Product comparison · 2 home cinema systems

LG LHB645 home cinema system 5.1 channels vs Yamaha YHT-1840 home cinema system 5.1 channels

30specifications compared
18differ
12identical
44known for one product only

Key differences

The LG LHB645 home cinema system 5.1 channels has 996.5 W more RMS rated power than the Yamaha YHT-1840 home cinema system 5.1 channels (1000 W vs 3.5 W). The Yamaha YHT-1840 home cinema system 5.1 channels has 3 more HDMI in than the LG LHB645 home cinema system 5.1 channels (4 vs 1). The Yamaha YHT-1840 home cinema system 5.1 channels has 3 more HDMI outputs than the LG LHB645 home cinema system 5.1 channels (4 vs 1). Only the LG LHB645 home cinema system 5.1 channels has Bluetooth. Only the LG LHB645 home cinema system 5.1 channels has Ethernet LAN.

Optical disc player type
- LHB645 home cinema system 5.1 channels:Blu-Ray player
- YHT-1840 home cinema system 5.1 channels:Not included
RMS rated power
- LHB645 home cinema system 5.1 channels:1000 W
- YHT-1840 home cinema system 5.1 channels:3.5 W
Bluetooth
- LHB645 home cinema system 5.1 channels:Yes
- YHT-1840 home cinema system 5.1 channels:No
Ethernet LAN
- LHB645 home cinema system 5.1 channels:Yes
- YHT-1840 home cinema system 5.1 channels:No
Wi-Fi
- LHB645 home cinema system 5.1 channels:Yes
- YHT-1840 home cinema system 5.1 channels:No
HDMI in
- LHB645 home cinema system 5.1 channels:1
- YHT-1840 home cinema system 5.1 channels:4
Number of HDMI outputs
- LHB645 home cinema system 5.1 channels:1
- YHT-1840 home cinema system 5.1 channels:4
USB ports quantity
- LHB645 home cinema system 5.1 channels:1
- YHT-1840 home cinema system 5.1 channels:0

