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Product comparison · 2 monitors

LG 31MU97-B computer monitor vs LG 34UC87-B computer monitor

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  • 48specifications compared
  • 17differ
  • 31identical
  • 43known for one product only

Key differences

  • Display diagonal
    • 78.7 cm (31")
    • 86.4 cm (34")
  • Display resolution
    • 4096 x 2160 pixels
    • 3440 x 1440 pixels
  • HD type
    • 4K Ultra HD
    • Quad HD
  • Display brightness (typical)
    • 320 cd/m²
    • 300 cd/m²
  • Supported graphics resolutions
    • 4096 x 2160
    • 3440 x 1440
  • Aspect ratio
    • 17:9
    • 21:9
  • Pixel pitch
    • 0.1675 x 0.1675 mm
    • 0.232 x 0.232 mm
  • Horizontal scan range
    • 30 - 134 kHz
    • 30 - 90 kHz

Side by side

Differences highlightedShow differences only
91 specifications
A

LG

31MU97-B computer monitor

Model 31MU97-B

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B

LG

34UC87-B computer monitor

Model 34UC87-B

View product
Display8 differ
Display diagonalDiffers78.7 cm (31")86.4 cm (34")
Display resolutionDiffers4096 x 2160 pixels3440 x 1440 pixels
Display technologyLEDLED
TouchscreenNoNo
HD typeDiffers4K Ultra HDQuad HD
Panel typeAH-IPSAH-IPS
Display brightness (typical)Differs320 cd/m²300 cd/m²
Response time5 ms5 ms
Display surfaceKnown for oneMatt
Supported graphics resolutionsDiffers4096 x 21603440 x 1440
Aspect ratioDiffers17:921:9
Contrast ratio (typical)1000:11000:1
Contrast ratio (dynamic)5000000:15000000:1
Viewing angle, horizontal178°178°
Viewing angle, vertical178°178°
Display number of colours1.073 billion colours1.073 billion colours
Pixel pitchDiffers0.1675 x 0.1675 mm0.232 x 0.232 mm
Horizontal scan rangeDiffers30 - 134 kHz30 - 90 kHz
Vertical scan range56 - 61 Hz56 - 61 Hz
Viewable size, horizontalKnown for one68.6 cm
Viewable size, verticalKnown for one38.6 cm
3DNoNo
Native aspect ratioKnown for one21:9
Colour gamut standardKnown for onesRGB
Multimedia1 differ
Built-in speaker(s)YesYes
Number of speakers22
RMS rated powerDiffers10 W14 W
Built-in cameraNoNo
Designidentical
Product colourBlackBlack
Ports & interfaces1 differ
USB hub version3.2 Gen 1 (3.1 Gen 1)3.2 Gen 1 (3.1 Gen 1)
USB Type-A downstream ports quantityDiffers43
VGA (D-Sub) ports quantityKnown for one0
DVI portNoNo
HDMI ports quantity22
DisplayPorts quantity11
Mini DisplayPorts quantityKnown for one1
Audio outputKnown for oneYes
Headphone outputs11
Headphone connectivity3.5 mm3.5 mm
PC Audio inKnown for oneNo
Composite video inKnown for one0
Composite video outKnown for one0
SCART ports quantityKnown for one0
RF ports quantityKnown for one0
Component video (YPbPr/YCbCr) inKnown for one0
RS-232 portsKnown for one0
S-Video inputs quantityKnown for one0
Card reader integratedKnown for oneNo
Thunderbolt ports quantityKnown for one2
Networkidentical
Wi-FiKnown for oneNo
Ethernet LANKnown for oneNo
Ergonomicsidentical
VESA mountingYesYes
Panel mounting interface100 x 100 mm100 x 100 mm
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Tilt angle rangeKnown for one-15 - 15°
On Screen Display (OSD)Known for oneYes
On Screen Display (OSD) languagesKnown for oneTraditional Chinese, English, Spanish, Finnish, French, Italian, Japanese, Polish, Portuguese, Russian, Swedish, Ukrainian
Plug and PlayKnown for oneYes
Height adjustmentKnown for oneYes
Adjustable height (max)Known for one14 cm
Power2 differ
Power consumption (typical)Differs53 W54 W
Power consumption (standby)0.3 W0.3 W
Power consumption (PowerSave)Known for one0.3 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Annual energy consumptionDiffers77 kWh79 kWh
Weight & dimensions4 differ
Width (with stand)Known for one736.7 mm
Depth (with stand)Known for one241.4 mm
Height (with stand)Known for one623.5 mm
Weight (with stand)Known for one9.3 kg
Width (without stand)Differs736.7 mm830.5 mm
Depth (without stand)Differs52.4 mm241.4 mm
Height (without stand)Differs407.5 mm600.8 mm
Weight (without stand)Differs7.3 kg8 kg
Packaging dataidentical
Package widthKnown for one972 mm
Package depthKnown for one152 mm
Package heightKnown for one510 mm
Package weightKnown for one12.3 kg
User Guide on CD-ROMKnown for oneYes
Packaging contentidentical
Cables includedKnown for oneDisplayPort, HDMI, USB
Remote control includedKnown for oneNo
ManualKnown for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Other features1 differ
On/off switchKnown for oneYes
TV tuner integratedNoNo
Energy efficiency class (legacy scale)BB
Mean time between failures (MTBF)Known for one50000 h
Ethernet LAN (RJ-45) portsKnown for one0
Supplied AC adapter typeDiffersLCDLED
Thin Clientidentical
Thin client installedNoNo

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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