91points

LG 55LM640

97points

Sony XBR X900C 55"

LG 55LM640
Comparison winner
Sony XBR X900C 55"
vs
vs

81 facts in comparison

LG 55LM640 vs Sony XBR X900C 55"

LG 55LM640
Sony XBR X900C 55"

Why is LG 55LM640 better than Sony XBR X900C 55"?

  • 0.73% bigger screen size
    ?

    55"vs54.6"
  • Supports USB recording
    ?
  • 170W lower power consumption on operation
    ?

    71W vs241W
  • 0.2W lower power consumption on standby
    ?

    0.3W vs0.5W
  • Has a VGA connector
    ?
  • Is DLNA-certified
    ?
  • Has stereo speakers
    ?
  • 6mm thinner
    ?

    33.1mmvs39.1mm

Why is Sony XBR X900C 55" better than LG 55LM640?

  • 2.02x higher pixel density
    ?

    80.7ppivs40ppi
  • 4x higher resolution
    ?

    3840 x 2160pxvs1920 x 1080px
  • Supports a remote smartphone
    ?
  • 0.1mm narrower
    ?

    1.23mvs1232mm
  • Has an OLED or AMOLED display
    ?
  • 0.6 newer HDMI version
    ?

    2vs1.4
  • 4kg lighter
    ?

    17.3kgvs21300g
  • Has a display in 24p
    ?

Price comparison

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Design

1.supports a remote smartphone
LG 55LM640
Sony XBR X900C 55"
This technology allows the users to use their smartphone as a remote control for the device.
2.width

1.23m

1.23m

The width represents the horizontal dimension of the product. We consider a smaller width better because it assures easy maneuverability.
How much power the device consumes when it's switched on.
The power consumption in standby mode, also called energy-saving mode, measures the amount of power the device consumes when shut down but still plugged in.
5.weight

21.3kg

17.3kg

We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products.
6.thickness

33.1mm

39.1mm

We consider a thinner chassis better because it makes the product more compact and portable. Thinness is a feature highlighted by many manufacturers of mobile devices, but it is essential for a wide range of products.
7.has a wall bracket
LG 55LM640
Sony XBR X900C 55"
This bracket allows the user to change the viewing angle manually by up to 90 degrees.
8.shipping weight

30.6kg

28.3kg

The gross weight of the product when packaged, including all wrapping, and boxing.
9.has an external memory slot
LG 55LM640
Sony XBR X900C 55"
The device has a standard memory slot (such as an SD or micro SD card slot) that enables you to extend the built-in internal storage with affordable memory modules, or easily retrieve data, such as photographs, from the memory card.

Display

1.pixel density

40ppi

80.7ppi

Pixel density is a measurement of a screen's resolution, expressed as the number of pixels per inch (PPI) on the screen. A higher pixel density translates into more clarity and sharpness for the images rendered on the screen, thus improving the quality of the viewing experience.
2.resolution

1920 x 1080px

3840 x 2160px

Resolution is an essential indicator of a screen's image quality, representing the maximum amount of pixels that can be shown on the screen. The resolution is given as a compound value, comprised of horizontal and vertical pixels.
The bigger the screen size is, the better the user experience.
4.has an LED-backlit display
LG 55LM640
Sony XBR X900C 55"
Uses LED backlighting, resulting in better image quality, more vibrant colors and richer blacks.
5.Has an OLED or AMOLED display
LG 55LM640
Sony XBR X900C 55"
OLED (Organic Light-Emitting Diode) displays are formed of organic materials that emit light. They have higher contrast ratios and wider viewing angles compared to LCDs. AMOLED and POLED are types of OLED displays.
6.has a display in 24p
LG 55LM640
Sony XBR X900C 55"
A display that supports 24p can display content at the same speed of a screen cinema, for a more cinematic experience.
7.has an IPS screen
LG 55LM640
Sony XBR X900C 55"
IPS (In-Plane Switching) is a technology used for LCDs. It was designed to overcome the main limitations of conventional twisted nematic TFT displays: limited viewing angles and low-quality color reproduction. PLS (Plane-to-Line Switching) is a type of IPS screen developed by Samsung, with increased brightness and lower production costs.
8.refresh rate

400Hz

120Hz

The frequency at which the screen is refreshed. Higher frequency results in less flickering (less noise) and more natural movement representation in action-intense scenes.
9.has an ambient light sensor
LG 55LM640
Sony XBR X900C 55"
An ambient light sensor adjusts the luminance of the device according to the amount of natural light that surrounds it.