Side by side

Differences highlightedShow differences only

Comparison of LHB645, YHT-1840
74 specifications	A LG LHB645 home cinema system 5.1 channels Model LHB645 View product	B Yamaha YHT-1840 home cinema system 5.1 channels Model YHT-1840 View product
Optical drive2 differ
Optical disc player typeDiffers	Blu-Ray player	Not included
Disc types supportedDiffers	BD, BD-RE, CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW	No
Number of optical discsKnown for one	1 discs	Unknown — not stated by the source
Playback disc formatsKnown for one	Blu-Ray audio, Blu-Ray video, CD audio, CD video	Unknown — not stated by the source
Storageidentical
Card reader integratedKnown for one	Unknown — not stated by the source	No
Videoidentical
3D	Yes	Yes
Full HD	Yes	Yes
Aspect ratioKnown for one	Unknown — not stated by the source	16:9
Video formats supportedKnown for one	3GP, AVCHD, FLV, H.264, M4V, MKV, MOV, MP4, MPEG2, MPEG4, VOB, WMV, XVID	Unknown — not stated by the source
Video upscalingKnown for one	Yes	Unknown — not stated by the source
Audio2 differ
Audio output channels	5.1 channels	5.1 channels
RMS rated powerDiffers	1000 W	3.5 W
Audio decodersDiffers	Dolby Digital, Dolby TrueHD, DTS	Dolby Digital, Dolby Digital Plus
Radioidentical
FM radio	Yes	Yes
Supported radio bandsKnown for one	Unknown — not stated by the source	AM, FM
Front speakersidentical
Front speaker frequency rangeKnown for one	Unknown — not stated by the source	30 - 25000 Hz
Front speaker sensitivityKnown for one	Unknown — not stated by the source	83 dB
Front speaker impedanceKnown for one	Unknown — not stated by the source	6 Ω
Front speaker peak powerKnown for one	Unknown — not stated by the source	100 W
Center speakeridentical
Center speaker peak powerKnown for one	Unknown — not stated by the source	100 W
Satellite speakersidentical
Wireless satellite speakers	No	No
Subwooferidentical
Subwoofer typeKnown for one	Unknown — not stated by the source	Active subwoofer
Wireless subwoofer	No	No
Subwoofer peak powerKnown for one	Unknown — not stated by the source	100 W
Subwoofer RMS powerKnown for one	167 W	Unknown — not stated by the source
Network3 differ
BluetoothDiffers	Yes	No
Ethernet LANDiffers	Yes	No
Near Field Communication (NFC)Known for one	Unknown — not stated by the source	No
Wi-FiDiffers	Yes	No
Wi-Fi readyKnown for one	Unknown — not stated by the source	No
Ports & interfaces7 differ
HDMI inDiffers	1	4
Number of HDMI outputsDiffers	1	4
USB ports quantityDiffers	1	0
Component video (YPbPr/YCbCr) out	0	0
S-Video outputs quantity	0	0
Digital audio coaxial inDiffers	0	2
Digital audio coaxial outDiffers	0	2
Digital audio optical inDiffers	1	2
Digital audio optical outDiffers	0	1
FM antenna	Yes	Yes
Headphone outputsKnown for one	Unknown — not stated by the source	1
SCART ports quantityKnown for one	0	Unknown — not stated by the source
USB versionKnown for one	2.0	Unknown — not stated by the source
Audio (L/R) inKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
Displayidentical
On Screen Display (OSD)Known for one	Unknown — not stated by the source	Yes
Power1 differ
Power consumption (standby)Differs	0.5 W	0.3 W
Power consumption (typical)Known for one	130 W	Unknown — not stated by the source
Weight & dimensions3 differ
Front speaker dimensions (WxDxH)Differs	290 x 290 x 1100 mm	112 x 116 x 176 mm
Front speaker weightKnown for one	Unknown — not stated by the source	590 g
Center speaker dimensions (WxDxH)Differs	220 x 97.2 x 98.5 mm	276 x 118 x 111 mm
Center speaker weightKnown for one	Unknown — not stated by the source	730 g
Subwoofer dimensions (W x D x H)Differs	172 x 261 x 391 mm	290 x 315 x 292 mm
Subwoofer weightKnown for one	Unknown — not stated by the source	5.8 kg
Main unit dimensions (WxDxH)Known for one	360 x 299 x 60.5 mm	Unknown — not stated by the source
Satellite speaker dimensions (WxDxH)Known for one	100.5 x 97 x 142 mm	Unknown — not stated by the source
Packaging contentidentical
Remote control included	Yes	Yes
Other featuresidentical
Built-in HDD	No	No
AirPlayKnown for one	Unknown — not stated by the source	No
BrowsingKnown for one	Unknown — not stated by the source	No
Start-up timeKnown for one	Unknown — not stated by the source	500 ms
SubwooferKnown for one	Unknown — not stated by the source	Yes
Apple docking compatibilityKnown for one	Not supported	Unknown — not stated by the source
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Technical detailsidentical
Product colour	Black	Black
Driver unitKnown for one	Unknown — not stated by the source	16 cm
Maximum input powerKnown for one	Unknown — not stated by the source	100 W
PowerKnown for one	Unknown — not stated by the source	100 W
Power source typeKnown for one	Unknown — not stated by the source	AC
KaraokeKnown for one	No	Unknown — not stated by the source
Digital Living Network Alliance (DLNA) certifiedKnown for one	Yes	Unknown — not stated by the source
Management featuresidentical
Sleep timerKnown for one	Yes	Unknown — not stated by the source
Packaging dataidentical
Package weightKnown for one	18.2 kg	Unknown — not stated by the source
Package dimensions (WxDxH)Known for one	741 x 368 x 456 mm	Unknown — not stated by the source

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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