Comparison between:
- 54.6" TCL 55C645
- 54.6" TCL 55EP680

Brand, series, model

Information about the brand, series, model and model aliases.

TCL 55C645TCL 55EP680
SeriesC645EP68
TCL 55C645TCL 55EP680
Model alias55C645X1
55QLED770
-
Model year20232019

Display

Information about the main characteristics of the display - panel, backlight, resolution, refresh rate, etc.

Size class54.6 in54.6 in
Diagonal1388 mm
138.8 cm
54.6457 in
4.5538 ft
1388 mm
138.8 cm
54.6457 in
4.5538 ft
Width1209.6 mm
120.96 cm
47.622 in
3.9685 ft
1209.6 mm
120.96 cm
47.622 in
3.9685 ft
Height680.4 mm
68.04 cm
26.7874 in
2.2323 ft
680.4 mm
68.04 cm
26.7874 in
2.2323 ft
Panel typeVAVA
Panel bit depth10 bits (8 bits + FRC)10 bits (8 bits + FRC)
FRCYesYes
Colors1073741824 colors
30 bits
1073741824 colors
30 bits
Aspect ratio1.778:1
16:9
1.778:1
16:9
Resolution3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
Pixel pitch0.315 mm
0.0315 cm
0.0124 in
0.001 ft
0.315 mm
0.0315 cm
0.0124 in
0.001 ft
Pixel density80 ppi
31 ppcm
80 ppi
31 ppcm
Display area94.36 %90.77 %
BacklightDirect LEDDirect LED
DCI P394 %85 %
Rec. 2020-64 %
Brightness450 cd/m²300 cd/m²
Peak brightness1000 cd/m²-
Static contrast6000 : 14500 : 1
HDRHDR10
HDR10+
Dolby Vision
HLG (Hybrid Log Gamma)
HDR10
HLG (Hybrid Log Gamma)
Horizontal viewing angle178 °178 °
Vertical viewing angle178 °178 °
Input lag-18 ms
0.0180 s

3D

3D displays use various technologies to achieve a 3D effect. Each of these technologies has its own advantages and drawbacks.

3DNoNo

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Vertical frequency (digital)50 Hz / 60 Hz50 Hz / 60 Hz

Frame interpolation

Many smart TV sets use a technology for interpolating (inserting) of intermediate frames between existing ones in order to achieve more fluent visualization, especially for dynamic scenes.

Interpolation technology-Picture Performance Index
Interpolation value-1700
Interpolation measurement unit-PPI

Power supply and consumption

Information about the power supply and consumption, energy efficiency class, etc.

110V100 V - 120 V-
220V220 V - 240 V220 V - 240 V
Alternating current frequency50 Hz - 60 Hz50 Hz - 60 Hz
Power consumption (off)-0.29 W
Power consumption (sleep)0.5 W-
Power consumption (average)84 W87 W
Power consumption (maximum)155 W140 W
Power consumption (annual)-164 kWh
Energy efficiency class-A+

Dimensions, weight and color

Information about the dimensions and the weight of the specific model with and without stand as well as the colors, in which it is offered to the market.

Width1225 mm
122.5 cm
48.2283 in
4.019 ft
1242 mm
124.2 cm
48.8976 in
4.0748 ft
Height712 mm
71.2 cm
28.0315 in
2.336 ft
730 mm
73 cm
28.7402 in
2.395 ft
Depth83 mm
8.3 cm
3.2677 in
0.2723 ft
78 mm
7.8 cm
3.0709 in
0.2559 ft
Weight11.1 kg
24.47 lbs
12.2 kg
26.9 lbs
Width with stand1225 mm
122.5 cm
48.2283 in
4.019 ft
1242 mm
124.2 cm
48.8976 in
4.0748 ft
Height with stand763 mm
76.3 cm
30.0394 in
2.5033 ft
781 mm
78.1 cm
30.748 in
2.5623 ft
Depth with stand356 mm
35.6 cm
14.0157 in
1.168 ft
220 mm
22 cm
8.6614 in
0.7218 ft
Weight with stand11.3 kg
24.91 lbs
12.4 kg
27.34 lbs
Box width1392 mm
139.2 cm
54.8031 in
4.5669 ft
1397 mm
139.7 cm
55 in
4.5833 ft
Box height863 mm
86.3 cm
33.9764 in
2.8314 ft
870 mm
87 cm
34.252 in
2.8543 ft
Box depth132 mm
13.2 cm
5.1969 in
0.4331 ft
145 mm
14.5 cm
5.7087 in
0.4757 ft
Box weight15.5 kg
34.17 lbs
19.3 kg
42.55 lbs
Stand width1181 mm
118.1 cm
46.4961 in
3.8747 ft
-
Stand depth356 mm
35.6 cm
14.0157 in
1.168 ft
-
ColorsBrushed TitaniumBlack

Ergonomics

Information about the ergonomic functions - height adjustment, swivel angles, tilt angles, etc.

