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Summary
  • 55"4KHDR
    D
  • 124 cm73 cm7.8 cm
  • LCD LED Edge LED VA
  • 400 nits --:1
  • Total 52 W 4 x 13W
  • DVB-TDVB-T2
  • Android TV 9 Pie

TCL EC78 specs: Technical sheet

Brand

Brand
TCL
Serie
EC78
Model
55EC780
Other codes
55EC780X1

Release Date

Year
2019

TCL EC78 prices

Versions and prices
55"  •  4K  •  55EC780  •  DVB
65"  •  4K  •  65EC780  •  DVB

Image

LCD LED

  • Backlight
    Edge LED
    Edge LED lighting illuminates the panel from the sides with worse light distribution
  • Technology
    VA
    VA technology allows a greater contrast than an IPS, against losing slightly in viewing angle
  • Colorimetry
    RGB filter
    The RGB filter is found on all televisions and allows you to generate the three RGB colors
  • Reference image
    Final image
    Good
    Good choice for normal use, if you don't need pure blacks


Size (inches) and resolution

Diagonal
55 inches
Resolution
4K 3840 x 2160
Aspect ratio
16:9
Pixel density
80 ppi

Technology

Panel type
LCD
LCD technology
VA
Subpixel type
RGB
Refresh rate
60 Hz
Panel Manufacturer
--

Backlight and contrast

Backlight type
LED
Backlight form
Edge LED
Brightness
400 nits
Contrast
--:1
Light sensor
No

Colorimetry

Quantum Dots
No
Color spaces
Rec. 709
100%
DCI P3
--
NTSC 1953
--
Rec. 2020
--
sRGB
--
Color depth
10 bits

HDR

Tradename
HDR Pro
HDR technologies
  • Dolby Vision
  • HDR10+

Crystal

Anti-glare filter
--
Vision angle
Horizontal Vertical

Processing

These features modify the images received by television via software, in many cases they create unwanted artifacts, we disable some of them, but here you have them ...

Color
Wide Color Gamut

Response times

Minimum time
--
Average time
--
Input lag
--
Gaming
--

Sound

Speakers

Speakers
  • 13W 4x
Power
52 W

Sound technologies

Technologies
  • Dolby Atmos

Tuner and connectivity

Digital tuner


DVB

Terrestrial
  • DVB-T
  • DVB-T2
Satellite
  • DVB-S
  • DVB-S2
Cable
  • DVB-C
ATSC & QAM
No
ISDB
No
DTMB
No

Analog tuner

NTSC
Yes
PAL
Yes
SECAM
Yes

Hybrid television

HbbTV
No

Cable connections

RF antenna
  • Antenna (RF) 1x
HDMI
  • HDMI 2.0 1x
  • HDMI 2.0 2x
  • ARC
  • b
  • HDCP 2.2
  • MHL
USB
  • USB 2.0 2x
Satellite
  • Satellite In 1x
CI
  • CI+ 1.4 1x
Optical Audio
  • Optical Audio Out 1x
RCA
  • RCA Video In 1x
3.5mm audio
  • 3.5 mm Audio Out 1x
Ethernet
  • Ethernet RJ45 1x

Wireless connections

Wi-Fi
Yes 802.11b, 802.11g, 802.11n,
Bluetooth
No

Content delivery

Remote control

Type of command
--
Control of multiple devices

Others

PVR recording
No
PIP
No
Others
HDCP (High-bandwidth Digital Content Protection) 2.2

Design

Image gallery

Image gallery
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Structure


With stand

Dimensions
124.2 cm78.1 cm22 cm
Weight
12.4 Kg

Without stand

Dimensions
124.2 cm73 cm7.8 cm
Weight
12.2 Kg
Screen shape
Flat
Frameless
No
Colors
Black

Stand

Removable stand
No
Stand shape
--

VESA

VESA size
200 x 200 mm

Others

Single cable
No
Ambient mode
No

System

Operating System

SW
Android Android TV 9 Pie

Voice assistants

Google Assistant
Yes

Hardware

SOC model
--
RAM
--
ROM
--

Consumption

Energy efficiency
D
Standby consumption
0.3 W
Average consumption
87 W
Consumption
140 W

Power supply

Power supply
100 V - 120 V (volts) 220 V - 240 V (volts)
Power supply frequency
50 Hz - 60 Hz (hertz)

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5.6
Ki Cost-effective
Score
  • 7.1 Image
  • 7.8 Sound
  • 3.5 Connectivity
  • 5.5 Design
  • 7.4 System
What is a Ki score?
Ki is an automatic score based on the specifications and prices of devices. It is calculated using over 200 variables to rank smartphones, tablets and other devices from best to worst.
How do we calculate the Ki?

In this case, to determine the score we evaluate 5 general aspects:

  • Image
  • Sound
  • Connectivity
  • Design
  • System

Once these 5 factors have been rated, we introduce the price variable. This means that any two devices with the same ratings get a different Ki score for quality vs price.

Even a device objectively worse than another may have a higher Ki score if it has a better price.

Does the Ki score change?

The Ki varies as time goes by. As new devices with better specifications enter the market the Ki score of older devices will go down, always being compensated of their decrease in price.