RATED
Great
7.2/10
74.5″ TCL 75S551G – Full Specifications
The 74.5 in TCL 75S551G combines 3840 x 2160 (4K) resolution with a VA panel and Direct LED illumination.
tcl●TV
Display
74.5 in / VA / Direct LED / 3840 x 2160 (4K)
74.5
Refresh rate
50 Hz / 60 Hz
50 Hz
Dimensions
1666.2 mm x 960.1 mm x 71.1 mm (W x H x D)
1666.2
Weight
22.9 kg / 50.49 lbs
22.9 k
Processor
AIPQ with AI
Overview
The 74.5 in TCL 75S551G combines 3840 x 2160 (4K) resolution with a VA panel and Direct LED illumination. Picture specifications include 355 cd/m² peak brightness, 6700 : 1 static contrast, with HDR10 / HDR10+ / Dolby Vision / HLG (Hybrid Log Gamma) HDR support. Gaming features include 50 Hz / 60 Hz, ALLM. Input lag is listed at 10.5 ms / 0.0105 s. Google TV covers streaming and connected use, with Netflix, Prime Video, Disney+, Apple TV+ listed among the supported services. Connectivity includes 3 HDMI inputs, 1 USB, eARC, Wi-Fi, Bluetooth. Audio support includes Onkyo and Dolby Atmos. Installation planning matters at this size: the TV uses 400 x 400 mm and weighs 23.2 kg / 51.15 lbs with the stand. Overall, it is best suited to budget-conscious everyday viewing.
BrandTCLPanel TypeVAResolution3840 x 2160 (4K)Refresh Rate50 Hz / 60 Hz
Key Highlights
- Direct LED is the listed backlight system
- 355 cd/m² peak brightness is published
- 50 Hz / 60 Hz refresh support is listed
- Google TV is the smart-TV platform
Who Should Buy the tcl 75S551G
+ Best For
Gaming
50 Hz / 60 Hz, ALLM
Movies & HDR
HDR10 / HDR10+ / Dolby Vision / HLG (Hybrid Log Gamma)
Streaming
Google TV
Large-screen viewing
74.5 in screen class
× Not Ideal For
High-refresh gamers
VRR/high-refresh capability is limited or not listed
HDMI 2.1-heavy setups
HDMI 2.1 is not listed
Display Performance
Refresh Rate
50 Hz / 60 Hz
Published motion range
Input Lag
10.5 ms / 0.0105 s
Source-provided gaming latency when available
Peak Brightness
355 cd/m²
HDR highlight reference
Static Contrast
6700 : 1
Native dark-to-bright separation
Color Coverage
Not published
Published gamut measurement
HDR
HDR10 / HDR10+ / Dolby Vision / HLG (Hybrid Log Gamma)
Supported HDR formats
Gaming Performance
Refresh Rate50 Hz / 60 HzMotion/high-frame-rate capability
VRRNot listedHelps reduce tearing
ALLMYesAutomatic low-latency switching
FreeSyncNot listedPC/console variable-refresh support
4K@120HzNot listedHigh-frame-rate 4K support
Input Lag10.5 ms / 0.0105 sGaming responsiveness
HDR & Brightness Reality
The TCL 75S551G supports HDR10 / HDR10+ / Dolby Vision / HLG (Hybrid Log Gamma). Peak brightness is listed at 355 cd/m². These figures help with model-to-model comparison, but real-scene HDR tone mapping, blooming and sustained brightness still require independent measurements.
