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Product comparison · 2 home cinema systems

LG LHD645-DB home cinema system 5.1 channels vs Samsung HT-J7750W home cinema system 7.1 channels

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  • 31specifications compared
  • 15differ
  • 16identical
  • 38known for one product only

Key differences

The Samsung HT-J7750W home cinema system 7.1 channels has 2 channels more audio output channels than the LG LHD645-DB home cinema system 5.1 channels (7.1 channels vs 5.1 channels). The Samsung HT-J7750W home cinema system 7.1 channels has 330 W more RMS rated power than the LG LHD645-DB home cinema system 5.1 channels (1330 W vs 1000 W). The Samsung HT-J7750W home cinema system 7.1 channels has 2 more HDMI in than the LG LHD645-DB home cinema system 5.1 channels (2 vs 0). Only the Samsung HT-J7750W home cinema system 7.1 channels has 3D. Only the Samsung HT-J7750W home cinema system 7.1 channels has Wi-Fi.

  • Optical disc player type
    • DVD player
    • Blu-Ray player
  • 3D
    • No
    • Yes
  • Audio output channels
    • 5.1 channels
    • 7.1 channels
  • RMS rated power
    • 1000 W
    • 1330 W
  • Audio formats supported
    • MP3, WMA
    • AAC, FLAC, LPCM, MP3, WMA
  • Wi-Fi
    • No
    • Yes
  • HDMI in
    • 0
    • 2
  • Main unit dimensions (WxDxH)
    • 360 x 299 x 60.5 mm
    • 430 x 312 x 55 mm

Side by side

Differences highlightedShow differences only
69 specifications
A

LG

LHD645-DB home cinema system 5.1 channels

Model LHD645-DB

View product
B

Samsung

HT-J7750W home cinema system 7.1 channels

Model HT-J7750W

View product
Optical drive3 differ
Optical disc player typeDiffersDVD playerBlu-Ray player
Disc types supportedDiffersCD, CD-R, CD-RW, DVD, DVD+RW, DVD-R, DVD-RWDVD, DVD+R, DVD+RW, DVD-R, DVD-RW
Playback disc formatsDiffersCD audio, CD video, SVCD, VCDBlu-Ray video
Number of optical discsKnown for one1 discs
Video2 differ
3DDiffersNoYes
Video formats supportedDiffersMPEG2, XVIDAVCHD, DIVX, WMV, WMV7, WMV8, WMV9
Analog signal format systemKnown for onePAL
Video upscalingKnown for oneYes
Full HDKnown for oneYes
Audio3 differ
Audio output channelsDiffers5.1 channels7.1 channels
RMS rated powerDiffers1000 W1330 W
Audio decodersKnown for oneDolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS 96/24, DTS Digital Surround, DTS-HD Master Audio
Audio formats supportedDiffersMP3, WMAAAC, FLAC, LPCM, MP3, WMA
Audio Return Channel (ARC)Known for oneYes
Radioidentical
FM radioYesYes
Preset stations quantityKnown for one15
Supported radio bandsKnown for oneFM
Satellite speakersidentical
Satellite speaker typeKnown for one2-way
Wireless satellite speakersKnown for oneYes
Satellite speakers RMS powerKnown for one334 W
Number of satellite speakersKnown for one2
Subwooferidentical
Subwoofer typeKnown for onePassive subwoofer
Wireless subwooferKnown for oneYes
Subwoofer RMS powerKnown for one167 W
Network1 differ
BluetoothYesYes
Ethernet LANYesYes
Wi-FiDiffersNoYes
Ports & interfaces1 differ
HDMI inDiffers02
Number of HDMI outputs11
SCART ports quantity00
USB ports quantity11
USB version2.02.0
Component video (YPbPr/YCbCr) out00
S-Video outputs quantity00
Digital audio coaxial in00
Digital audio coaxial out00
Digital audio optical in11
Digital audio optical out00
Ethernet LAN (RJ-45) ports11
Composite video outKnown for one1
Audio (L/R) inKnown for one1
FM antennaKnown for oneYes
Poweridentical
Power consumption (typical)Known for one72.5 W
Power consumption (standby)Known for one0.29 W
Weight & dimensions5 differ
Main unit dimensions (WxDxH)Differs360 x 299 x 60.5 mm430 x 312 x 55 mm
Main unit weightKnown for one2.7 kg
Front speaker dimensions (WxDxH)Differs250 x 250 x 1100 mm95 x 101 x 1215 mm
Front speaker weightKnown for one5 kg
Center speaker dimensions (WxDxH)Differs260 x 74 x 93 mm320 x 101 x 81 mm
Center speaker weightKnown for one1 kg
Satellite speaker dimensions (WxDxH)Differs88 x 81 x 122 mm95 x 101 x 1160 mm
Satellite speaker weightKnown for one4.7 kg
Subwoofer dimensions (W x D x H)Differs191 x 318 x 388.5 mm200 x 350 x 390 mm
Subwoofer weightKnown for one5.7 kg
Packaging dataidentical
Package weightKnown for one34.7 kg
Package dimensions (WxDxH)Known for one1076 x 446 x 557 mm
Packaging contentidentical
Quick start guideKnown for oneYes
Other featuresidentical
Built-in HDDNoNo
Image formats supportedKnown for oneJPG
Apple docking compatibilityKnown for oneNot supported
TV tuner integratedKnown for oneNo
Certificatesidentical
Consumer Electronics Control (CEC)Known for oneAnynet+
Technical detailsidentical
Product colourBlackBlack
KaraokeKnown for oneNo
BD WiseKnown for oneYes
BD-LiveKnown for oneYes
Digital Living Network Alliance (DLNA) certifiedKnown for oneYes
Front speakersidentical
Front speakers RMS powerKnown for one334 W
Center speakeridentical
Center speaker RMS powerKnown for one167 W

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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