74.5" TCL 75C645 - Specifications

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SpecificationsDisplayPower consumption
Display: 74.5 in, VA, Direct LED, 3840 x 2160 pixels
Viewing angles (H/V): 178 ° / 178 °
Brightness: 450 cd/m²
Static contrast: 6000 : 1
Refresh rate: 50 Hz / 60 Hz
TV tuner: Analog (NTSC/PAL/SECAM), DVB-T, DVB-T2, DVB-C, DVB-S, DVB-S2
SoC: RT51M Platform (Realtek RTD2880)
Cores: 4
Dimensions: 1668 x 962 x 92 mm
Weight: 23.5 kg

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Brand, series, model

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

Brand

Name of the company-manufacturer.

TCL
Series

Name of the series, which the model belongs to.

C645
Model

Designation of the model.

75C645
Model alias

Other known designations of the model.

75C645X1
75QLED770
Model year

The year in which this model was announced.

2023

Display

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

Size class

Size class of the display as declared by the manufacturer. Often this is the rounded value of the actual size of the diagonal in inches.

74.5 in (inches)
Diagonal

Approximate diagonal size of the display. If the manufacturer does not provide such information, the diagonal is calculated from the width and height of the screen.

1893 mm (millimeters)
189.3 cm (centimeters)
74.5276 in (inches)
6.2106 ft (feet)
Width

Approximate width of the display. If the manufacturer does not provide such information, the width is calculated from the diagonal and the aspect ratio.

1650.24 mm (millimeters)
165.024 cm (centimeters)
64.9701 in (inches)
5.4142 ft (feet)
Height

Approximate height of the display. If the manufacturer does not provide such information, the height is calculated from the diagonal and the aspect ratio.

928.26 mm (millimeters)
92.826 cm (centimeters)
36.5457 in (inches)
3.0455 ft (feet)
Panel type

There are various panel technologies. Each has its own specific features - viewing angles, color reproduction, response time, brightness/contrast, production cost, etc. The image quality depends directly on the type of the display panel used.

VA
Panel bit depth

The most widely used panels are those with 6, 8, and 10 bits for each of the RGB components of the pixel. They provide 18-, 24-, and 30-bit color, respectively.

10 bits (8 bits + FRC)
FRC

Frame Rate Control (FRC) is a method, which allows the pixels to show more color tones. With quick cyclic switching between different color tones, an illusion for a new intermediate color tone is created. For example, by using FRC, a 6-bit display panel is able to show 16.7 millioin colors, which are typical for 8-bit display panels, and not the standard 262200 colors, instead. There are different FRC algorithms.

Yes
Colors

The maximum number of colors, which the display is able to reproduce, depends on the type of the panel in use and color enhancing technologies like FRC.

1073741824 colors
30 bits
Aspect ratio

The ratio between the horizontal and the vertical side of the display. Some of the standard and widely used aspect ratios are 4:3, 5:4, 16:9 and 16:10.

1.778:1
16:9
Resolution

Information about the number of pixels on the horizontal and vertical side of the screen. A higher resolution allows the display of a more detailed and of higher quality image.

3840 x 2160 pixels
Ultra HD (UHD) / 4K / 2160p
Pixel pitch

The pixel pitch shows the distance from the centers of two neighboring pixels. In displays, which have a native resolution (the TFT ones, for example), the pixel pitch depends on the resolution and the size of the screen.

0.43 mm (millimeters)
0.043 cm (centimeters)
0.0169 in (inches)
0.0014 ft (feet)
Pixel density

Information of the number of pixels in a unit of length. With the decrease of the display size and the increase of its resolution, the pixel density increases.

59 ppi (pixels per inch)
23 ppcm (pixels per centimeter)
Display area

The percentage of the approximate area, taken by the active part of the screen, to the total front area.

95.47 % (percent)
Backlight

The backlight is the source of light of the LCD display panels. The type of backlight determines the image quality and the color space of the display. There are various backlights such as CCFL, LED, WLED, RGB-LED, and etc.

Direct LED
DCI P3

DCI P3 is a color space, introduced in 2007 by the SMPTE. It is used in digital cinema and has a much wider gamut than the sRGB.

94 % (percent)
Brightness

Information about the brightness of the screen. It is measured in candela per square metre (cd/m²).

450 cd/m² (candela per square meter)
Static contrast

The static contrast shows the ratio between the brightest and the darkest color, which the display can reproduce simultaneously, for example, within one and the same frame/scene.

6000 : 1
HDR

HDR expands the contrast ratio (peak luminance and minimal black levels) and color palette to achieve more details across the whole image - from the darkest parts to the brightest ones, which results in more realistic and life-like image.

HDR10
HDR10+
Dolby Vision
HLG (Hybrid Log Gamma)
Horizontal viewing angle

Information about the maximum horizontal viewing angle, within which the image on the screen is of acceptable quality.

178 ° (degrees)
Vertical viewing angle

Information about the maximum vertical viewing angle, within which the image on the screen is of acceptable quality.

178 ° (degrees)

3D

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

3D

Information on whether 3D is supported or not.