Connectivity & Ports
HDMI3 total; versions: 2.0Video inputs
USB1Media/accessory connection
eARCYesSoundbar/AV receiver audio return
EthernetYesWired networking
WirelessWi-Fi + BluetoothWireless connectivity
Real-World Use Cases
Google TV
HDR10 / HDR10+ / Dolby Vision / HLG (Hybrid Log Gamma)
50 Hz / 60 Hz, ALLM
400 x 400 mm; 23.2 kg / 51.15 lbs
Pros & Cons
Pros
- 355 cd/m² peak brightness gives a clear published HDR-performance reference
- ALLM strengthens gaming support
- Google TV provides a mature streaming and smart-TV platform
Cons
- HDMI 2.1 is not listed in the supplied port-version data
- No wide-gamut percentage is published for direct color-coverage comparison
Score & Ratings
7.2/10
Great
Television Identity & Market
12
| Specification | Value |
|---|---|
| Brand | TCL |
| Series | S5 |
| Model | 75S551G |
| Full Product Name | TCL 75S551G |
| Model Year | 2024 |
| TV Category | Entry/Budget Tier |
| Market Position | Budget/Affordable Tier |
| Primary Use | Budget-Conscious Everyday Viewing |
| Region / Variant | Not specified |
| Launch Status | 2024 model year |
| Available Colors | Black |
| Warranty | 1 year standard / 6 months commercial (N. America) |
Screen Geometry & Format
9
| Specification | Value | What It Means |
|---|---|---|
| Screen Size | 74.5 in | 74.5 in is the diagonal class. |
| Marketed Screen Size | 74.5 in | |
| Exact Diagonal | 1893 mm / 189.3 cm / 74.5276 in / 6.2106 ft | |
| Aspect Ratio | 1.778:1 / 16:9 | |
| Active Display Width | 1650.24 mm / 165.024 cm / 64.9701 in / 5.4142 ft | |
| Active Display Height | 928.26 mm / 92.826 cm / 36.5457 in / 3.0455 ft | |
| Display Area | 95.76 % | |
| Screen-to-Body Ratio | 95.76 % | |
| 3D Support | No |
Panel Architecture & Light Control
4
| Specification | Value | What It Means |
|---|---|---|
| Panel Type | VA | VA identifies the display panel family. |
| Backlight Type | Direct LED | |
| Panel Bit Depth | 10 bits (8 bits + FRC) | |
| Display Colors | 1073741824 colors / 30 bits |
Surface Treatment & Viewing Layer
1
| Specification | Value |
|---|---|
| Screen Coating | Anti-glare/Matte |
Resolution, Scaling & Signal
4
| Specification | Value |
|---|---|
| Native Resolution | 3840 x 2160 pixels / Ultra HD (UHD) / 4K / 2160p |
| Pixel Density | 59 ppi / 23 ppcm |
| Pixel Pitch | 0.43 mm / 0.043 cm / 0.0169 in / 0.0014 ft |
| Native 4K Support | Yes |
◑
Luminance, Blacks & Contrast
7
| Specification | Value | What It Means |
|---|---|---|
| Typical Brightness | 300 cd/m² | |
| Peak Brightness | 355 cd/m² | 355 cd/m² is the source-listed HDR brightness reference. |
| Static Contrast | 6700 : 1 | 6700 : 1 indicates dark-to-bright separation. |
| Static Contrast Ratio | 6700 : 1 | |
| Viewing Angles | 178 ° / 178 ° | |
| Horizontal Viewing Angle | 178 ° | |
| Vertical Viewing Angle | 178 ° |
HDR Formats & Tone Mapping
6
| Specification | Value | What It Means |
|---|---|---|
| HDR Support | Dolby VisionHDR10+HDR10HLG |
HDR10 / HDR10+ / Dolby Vision / HLG (Hybrid Log Gamma) lists accepted HDR formats. |
| HDR Formats | Dolby VisionHDR10+HDR10HLG |
|
| HDR10 | Yes | |
| HDR10+ | Yes | |
| Dolby Vision | Yes | |
| HLG | Yes |
Motion Processing & Response
12
| Specification | Value |
|---|---|