Connectivity

1.supports Wi-Fi
LG 55LM640
Sony XBR X900C 55"
The device can connect to Wi-Fi.
More HDMI ports mean that you can simultaneously connect numerous devices, such as video game consoles and set-top boxes.
With more USB ports, you are able to connect more devices.
Newer versions of HDMI support higher bandwidth, which allows for higher resolutions and frame rates.
5.supports Wi-Fi 4 (802.11n)
LG 55LM640
Sony XBR X900C 55"
Wi-Fi 4 (802.11n) is a wireless standard released in 2009. It has faster transfer rates and improved security compared to its predecessors – a, b, and g.
6.has a VGA connector
LG 55LM640
Sony XBR X900C 55"
VGA connector is a widespread connector and is found on many video cards, computer monitors, and some television sets.
7.is DLNA-certified
LG 55LM640
Sony XBR X900C 55"
All DLNA-certified products are compatible with one another. When different devices are connected to the same network, data can be transferred easily between them.
8.supports common interface
LG 55LM640
Sony XBR X900C 55"
This is a technology which allows separation of the TV screen and the decoder. It is used for pay-to-view TV (like Apple TV).
The more composite ports a device has, the more devices can be simultaneously connected, such as video game consoles and set-top boxes.

Audio

1.supports Dolby Digital
LG 55LM640
Sony XBR X900C 55"
If the device supports Dolby Digital it can deliver up to six different audio channels (sides) for a much better sound quality.
2.audio output power

2 x 10W

4 x 7.5W

Audio output power is based on the number of speakers and their power in watts. High audio output power results in loud, clear sounds.
3.has stereo speakers
LG 55LM640
Sony XBR X900C 55"
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
4.has DTS Surround
LG 55LM640
Sony XBR X900C 55"
DTS Surround is a high-quality audio codec that supports up to six audio channels, with good bitrates and audio quality.
5.supports Dolby Digital Plus
LG 55LM640
Sony XBR X900C 55"
If a device supports Dolby Digital Plus it can deliver up to fourteen different audio channels (sides) with improved bitrates, for a much better sound quality.
6.supports Dolby Digital MS10
LG 55LM640
Sony XBR X900C 55"
If a device supports Dolby Digital MS10 it can decode Dolby Digital and Dolby Digital Plus.
7.has SRS TheaterSound HD
LG 55LM640
Sony XBR X900C 55"
SRS devices create an immersive 3D soundfield using only two speakers, simulating the kind of audio experience delivered by devices that support Dolby Digital.
8.has a subwoofer
LG 55LM640
Sony XBR X900C 55"
Devices with a subwoofer have a higher quality, deeper bass.
9.has auto volume
LG 55LM640
Sony XBR X900C 55"
This technology adjusts the volume of the device according with what the video player needs.

Features

1.supports USB recording
LG 55LM640
Sony XBR X900C 55"
USB recording is the capacity of the device to record content into plugged in USB devices.
2.has a sleep timer
LG 55LM640
Sony XBR X900C 55"
A sleep timer is a function that shuts off the power after a preset amount of time.
3.has time shift
LG 55LM640
Sony XBR X900C 55"
This function allows the user to record and program a file to a storage medium (dvd player or usb) to be viewed or listened at a more convenient time.
4.has a search browser
LG 55LM640
Sony XBR X900C 55"
With a search browser app, you can surf the internet from your device.
5.has a child lock
LG 55LM640
Sony XBR X900C 55"
A child lock enables adults to prevent or restrict children’s use of the device.
6.supports two-player full-screen gaming
LG 55LM640
Sony XBR X900C 55"
With this function, both players can see their own game in full-screen simultaneously by wearing special glasses.
7.has a front camera
LG 55LM640
Sony XBR X900C 55"
A front camera, also called secondary camera, can be used for video chats/selfies.
8.has voice commands
LG 55LM640
Sony XBR X900C 55"
You can use your voice to control key functions of the device and you can easily access your device without pushing any button.
9.supports text-to-speech
LG 55LM640
Sony XBR X900C 55"
This enables your device to verbalize on-screen content.

Miscellaneous

1.has a 24p cinema mode
LG 55LM640
Sony XBR X900C 55"
24p is a video format (24 frames per second) traditionally used in cinema. Nowadays, it is used to create film-like motion characteristics.
2.has a socket for a 3.5 mm audio jack
LG 55LM640
Sony XBR X900C 55"
With a standard mini jack socket, you can use the device with most headphones.

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