No

Frequencies

Information about the horizontal and vertical refresh rates/frequencies.

Vertical frequency (digital)

The vertical frequency/refresh rate shows how many times in a second the image on the screen is refreshed.

50 Hz / 60 Hz (hertz)

Power supply and consumption

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

110V

Permissible voltage tolerance in a 110-volt electric system.

100 V - 120 V (volts)
220V

Permissible voltage tolerance in a 220-volt electric system.

220 V - 240 V (volts)
Alternating current frequency

Requirement regarding the alternating current frequency in the electric system.

50 Hz - 60 Hz (hertz)
Power consumption (sleep)

Power consumption in sleep/stand by/suspend mode.

0.5 W (watts)
Power consumption (average)

Average power consumption in standard work mode.

140 W (watts)
Power consumption (maximum)

The maximum possible power consumption.

280 W (watts)
Energy efficiency class

The energy efficiency class/label provides general idea about the power consumption. There are different energy efficiency classes and each sets its own requirements regarding the power consumption. Some of the existent energy efficiency classes are A+++, A++, A+, A, B, C, D, E, F, G.

G

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.

Width

Width without stand in different measurement units.

1668 mm (millimeters)
166.8 cm (centimeters)
65.6693 in (inches)
5.4724 ft (feet)
Height

Height without stand in different measurement units.

962 mm (millimeters)
96.2 cm (centimeters)
37.874 in (inches)
3.1562 ft (feet)
Depth

Depth without stand in different measurement units.

92 mm (millimeters)
9.2 cm (centimeters)
3.622 in (inches)
0.3018 ft (feet)
Weight

Weight without stand in different measurement units.

23.5 kg (kilograms)
51.81 lbs (pounds)
Width with stand

Width with stand in different measurement units.

1668 mm (millimeters)
166.8 cm (centimeters)
65.6693 in (inches)
5.4724 ft (feet)
Height with stand

Height with stand in different measurement units.

1025 mm (millimeters)
102.5 cm (centimeters)
40.3543 in (inches)
3.3629 ft (feet)
Depth with stand

Depth with stand in different measurement units.

335 mm (millimeters)
33.5 cm (centimeters)
13.189 in (inches)
1.0991 ft (feet)
Weight with stand

Weight with stand in different measurement units.

24 kg (kilograms)
52.91 lbs (pounds)
Box width

Width of the package in different measurement units.

1855 mm (millimeters)
185.5 cm (centimeters)
73.0315 in (inches)
6.086 ft (feet)
Box height

Height of the package in different measurement units.

1120 mm (millimeters)
112 cm (centimeters)
44.0945 in (inches)
3.6745 ft (feet)
Box depth

Depth of the package in different measurement units.

190 mm (millimeters)
19 cm (centimeters)
7.4803 in (inches)
0.6234 ft (feet)
Box weight

Weight of the product with all accessories and packaging in different measurement units.

34.1 kg (kilograms)
75.18 lbs (pounds)
Stand width

Width of the stand or distance between the legs in different measurement units.

1440 mm (millimeters)
144 cm (centimeters)
56.6929 in (inches)
4.7244 ft (feet)
Stand depth

Depth of the stand in different measurement units.

335 mm (millimeters)
33.5 cm (centimeters)
13.189 in (inches)
1.0991 ft (feet)
Colors

Information about the colors, in which the specific model is offered to the market.

Brushed Titanium

Ergonomics

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

VESA mount

Information about whether there is a possibility for wall mounting according to the VESA Mounting Interface Standard (MIS).

Yes
VESA interface

There are many various interfaces under the VESA standard, which differ in the size of the brackets, the distances between the screw holes and their number.

300 x 300 mm
Removable stand

Information about whether the stand can be dismounted. Usually, this is required for wall mounting.

Yes
Height adjustment

Information about whether the stand allows height adjustment.

No
Landscape/portrait pivot

Some displays have the ability to operate in landscape and portrait mode alike.

No
Left/right swivel

Information whether the display can be swiveled around the stand axis.

No
Forward/backward tilt

Most displays have the ability to be tilted forward and backward as to provide a more comfortable viewing position for the user.

No
Stand width - 740 - 1440 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 tuner

Information about the TV tuners, which the current model is equipped with.

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

System on Chip (SoC)

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

Processor brand name

Brand name of the processor trademarked by the manufacturer.

AiPQ 3.0 Engine
SoC

The system-on-chip (SoC) integrates different hardware components such as CPU, GPU, memory and others.

RT51M Platform (Realtek RTD2880)
CPU cores

The software instructions are performed by the CPU cores. The higher number of cores allows for the parallel (simultaneous) processing of more instructions and achieving higher performance. There are various processors equipped with 1, 2, 4, 6, 8, and more cores.

4

OS, apps and software features

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

Operating system (OS)

The operating systems of the smart TV sets feature user interface technologies for navigation and other ways of interaction with the smart TV - installing applications, internet browsing, video calls, sharing content with other users, playing videos and music, etc.

Google TV (Android 11)

Audio

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

Speakers

The speaker is a device, which converts electrical audio signals into acoustic vibrations resulting in corresponding sounds.