| Native Refresh Rate | 50 Hz / 60 Hz |
| Maximum Refresh Rate | 60 Hz |
| Refresh Rate Range | 50 Hz / 60 Hz |
| Vertical Frequency | 50 Hz / 60 Hz |
| Frame Interpolation | Motion Rate |
| Interpolation Technology | Motion Rate |
| Interpolation Value | 240 |
| Interpolation Unit | MR |
| Motion Processing | MEMC / Motion Rate |
| Motion Estimation | Yes |
| Minimum Response Time | 4.8 ms / 0.0048 s |
| Input Lag | 10.5 ms / 0.0105 s |
Console, VRR & Game Tools
3
| Specification | Value |
|---|---|
| Auto Low Latency Mode | Yes |
| Game Bar | Yes |
| Game Accelerator | Game Accelerator 120 |
Picture Intelligence & AI
8
| Specification | Value |
|---|---|
| Picture Processor | AIPQ with AI |
| AI Processor | AIPQ with AI |
| AI Upscaling | Yes |
| AI Picture | Yes |
| AI Contrast | Yes |
| AI Color | Yes |
| AI Clarity | Yes |
| AI HDR Enhancement | Yes |
Broadcast Tuners & Reception
6
| Specification | Value |
|---|---|
| Built-In TV Tuner | Yes |
| Tuner Configuration | Analog (NTSC/PAL/SECAM), ATSC, Clear QAM |
| Analog Tuner | Yes |
| North American Digital Tuner | ATSC |
| Clear QAM | Yes |
| Cable/Antenna Input | Yes |
Compute, Memory & Storage
2
| Specification | Value |
|---|---|
| Processor Brand Name | AIPQ with AI |
| Picture Processor | AIPQ with AI |
Smart Platform & System
2
| Specification | Value |
|---|---|
| Smart TV | Yes |
| Operating System | Google TV |
Streaming & Entertainment
4
| Specification | Value |
|---|---|
| Netflix | Yes |
| Prime Video | Yes |
| Disney+ | Yes |
| Apple TV+ | Yes |
Voice Assistants & Search
4
| Specification | Value |
|---|---|
| Voice Control | Yes |
| Far-Field Voice Control | Yes |
| Amazon Alexa | Yes |
| Google Assistant | Yes |
HDMI Signal Interface
6
| Specification | Value |
|---|---|
| Total HDMI Ports | 3 |
| HDMI 2.0 Ports | Present |
| HDMI CEC | Yes |
| Enhanced Audio Return Channel | Yes |
| eARC Port | Yes |
| Auto Low Latency Mode | Yes |
USB, Audio & Legacy I/O
5
| Specification | Value |
|---|---|
| Total USB Ports | 1 |
| Ethernet Port | Yes |
| Optical Audio Output | Optical |
| Antenna Input | Yes |
| Composite Input | Yes |
Wireless, LAN & Casting
9
| Specification | Value |
|---|---|
| LAN | Yes |
| Wi-Fi | Yes |
| Wi-Fi Standards | 802.11a / 802.11ac / 802.11b / 802.11g / 802.11n |
| Bluetooth | Yes |
| Apple AirPlay | Yes |
| Apple HomeKit | Yes |
| Chromecast | Yes |
| Google Cast | Yes |
| Miracast | Yes |
Speaker Layout & Output
3
| Specification | Value |
|---|---|
| Built-In Speakers | 2 x 15 W / 2.0 CH / 30 W |
| Main Speakers | 2 x 15 W / 2.0 CH / 30 W |
| Audio Brand | Onkyo |
Sound Formats & Enhancement
4
| Specification | Value |
|---|---|
| Dolby Atmos | Yes |
| Dolby Digital | Yes |
| DTS Virtual:X | Yes |
| Bluetooth Audio | Yes |
Camera & Video Calling
1
| Specification | Value |
|---|---|
| Built-In Camera | No |
Connected Home & IoT
1
| Specification | Value |
|---|---|
| Apple HomeKit | Yes |
Panel-Only Size & Mass
5
| Specification | Value |
|---|---|
| Dimensions Without Stand | 1666.2 mm x 960.1 mm x 71.1 mm (W x H x D) |
| Width Without Stand | 1666.2 mm |
| Height Without Stand | 960.1 mm |
| Depth Without Stand | 71.1 mm |
| Weight Without Stand | 22.9 kg / 50.49 lbs |
