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Product comparison · 2 monitors

iiyama ProLite X2491HS-B1 computer monitor vs LG 27BP55U-B computer monitor

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  • 46specifications compared
  • 26differ
  • 20identical
  • 62known for one product only

Key differences

The iiyama ProLite X2491HS-B1 computer monitor has 50 cd/m² more display brightness (typical) than the LG 27BP55U-B computer monitor (350 cd/m² vs 300 cd/m²). The iiyama ProLite X2491HS-B1 computer monitor has 500 :1 more contrast ratio (typical) than the LG 27BP55U-B computer monitor (1500:1 vs 1000:1). The LG 27BP55U-B computer monitor has 1 more HDMI ports quantity than the iiyama ProLite X2491HS-B1 computer monitor (2 vs 1). Only the iiyama ProLite X2491HS-B1 computer monitor has built-in speaker(s). Only the LG 27BP55U-B computer monitor has height adjustment.

  • Display diagonal
    • 60.5 cm (23.8")
    • 68.6 cm (27")
  • Display resolution
    • 1920 x 1080 pixels
    • 3840 x 2160 pixels
  • Display technology
    • LCD
    • LED
  • HD type
    • Full HD
    • 4K Ultra HD
  • Display brightness (typical)
    • 350 cd/m²
    • 300 cd/m²
  • Contrast ratio (typical)
    • 1500:1
    • 1000:1
  • Display number of colours
    • 16.7 million colours
    • 1.07 billion colours
  • Pixel pitch
    • 0.275 x 0.275 mm
    • 0.18 x 0.18 mm

Side by side

Differences highlightedShow differences only
108 specifications
A

iiyama

ProLite X2491HS-B1 computer monitor

Model X2491HS-B1

View product
B

LG

27BP55U-B computer monitor

Model 27BP55U-B

View product
Display8 differ
Display diagonalDiffers60.5 cm (23.8")68.6 cm (27")
Display resolutionDiffers1920 x 1080 pixels3840 x 2160 pixels
Native aspect ratio16:916:9
Display technologyDiffersLCDLED
TouchscreenNoNo
HD typeDiffersFull HD4K Ultra HD
Panel typeIPSIPS
Display brightness (typical)Differs350 cd/m²300 cd/m²
Response time (MPRT)Known for one1 ms
Display surfaceKnown for oneMatt
Screen shapeFlatFlat
Contrast ratio (typical)Differs1500:11000:1
Contrast ratio (dynamic)Known for one80000000:1
Maximum refresh rateKnown for one120 Hz
Viewing angle, horizontal178°178°
Viewing angle, vertical178°178°
Display number of coloursDiffers16.7 million colours1.07 billion colours
Pixel pitchDiffers0.275 x 0.275 mm0.18 x 0.18 mm
Horizontal scan rangeKnown for one30 - 140 kHz
Viewable size, horizontalKnown for one52.7 cm
Viewable size, verticalKnown for one29.6 cm
Display diagonal (metric)Known for one60.5 cm
sRGB coverage (typical)Known for one96%
NTSC coverage (typical)Known for one72%
Response timeKnown for one5 ms
Anti-glare screenKnown for oneYes
High Dynamic Range (HDR) supportedKnown for oneYes
High Dynamic Range (HDR) technologyKnown for oneHDR Effect, High Dynamic Range 10 (HDR10)
Colour depthKnown for one10 bit
Colour gamut standardKnown for onesRGB
Colour gamutKnown for one98%
Performanceidentical
AMD FreeSyncYesYes
Flicker-free technologyYesYes
Low Blue Light technologyKnown for oneYes
AMD FreeSync typeKnown for oneFreeSync
Smart modesKnown for oneCinema, Energy saving, Standard, Vivid
Multimedia1 differ
Built-in speaker(s)DiffersYesNo
Number of speakersKnown for one2
RMS rated powerKnown for one4 W
Built-in cameraNoNo
Design1 differ
Market positioningKnown for oneOffice
Product colourDiffersBlackSilver
Colour nameKnown for onePearl (Silver)
Feet colourKnown for oneSilver
Ports & interfaces1 differ
Built-in USB hubKnown for oneNo
HDMIYesYes
HDMI ports quantityDiffers12
DisplayPorts quantity11
Headphone outYesYes
HDCPYesYes
USB Type-A downstream ports quantityKnown for one2
USB Power Delivery (USB PD)Known for oneYes
USB Power Delivery up toKnown for one96 W
HDMI versionKnown for one2.0
DisplayPort versionKnown for one1.4
HDCP versionKnown for one2.2
Ergonomics1 differ
VESA mountingYesYes
Panel mounting interface100 x 100 mm100 x 100 mm
Cable managementKnown for oneYes
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Height adjustmentDiffersNoYes
Tilt adjustmentKnown for oneYes
On Screen Display (OSD) languagesKnown for oneCzech, German, English, Spanish, French, Italian, Japanese, Dutch, Polish, Russian, Ukrainian
Adjustable height (max)Known for one11 cm
PivotKnown for oneYes
Tilt angle rangeKnown for one-5 - 20°
On Screen Display (OSD)Known for oneYes
Number of OSD languagesKnown for one18
Power5 differ
Energy efficiency class (SDR)DiffersCF
Energy efficiency class (HDR)DiffersNot availableG
Energy consumption (SDR) per 1000 hoursDiffers12 kWh26 kWh
Power consumption (typical)Known for one12 W
Power consumption (standby)Differs0.4 W0.5 W
Power consumption (off)0.3 W0.3 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50/60 Hz50/60 Hz
Power supply typeDiffersInternalExternal
Energy consumption (HDR) per 1000 hoursKnown for one40 kWh
Energy efficiency scaleKnown for oneA to G
Weight & dimensions4 differ
Width (with stand)Differs539 mm622.6 mm
Depth (with stand)Differs175 mm239.3 mm
Height (with stand)Differs387 mm574.1 mm
Weight (with stand)Differs3.2 kg6.3 kg
Width (without stand)Known for one622.6 mm
Depth (without stand)Known for one45.8 mm
Height (without stand)Known for one371 mm
Weight (without stand)Known for one4.4 kg
Packaging data4 differ
Package widthDiffers615 mm700 mm
Package depthDiffers126 mm188 mm
Package heightDiffers395 mm514 mm
Package weightDiffers4.8 kg9.4 kg
Package typeKnown for oneBox
Packaging content1 differ
Cables includedDiffersAC, HDMIDisplayPort, HDMI, Power, USB Type-C
HDMI cable length1.5 m1.5 m
Power cable length1.5 m1.5 m
Stand includedKnown for oneYes
DisplayPort cable lengthKnown for one1.5 m
Sustainabilityidentical
Sustainability certificatesKnown for oneErP, TCO
Other featuresidentical
Compliance certificatesKnown for oneCE, EAC, PSE, REACH, RoHS, TÜV mark, UKCA, VCCI, WEEE
DepthKnown for one175 mm
HeightKnown for one387 mm
Packaging contentKnown for onequick start guide, safety guide
WeightKnown for one3.2 kg
WidthKnown for one539 mm
Control panelKnown for oneJoystick: Power/Menu (Centre), Up/Signal Select, Down, Left/Submenu, Right/Volume
User controlsKnown for onecolour settings (i-Style colour, blue light reducer, RGB range, colour temperature, user preset), OSD (OSD H. position, OSD V. position, OSD time, OSD background, DDC/CI control, display information), language, extra 1 (sharpness, video mode adjust, opening logo, power LED), extra 2 (shortcut key),
Technical detailsidentical
Native refresh rateKnown for one60 Hz

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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