2 x 15 W (watts)
2.0 CH
Down firing
Dolby Atmos
DTS-HD
DTS Virtual: X

Camera

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

Camera

Information whether the current model has a built-in camera or not.

No

Network

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

Network

Information about the network technologies and standards supported by the model, which allow for it to connect to and communicate with other devices.

LAN
Wi-Fi
802.11a (IEEE 802.11a-1999)
802.11b (IEEE 802.11b-1999)
802.11g (IEEE 802.11g-2003)
802.11n (IEEE 802.11n-2009)
802.11n 5GHz
802.11ac (IEEE 802.11ac)
Wi-Fi Direct
DLNA
Bluetooth 5.0

Connectivity

Available connectivity ports, slots and interfaces.

Connectivity

Information about the available connectivity ports, slots and interfaces such as USB, infrared port, SD card slot, audio/video and network interfaces, etc.

1 x USB 2.0
1 x USB 3.0
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
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

Features

Some additional functional features of the model.

Features

Information about additional software features, technologies, functions and services of the model.

3-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

Image file formats

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

Image file formats

Information about some of the main image file formats supported by the current model.

JPEG
GIF
PNG

Audio file formats

Smart TV sets allow playing different audio file formats.

Audio file formats/codecs

Information about some of the main audio file formats/codecs supported by the current model.

3GPP (3rd Generation Partnership Project, .3gp)
AAC (Advanced Audio Coding)
AAC+ / aacPlus / HE-AAC v1
FLAC (Free Lossless Audio Codec, .flac)
M4A (MPEG-4 Audio, .m4a)
MP3 (MPEG-2 Audio Layer II, .mp3)
WMA (Windows Media Audio, .wma)
WAV (Waveform Audio File Format, .wav, .wave)

Video file formats

Smart TV sets allow playing various video file formats.

Video file formats/codecs

Information about some of the main video file formats/codecs supported by the current model.

3GPP (3rd Generation Partnership Project, .3gp)
AVI (Audio Video Interleaved, .avi)
DivX (.avi, .divx, .mkv)
H.263
H.264 / MPEG-4 Part 10 / AVC video
H.265 / MPEG-H Part 2 / HEVC
MKV (Matroska Multimedia Container, .mkv .mk3d .mka .mks)
MP4 (MPEG-4 Part 14, .mp4, .m4a, .m4p, .m4b, .m4r, .m4v)
MPEG-4
VC-1
VP8
VP9
WMV (Windows Media Video, .wmv)
AV1

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 temperature

The operating temperature shows the safe temperature range (from minimum to maximum), within which the display will function flawlessly. Outside this range it might operate improperly and/or fail entirely.

5 °C - 35 °C (degrees Celsius)
41 °F - 95 °F (degrees Fahrenheit)
Operating humidity

The operating humidity shows the acceptable level of humidity, in which the display will function flawlessly. It sets a lower and an upper humidity level for safe operation and is measured in percentage.

20 % - 80 % (percent)
Storage temperature

The storage temperature shows the range from a minimum to a maximum temperature, within which storing of the display is considered to be safe.

-15 °C - 45 °C (degrees Celsius)
5 °F - 113 °F (degrees Fahrenheit)
Storage humidity

The storage humidity shows the lower and upper humidity limit, which ensures safe storage of the display. Storing it outside these limits might damage the display.

10 % - 90 % (percent)

Accessories

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

Accessories

Information about some of the main accessories included in the standard packaging of the current model.

Remote control - RC833

Other models from the C645 series of TCL

List of other models from the same TCL series, to which the TCL 75C645 belongs.

View
42.5" TCL 43C645, VA, Direct LED, 3840 x 2160 pixels, 50 Hz / 60 Hz, 959 x 560 x 80 mm, 6.4 kg
View
49.5" TCL 50C645, VA, Direct LED, 3840 x 2160 pixels, 50 Hz / 60 Hz, 1112 x 648 x 80 mm, 9 kg
View
54.6" TCL 55C645, VA, Direct LED, 3840 x 2160 pixels, 50 Hz / 60 Hz, 1225 x 712 x 83 mm, 11.1 kg
View
64.5" TCL 65C645, VA, Direct LED, 3840 x 2160 pixels, 50 Hz / 60 Hz, 1446 x 835 x 82 mm, 15.1 kg
View
84.6" TCL 85C645, VA, Direct LED, 3840 x 2160 pixels, 50 Hz / 60 Hz, 1893 x 1090 x 74 mm, 35 kg

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TCL 75C645

74.5" TCL 75C645

Display: 74.5 in, VA, Direct LED, 3840 x 2160 pixels
Viewing angles (H/V): 178 ° / 178 °
Brightness: 450 cd/m²
Static contrast: 6000 : 1
Refresh rate: 50 Hz / 60 Hz
TV tuner: Analog (NTSC/PAL/SECAM), DVB-T, DVB-T2, DVB-C, DVB-S, DVB-S2
SoC: RT51M Platform (Realtek RTD2880)
Cores: 4
Dimensions: 1668 x 962 x 92 mm
Weight: 23.5 kg