VESA mountYesYes
VESA interface200 x 300 mm200 x 200 mm
Removable standYesYes
Height adjustmentNoNo
Landscape/portrait pivotNoNo
Left/right swivelNoNo
Forward/backward tiltNoNo
Stand width - 775 - 1181 mm-

TV tuner

The TV tuner is a device, which allows the receiving and visualization of a certain type of television signal. There are tuners for digital, analog, cable and satellite television.

TV tunerAnalog (NTSC/PAL/SECAM)
DVB-T
DVB-T2
DVB-C
DVB-S
DVB-S2
Analog (NTSC/PAL/SECAM)
DVB-T2
DVB-S2
DVB-C
DVB-T
DVB-S

System on Chip (SoC)

Information about the central processor, graphic processor and the memory of the model.

Processor brand nameAiPQ 3.0 Engine-
SoCRT51M Platform (Realtek RTD2880)RealTek RTD2851
Processor (CPU)-ARM Cortex-A55
CPU cores44
CPU frequency-1100 MHz
GPU-ARM Mali-470 MP
RAM capacity-2 GB
Storage-16 GB

OS, apps and software features

Information about the operating system, applications, various software features if available.

Operating system (OS)Google TV (Android 11)Android 9.0 Pie

Audio

Information about the audio system - number and power of the built-in speakers, supported audio technologies.

Speakers2 x 10 W2 x 10 W
2.0 CH
Down firing
Dolby Atmos
DTS-HD
DTS Virtual: X
Dolby Digital Plus
Down firing

Camera

Many contemporary desktop monitors and smart TV sets have built-in cameras.

CameraNoNo

Network

Supported network technologies and standards for exchanging data with other devices.

NetworkLAN
Wi-Fi
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Wi-Fi Direct
DLNA
Bluetooth 5.0
LAN
Wi-Fi
802.11b
802.11g
802.11n
Bluetooth
Wi-Fi Direct
DLNA

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity1 x USB 2.0
1 x Ethernet RJ45
3 x HDMI 2.0
1 x Satellite In (F-type female)
1 x AV Composite In 3.5 mm jack
1 x Optical Audio Out
1 x 3.5 mm Audio Out
1 x Antenna (RF) (female)
1 x CI+ 1.4
2 x USB 2.0
1 x Ethernet RJ45
3 x HDMI 2.0 (ARC; CEC; MHL)
1 x Satellite In (Main; F-type female)
1 x AV Composite In (Video + L/R)
1 x Optical Audio Out
1 x 3.5 mm Audio Out
1 x Antenna (RF) (female)
1 x CI+
Audio Return Channel (ARC)
Auto Low Latency Mode (ALLM)
Enhanced Audio Return Channel (eARC)
High-bandwidth Digital Content Protection (HDCP) 2.2
T-link (CEC)
Variable Refresh Rate (VRR) - 1440p @ 120Hz
High-bandwidth Digital Content Protection (HDCP) 2.2

Features

Some additional functional features of the model.

Features3-sided bezelless design
120Hz Game Accelerator
4K HDR Pro
Ai-Clarity
Ai-Color
Ai-Contrast
Ai-HDR
Ai-Motion
Alexa
AMD FreeSync technology
Chromecast built-in
Disney+
Digital Noise Reduction
Dual Line Gate (DLG) technology
Game Bar
Game Master 2.0
Google Assistant
Hands-free Voice Control
Low Input Lag
Mega Contrast
MEMC (Motion Estimation Motion Compensation)
Micro Dimming - 2040 zones
Motion Clarity
Netflix
Prime Video
Quantum Dot Color
YouTube
Dimming Pro
IPQ Engine
Mega Dynamic Contrast
Noise Reduction
UHD Color Extender
UHD Upscaling
Wide Color Gamut

Image file formats

Smart TV sets allow the display of different image file formats.

Image file formatsJPEG
GIF
PNG
JPEG
PNG
BMP

Audio file formats

Smart TV sets allow playing different audio file formats.

Audio file formats/codecs3GPP
AAC
AAC+
FLAC
M4A
MP3
WMA
WAV
MP3
WMA

Video file formats

Smart TV sets allow playing various video file formats.

Video file formats/codecs3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
MPEG-4
VC-1
VP8
VP9
WMV
AV1
AVI
DivX
H.263
H.264
H.265
MKV
MP4
MPEG-4
TS
VP8
VP9
WMV

Certificates, standards and licenses

Licenses from regulatory agencies, standards, certificates.

Certificates, standards and licenses-RoHS

Operating and storage conditions

There are certain requirements for the environmental conditions, in which the display should be used and stored in order to function properly.

Operating temperature5 °C - 35 °C
41 °F - 95 °F
5 °C - 35 °C
41 °F - 95 °F
Operating humidity20 % - 80 %20 % - 80 %
Storage temperature-15 °C - 45 °C
5 °F - 113 °F
-15 °C - 45 °C
5 °F - 113 °F
Storage humidity10 % - 90 %10 % - 90 %

Accessories

Often the packaging of desktop monitors and smart TV sets includes accessories for them.

AccessoriesRemote control - RC833Remote control - RC802N6 + RC802V4
 TCL 55C645TCL 55EP680