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Product comparison · 2 monitors

HP DreamColor Z31x vs Samsung LC27F591FDEXXY computer monitor

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  • 44specifications compared
  • 31differ
  • 13identical
  • 56known for one product only

Key differences

  • Display diagonal
    • 79 cm (31.1")
    • 68.6 cm (27")
  • Display resolution
    • 4096 x 2160 pixels
    • 1920 x 1080 pixels
  • Native aspect ratio
    • 17:9
    • 16:9
  • HD type
    • 4K DCI
    • Full HD
  • Panel type
    • IPS
    • VA
  • Response time
    • 20 ms
    • 5 ms
  • Screen shape
    • Flat
    • Curved
  • Contrast ratio (typical)
    • 1500:1
    • 3000:1

Side by side

Differences highlightedShow differences only
100 specifications
A

HP

DreamColor Z31xView product
B

Samsung

LC27F591FDEXXY computer monitor

Model LC27F591FDEXXY

View product
Display10 differ
Display diagonalDiffers79 cm (31.1")68.6 cm (27")
Display resolutionDiffers4096 x 2160 pixels1920 x 1080 pixels
Native aspect ratioDiffers17:916:9
Display technologyLEDLED
TouchscreenNoNo
HD typeDiffers4K DCIFull HD
Panel typeDiffersIPSVA
Display brightness (typical)250 cd/m²250 cd/m²
Response timeDiffers20 ms5 ms
Screen shapeDiffersFlatCurved
Supported graphics resolutionsDiffers640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1366 x 768, 1920 x 1080 (HD 1080), 2048 x 1080, 2560 x 1440, 3840 x 2160, 4096 x 21601280 x 720 (HD 720), 1920 x 1080 (HD 1080)
Contrast ratio (typical)Differs1500:13000:1
Viewing angle, horizontal178°178°
Viewing angle, vertical178°178°
Display number of coloursDiffers1.073 billion colours16.78 million colours
Pixel pitchKnown for one0.1704 x 0.1704 mm
Horizontal scan rangeKnown for one30 - 135 kHz
Vertical scan rangeKnown for one24 - 60 Hz
3DNoNo
Aspect ratioKnown for one16:9
Dynamic contrast ratio marketing nameKnown for oneMega Contrast
Colour gamut standardKnown for onesRGB
sRGB coverage (typical)Known for one119.3%
Performance1 differ
NVIDIA G-SYNCKnown for oneNo
AMD FreeSyncDiffersNoYes
VESA Adaptive Sync supportKnown for oneYes
Windows operating systems supportedKnown for oneYes
Mac operating systems supportedKnown for oneYes
Multimedia1 differ
Built-in speaker(s)DiffersNoYes
Built-in cameraNoNo
Number of speakersKnown for one2
RMS rated powerKnown for one10 W
Design1 differ
Market positioningKnown for oneBusiness
Product colourDiffersBlackSilver
Ports & interfaces4 differ
Built-in USB hubDiffersYesNo
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 quantityDiffers21
DisplayPorts quantityDiffers21
Audio outputKnown for oneYes
HDCPKnown for oneYes
PC Audio inKnown for oneYes
DC-in jackKnown for oneYes
PC Audio outKnown for oneYes
Card reader integratedKnown for oneNo
Ergonomics3 differ
VESA mountingDiffersYesNo
Panel mounting interfaceKnown for one100 x 100 mm
Cable lock slotYesYes
Height adjustmentDiffersYesNo
Adjustable height (max)Known for one11.7 cm
SwivellingKnown for oneYes
Swivel angle rangeKnown for one-45 - 45°
Tilt adjustmentYesYes
Tilt angle rangeDiffers-5 - 30°-2 - 20°
Picture-in-PictureKnown for oneYes
On Screen Display (OSD) languagesKnown for oneSimplified Chinese, Traditional Chinese, German, Dutch, English, Spanish, French, Italian, Japanese, Portuguese
Number of OSD languagesKnown for one10
Plug and PlayKnown for oneYes
Cable lock slot typeKnown for oneKensington
Tilt down angle rangeKnown for one0 - 20°
Tilt up angle rangeKnown for one-2 - 0°
Power2 differ
Power consumption (typical)Differs120 W36 W
Power consumption (standby)Differs0.5 W0.3 W
Power consumption (max)Known for one260 W
AC input voltageKnown for one100 - 240 V
AC input frequencyKnown for one50 - 60 Hz
Power consumption (off)Known for one0.3 W
Annual energy consumptionKnown for one133 kWh
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 35 °C
Storage temperature (T-T)Known for one-20 - 60 °C
Operating relative humidity (H-H)Known for one20 - 80%
Storage relative humidity (H-H)Known for one5 - 95%
Weight & dimensions8 differ
Width (with stand)Differs738 mm614.2 mm
Depth (with stand)Differs248 mm270.4 mm
Height (with stand)Differs566 mm457.3 mm
Weight (with stand)Differs15 kg4.4 kg
Width (without stand)Differs738 mm614.2 mm
Depth (without stand)Differs82.6 mm142.9 mm
Height (without stand)Differs414.1 mm362.9 mm
Weight (without stand)Differs9.9 kg3.5 kg
Other features1 differ
Country of originKnown for oneChina
On/off switchYesYes
TV tuner integratedNoNo
Ethernet LAN (RJ-45) portsKnown for one1
Supplied AC adapter typeDiffersLEDLCD
AC adapter includedKnown for oneYes
Power consumption (DPMS)Known for one0.3 W
Thin Clientidentical
Thin client installedNoNo
Packaging dataidentical
Package widthKnown for one683 mm
Package depthKnown for one212 mm
Package heightKnown for one429 mm
Package weightKnown for one6.1 kg
Packaging contentidentical
Stand includedKnown for oneYes
Cables includedKnown for oneAC, HDMI
ManualKnown for oneYes
Power cable lengthKnown for one1.5 m

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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