89points

Panasonic Viera TX-55CXW804

59points

Sony 40" LED EX640

Comparison winner
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
vs
vs

45 facts in comparison

Panasonic Viera TX-55CXW804 vs Sony 40" LED EX640

Panasonic Viera TX-55CXW804
Sony 40" LED EX640

Why is Panasonic Viera TX-55CXW804 better than Sony 40" LED EX640?

  • 4x higher resolution
    ?

    3840 x 2160pxvs1920 x 1080px
  • 45.45% higher pixel density
    ?

    80ppivs55ppi
  • Supports Wi-Fi
    ?
  • 37.5% bigger screen size
    ?

    55"vs40"
  • Has an LED-backlit display
    ?
  • Supports USB recording
    ?
  • 1 more USB ports
    ?

    3vs2
  • Supports a remote smartphone
    ?

Why is Sony 40" LED EX640 better than Panasonic Viera TX-55CXW804?

  • 296mm narrower
    ?

    941mmvs1237mm
  • 9.8kg lighter
    ?

    14.2kgvs24000g
  • 54W lower power consumption on operation
    ?

    58W vs112W
  • 0.26W lower power consumption on standby
    ?

    0.24W vs0.5W
  • Has a sleep timer
    ?
  • 12kg less shipping weight
    ?

    18kgvs30kg
  • 1 more composite ports
    ?

    2vs1
  • Has a child lock
    ?

Price comparison

Design

1.width

1.24m

941mm

The width represents the horizontal dimension of the product. We consider a smaller width better because it assures easy maneuverability.
2.weight

24kg

14.2kg

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.
3.supports a remote smartphone
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
This technology allows the users to use their smartphone as a remote control for the device.
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.
6.thickness

54mm

60mm

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.
The gross weight of the product when packaged, including all wrapping, and boxing.
8.has an external memory slot
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
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.
9.has a motorised wall bracket
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
This stand allows the user to change the viewing angle by up to 90 degrees with a remote control.

Display

1.resolution

3840 x 2160px

1920 x 1080px

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.
2.pixel density

80ppi

55ppi

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.
The bigger the screen size is, the better the user experience.
4.has an LED-backlit display
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
Uses LED backlighting, resulting in better image quality, more vibrant colors and richer blacks.
5.has an IPS screen
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
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.
6.has an ambient light sensor
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
An ambient light sensor adjusts the luminance of the device according to the amount of natural light that surrounds it.
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.
8.has an HDR10-enabled display
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
The display supports HDR10, which is an HDR (high dynamic range) video technology. Compared to standard dynamic range (SDR) video, HDR10 video has greater contrast and color depth, resulting in more realistic images.
9.has micro or local dimming
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
Local dimming is when sections of the LED array are turned off or dimmed to help produce the deep blacks and higher contrasts.

Connectivity

1.supports Wi-Fi
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
The device can connect to Wi-Fi.
With more USB ports, you are able to connect more devices.
More HDMI ports mean that you can simultaneously connect numerous devices, such as video game consoles and set-top boxes.
4.is DLNA-certified
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
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.
5.supports common interface
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
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.
7.Has Bluetooth
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
Bluetooth is a wireless technology that allows you to easily transfer data between different devices, such as smartphones, tablets and computers.
The more component ports a device has, the more devices can be simultaneously connected, such as video game consoles and set-top boxes.
9.has a DVB-T2 decoder
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
A DVB-T2 is the newer version of Digital Video Broadcasting which is a digital version of cable television.

Audio

1.supports Dolby Digital
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
If the device supports Dolby Digital it can deliver up to six different audio channels (sides) for a much better sound quality.
2.has stereo speakers
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
3.supports Dolby Digital Plus
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
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.
Audio output power is based on the number of speakers and their power in watts. High audio output power results in loud, clear sounds.
5.supports Digital Out
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
Devices that support Digital Out can deliver sound through optic fiber audio cables (like TOSLINK) or coaxial audio cables, which can transmit high-resolution audio at fast speeds.

Features

1.supports USB recording
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
USB recording is the capacity of the device to record content into plugged in USB devices.
2.has a sleep timer
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
A sleep timer is a function that shuts off the power after a preset amount of time.
3.has a search browser
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
With a search browser app, you can surf the internet from your device.
4.has a child lock
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
A child lock enables adults to prevent or restrict children’s use of the device.
5.has voice commands
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
You can use your voice to control key functions of the device and you can easily access your device without pushing any button.

Miscellaneous

1.has a 24p cinema mode
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
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
Panasonic Viera TX-55CXW804
Sony 40" LED EX640
With a standard mini jack socket, you can use the device with most headphones.

Price comparison

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