
Package depthKnown for one171 mm
Package heightKnown for one478 mm
Package weightKnown for one6.4 kg
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Other featuresidentical
On/off switchKnown for oneYes
Mean time between failures (MTBF)Known for one50000 h
CertificationKnown for oneRoHS BSMI CE Mark FCC Class B GOST SEMKO TCO 5.0 TUV/GS TUV Ergo UL/cUL
Supplied AC adapter typeKnown for oneLCD

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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