Assembled TV Size & Mass
5
| Specification | Value |
|---|---|
| Dimensions With Stand | 1666.2 mm x 1023.6 mm x 373.4 mm (W x H x D) |
| Width With Stand | 1666.2 mm |
| Height With Stand | 1023.6 mm |
| Depth With Stand | 373.4 mm |
| Weight With Stand | 23.2 kg / 51.15 lbs |
Shipping Carton Measurements
5
| Specification | Value |
|---|---|
| Box Dimensions | 1849.1 mm x 1125.2 mm x 190.5 mm (W x H x D) |
| Box Width | 1849.1 mm |
| Box Height | 1125.2 mm |
| Box Depth | 190.5 mm |
| Box Weight | 32.5 kg / 71.65 lbs |
Exterior Styling & Stand Footprint
2
| Specification | Value |
|---|---|
| Stand Width | 1315.7 mm / 131.57 cm / 51.7992 in / 4.3166 ft |
| Chassis Color | Black |
Wall Mounting & Installation
10
| Specification | Value | What It Means |
|---|---|---|
| VESA Mount | Yes | 400 x 400 mm is the wall-bracket hole pattern. |
| VESA Interface | 400 x 400 mm | |
| VESA Size | 400 x 400 mm | |
| Removable Stand | No | |
| Stand Type | Stand with sticks / Adjustable stand width | |
| Stand Name | Stand with sticks / Adjustable stand width | |
| Height Adjustment | Yes | |
| Swivel Adjustment | No | |
| Tilt Adjustment | No | |
| Portrait Mode | No |
Electrical Load & Efficiency
6
| Specification | Value |
|---|---|
| Power Input | 100 V - 120 V / 220 V - 240 V |
| 110V Input Range | 100 V - 120 V |
| 220V Input Range | 220 V - 240 V |
| AC Frequency | 50 Hz - 60 Hz |
| Standby Consumption | 0.5 W |
| Annual Energy Consumption | 437 kWh |
Environmental Operating Limits
4
| Specification | Value |
|---|---|
| Operating Temperature | 5 °C - 35 °C / 41 °F - 95 °F |
| Operating Humidity | 20 % - 80 % |
| Storage Temperature | -15 °C - 45 °C / 5 °F - 113 °F |
| Storage Humidity | 10 % - 90 % |
Gaming Validation & Compatibility
2
| Specification | Value |
|---|---|
| Game Bar | Yes |
| ALLM | Yes |
Regulatory & Industry Approvals
1
| Specification | Value |
|---|---|
| RoHS | Yes |
Privacy, Security & Parental Control
1
| Specification | Value |
|---|---|
| Parental Controls | Yes |
In-the-Box Components
10
| Specification | Value | What It Means |
|---|---|---|
| Remote Control | Backlit voice remote control | |
| Remote Type | Backlit voice remote control | |
| Remote Voice Control | Yes | |
| Screen Size | 74.5 in | 74.5 in is the diagonal class. |
| Dimensions | 1666.2 mm x 1023.6 mm x 373.4 mm (W x H x D) | |
| Weight | 23.2 kg / 51.15 lbs | |
| Brightness | 355 cd/m² | |
| Response Time | 4.8 ms / 0.0048 s | |
| Input Lag | 10.5 ms / 0.0105 s | |
| Refresh Rate | 50 Hz / 60 Hz | 50 Hz / 60 Hz defines motion/high-frame-rate capability. |
Frequently Asked Questions
01 What display does the TCL 75S551G use? +
It uses a 74.5 in VA panel with Direct LED and 3840 x 2160 (4K) resolution.
02 How bright is the TCL 75S551G? +
Peak brightness is listed at 355 cd/m².
03 Is the TCL 75S551G good for gaming? +
The source lists 50 Hz / 60 Hz, ALLM.
04 Which HDR formats are supported? +
HDR10 / HDR10+ / Dolby Vision / HLG (Hybrid Log Gamma)
05 What should I check before wall mounting it? +
Confirm the 400 x 400 mm VESA pattern and 23.2 kg / 51.15 lbs weight before installation.
Reviews
DISPLAYINPUT · INDEPENDENT · SPEC-BASED · NO SPONSORED PLACEMENT
SHEET № 75S551G