Product comparison · 2 home cinema systems

LG LHD645-DB home cinema system 5.1 channels vs Yamaha YHT-1840 home cinema system 5.1 channels

26specifications compared
17differ
9identical
47known for one product only

Key differences

The LG LHD645-DB 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 4 more HDMI in than the LG LHD645-DB home cinema system 5.1 channels (4 vs 0). The Yamaha YHT-1840 home cinema system 5.1 channels has 3 more HDMI outputs than the LG LHD645-DB home cinema system 5.1 channels (4 vs 1). Only the Yamaha YHT-1840 home cinema system 5.1 channels has 3D. Only the LG LHD645-DB home cinema system 5.1 channels has Bluetooth.

Optical disc player type
- LHD645-DB home cinema system 5.1 channels:DVD player
- YHT-1840 home cinema system 5.1 channels:Not included
3D
- LHD645-DB home cinema system 5.1 channels:No
- YHT-1840 home cinema system 5.1 channels:Yes
RMS rated power
- LHD645-DB home cinema system 5.1 channels:1000 W
- YHT-1840 home cinema system 5.1 channels:3.5 W
Supported radio bands
- LHD645-DB home cinema system 5.1 channels:FM
- YHT-1840 home cinema system 5.1 channels:AM, FM
Bluetooth
- LHD645-DB home cinema system 5.1 channels:Yes
- YHT-1840 home cinema system 5.1 channels:No
Ethernet LAN
- LHD645-DB home cinema system 5.1 channels:Yes
- YHT-1840 home cinema system 5.1 channels:No
HDMI in
- LHD645-DB home cinema system 5.1 channels:0
- YHT-1840 home cinema system 5.1 channels:4
Number of HDMI outputs
- LHD645-DB home cinema system 5.1 channels:1
- YHT-1840 home cinema system 5.1 channels:4

Side by side

Differences highlightedShow differences only

Comparison of LHD645-DB, YHT-1840
73 specifications	A LG LHD645-DB home cinema system 5.1 channels Model LHD645-DB View product	B Yamaha YHT-1840 home cinema system 5.1 channels Model YHT-1840 View product
Optical drive2 differ
Optical disc player typeDiffers	DVD player	Not included
Disc types supportedDiffers	CD, CD-R, CD-RW, DVD, 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	CD audio, CD video, SVCD, VCD	Unknown — not stated by the source
Storageidentical
Card reader integratedKnown for one	Unknown — not stated by the source	No
Video1 differ
3DDiffers	No	Yes
Full HD	Yes	Yes
Aspect ratioKnown for one	Unknown — not stated by the source	16:9
Video formats supportedKnown for one	MPEG2, XVID	Unknown — not stated by the source
Audio1 differ
Audio output channels	5.1 channels	5.1 channels
RMS rated powerDiffers	1000 W	3.5 W
Audio decodersKnown for one	Unknown — not stated by the source	Dolby Digital, Dolby Digital Plus
Audio formats supportedKnown for one	MP3, WMA	Unknown — not stated by the source
Radio1 differ
FM radio	Yes	Yes
Supported radio bandsDiffers	FM	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
Front speakers RMS powerKnown for one	334 W	Unknown — not stated by the source
Center speakeridentical
Center speaker peak powerKnown for one	Unknown — not stated by the source	100 W
Center speaker RMS powerKnown for one	167 W	Unknown — not stated by the source
Satellite speakersidentical
Wireless satellite speakersKnown for one	Unknown — not stated by the source	No
Satellite speakers RMS powerKnown for one	334 W	Unknown — not stated by the source
Number of satellite speakersKnown for one	2	Unknown — not stated by the source
Subwooferidentical
Subwoofer typeKnown for one	Unknown — not stated by the source	Active subwoofer
Wireless subwooferKnown for one	Unknown — not stated by the source	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
Network2 differ
BluetoothDiffers	Yes	No
Ethernet LANDiffers	Yes	No
Near Field Communication (NFC)Known for one	Unknown — not stated by the source	No
Wi-Fi	No	No
Wi-Fi readyKnown for one	Unknown — not stated by the source	No
Ports & interfaces7 differ
HDMI inDiffers	0	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
Composite video outKnown for one	1	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
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	0.3 W
Weight & dimensions3 differ
Front speaker dimensions (WxDxH)Differs	250 x 250 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	260 x 74 x 93 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	191 x 318 x 388.5 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	88 x 81 x 122 mm	Unknown — not stated by the source
Packaging contentidentical
Remote control includedKnown for one	Unknown — not stated by the source	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

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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