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Product comparison · 2 tvs

LG 55UM662H4LC.AAU TV vs TCL A400 Pro 55A400PRO-UK TV

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  • 39specifications compared
  • 21differ
  • 18identical
  • 62known for one product only

Key differences

The TCL A400 Pro 55A400PRO-UK TV has 70 cd/m² more display brightness than the LG 55UM662H4LC.AAU TV (400 cd/m² vs 330 cd/m²). The TCL A400 Pro 55A400PRO-UK TV has 84 Hz more native refresh rate than the LG 55UM662H4LC.AAU TV (144 Hz vs 60 Hz). The LG 55UM662H4LC.AAU TV has 25 kWh more energy consumption (SDR) per 1000 hours than the TCL A400 Pro 55A400PRO-UK TV (75 kWh vs 50 kWh). Only the LG 55UM662H4LC.AAU TV has voice control. Operating system installed: WebOS on the LG 55UM662H4LC.AAU TV, Google TV on the TCL A400 Pro 55A400PRO-UK TV.

  • Display brightness
    • 330 cd/m²
    • 400 cd/m²
  • Native refresh rate
    • 60 Hz
    • 144 Hz
  • Operating system installed
    • WebOS
    • Google TV
  • Product colour
    • Grey
    • Black
  • Panel mounting interface
    • 300 x 300 mm
    • 400 x 400 mm
  • Voice control
    • Yes
    • No
  • Energy efficiency class (SDR)
    • F
    • D
  • Energy consumption (SDR) per 1000 hours
    • 75 kWh
    • 50 kWh

Side by side

Differences highlightedShow differences only
101 specifications
A

LG

55UM662H4LC.AAU TV

Model 55UM662H4LC.AAU

View product
B

TCL

A400 Pro 55A400PRO-UK TV

Model 55A400PRO-UK

View product
Display2 differ
Display diagonal139.7 cm (55")139.7 cm (55")
HD type4K Ultra HD4K Ultra HD
Display resolution3840 x 2160 pixels3840 x 2160 pixels
Screen shapeFlatFlat
Native aspect ratio16:916:9
Display brightnessDiffers330 cd/m²400 cd/m²
Native refresh rateDiffers60 Hz144 Hz
Display technologyKnown for oneLCD
LED backlightKnown for oneYes
LED backlighting typeKnown for oneMini LED
Supported graphics resolutionsKnown for one3840 x 2160
Supported video modesKnown for one2160p
Colour gamut standardKnown for oneDCI-P3
Display diagonal (metric)Known for one108 cm
TV tuneridentical
Tuner typeKnown for oneAnalog & digital
Analog signal format systemKnown for onePAL, SECAM
Digital signal format systemKnown for oneDVB-C, DVB-S2, DVB-T2
Number of tunersKnown for one2 tuner(s)
Smart TV1 differ
Smart TVYesYes
Internet TVYesYes
Operating system installedDiffersWebOSGoogle TV
Operating system versionKnown for onewebOS 23
Apple AirPlay 2 supportKnown for oneYes
Video appsKnown for oneNetflix
Audioidentical
RMS rated power20 W20 W
Sound modesKnown for oneAI Sound
Enhanced Audio Return Channel (eARC)YesYes
Number of speakersKnown for one2
Audio output channelsKnown for one2.0 channels
Audio decodersKnown for oneDTS:X, DTS Virtual:X, Dolby Atmos, Dolby Digital Plus
Networkidentical
Wi-FiYesYes
BluetoothYesYes
Ethernet LANKnown for oneYes
Web browserKnown for oneYes
Wi-Fi standardsKnown for oneWi-Fi 5 (802.11ac)
Bluetooth versionKnown for one5.4
MiracastKnown for oneYes
Design2 differ
Product colourDiffersGreyBlack
Colour nameKnown for oneAshed Blue
VESA mountingYesYes
Panel mounting interfaceDiffers300 x 300 mm400 x 400 mm
Introduction yearKnown for one2026
Performance1 differ
High Dynamic Range (HDR) supportedYesYes
High Dynamic Range (HDR) technologyDiffersHigh Dynamic Range 10 Pro (HDR10 Pro), Hybrid Log-Gamma (HLG)Dolby Vision, Hybrid Log-Gamma (HLG), High Dynamic Range 10+ (HDR10 Plus), Dolby Vision IQ
Game modeKnown for oneYes
Teletext functionKnown for oneYes
Image galleryKnown for oneYes
USB cloningKnown for oneYes
AMD FreeSyncKnown for oneYes
AMD FreeSync typeKnown for oneFreeSync Premium Pro
Game featuresKnown for oneVariable Refresh Rate (VRR), Game Master
Ports & interfacesidentical
HDMI ports quantityKnown for one3
Audio Return Channel (ARC)YesYes
PC in (D-Sub)Known for oneNo
Ethernet LAN (RJ-45) portsKnown for one2
USB 2.0 ports quantityKnown for one2
Digital audio optical outKnown for one1
Headphone outputsKnown for one1
RS-232CKnown for oneYes
RF inputKnown for one2
Common interface (CI)Known for oneYes
Common interface Plus (CI+)Known for oneYes
Common interface Plus (CI+) versionKnown for one1.4
HDMI versionKnown for one2.1
Management features1 differ
Voice controlDiffersYesNo
Hotel modeKnown for oneYes
Electronic Programme Guide (EPG)Known for oneYes
Works with the Google AssistantKnown for oneYes
Power3 differ
Power consumption (typical)Known for one75 W
Power consumption (standby)0.5 W0.5 W
Energy efficiency class (SDR)DiffersFD
Energy efficiency class (HDR)GG
Energy consumption (SDR) per 1000 hoursDiffers75 kWh50 kWh
Energy consumption (HDR) per 1000 hoursDiffers109 kWh115 kWh
AC input voltageKnown for one100~240 V
AC input frequencyKnown for one50/60 Hz
Energy saving modeKnown for oneYes
Energy efficiency scaleA to GA to G
Power supply typeKnown for oneInternal
Brand-specific featuresidentical
LG technologies (AV/TV)Known for oneAI Acoustic Tuning, AI Sound, LG Sound Sync, Magic Remote Control
Weight & dimensions8 differ
Width (with stand)Differs1235 mm1234 mm
Depth (with stand)Differs303 mm295 mm
Height (with stand)Differs777 mm766 mm
Weight (with stand)Differs17.2 kg13.4 kg
Width (without stand)Differs1235 mm1234 mm
Depth (without stand)Differs57.5 mm39.9 mm
Height (without stand)Differs715 mm710 mm
Weight (without stand)Differs14 kg13 kg
Stand widthKnown for one86.3 cm
Stand depthKnown for one29.5 cm
Packaging data3 differ
Package widthDiffers1360 mm1400 mm
Package depthDiffers162 mm122 mm
Package heightDiffers810 mm875 mm
Package weight18.8 kg18.8 kg
Package typeKnown for oneBox
Packaging contentidentical
Cables includedKnown for oneAC
Remote control includedKnown for oneYes
Other featuresidentical
Cable lock slot typeKnown for oneKensington
Content management solutionKnown for oneLG Pro:Centric
Cord lengthKnown for one1.55 m
Security algorithmsKnown for oneSNMP

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