74.5″ TCL 75A400U – Full Specifications
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Score & Ratings
8.4/10
Great
The tcl 75A400U earns a strong overall score of 8.4/10. Our editors evaluate each TV across display quality, colour accuracy, motion performance, and connectivity.
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Basic Information
4
| Specification | Value | 💡 What It Means |
|---|---|---|
| Brand | TCL | |
| Model | 75A400U | |
| Series | A400U | |
| Model Year | 2026 |
✓ Good 2026 — current generation. Latest panel technology and features.
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Display Overview
8
| Specification | Value | 💡 What It Means |
|---|---|---|
| Size Class | 74.5 in (inches) |
✓ Good 74" — living-room TV scale. Ideal for sofa viewing at 2–3.5m.
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| Resolution | 3840 x 2160 pixelsUltra HD (UHD) / 4K / 2160p |
✓ Good 4K UHD (3840×2160) — four times 1080p. Pin-sharp text, exceptional photo and video detail at any screen size.
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| Aspect Ratio | 16:9 |
Standard 16:9 — universal for all streaming, gaming, and productivity content worldwide.
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| Panel Type | HVA |
✓ Good VA — higher native contrast than IPS. Dark scenes look genuinely black; ideal for movies in dim rooms.
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| Panel Bit Depth | 10 bits |
✓ Good 10-bit — 1.07 billion colours. Eliminates colour banding in HDR skies, skin tones and gradients.
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| Colors | 1.07 billion colors / 30-bit | |
| Backlight | Mini LED |
✓ Good Mini-LED — thousands of local dimming zones. High brightness combined with deep blacks for true HDR.
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| Viewing Angle | 178 ° (degrees) / 178 ° (degrees) |
✓ Good 178 ° (degrees) / 178 ° (degrees) — consistent colour from virtually any position. Ideal for group viewing and shared screen use.
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Screen Dimensions
5
| Specification | Value | 💡 What It Means |
|---|---|---|
| Screen Width | 1650.24 mm (millimeters) |
Active display area in millimetres.
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| Screen Height | 928.26 mm (millimeters) |
Active display area in millimetres.
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| Screen-to-Body Ratio | 95.76 % (percent) |
✓ Good 95.76 % (percent) — near-borderless. Bezels virtually disappear; great for multi-monitor tiling.
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| Pixel Pitch | 0.43 mm (millimeters) |
⚠ Limited 0.43 mm (millimeters) pitch — coarse (TV-class). Best viewed from 1.5m or more.
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| Pixel Density | 59 ppi (pixels per inch) |
⚠ Limited 59 PPI — low pixel density. Best viewed from a distance; not for close-up work.
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Display Performance
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| Specification | Value | 💡 What It Means |
|---|---|---|
| Brightness (Typical) | 650 cd/m² |
✓ Good 650 cd/m² — strong HDR headroom. Noticeably impactful HDR on Netflix and games.
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| Contrast | 6000 : 1 |
✓ Good 6000 : 1 — outstanding native contrast. Dark scenes look cinematic; excellent for movie watching in dim rooms.
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| DCI-P3 Coverage | 93 % (percent) |
✓ Good 93% DCI-P3 — wide gamut. Colours are richer and more vibrant than standard monitors.
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| HDR Support | Dolby Vision IQDolby VisionHDR10+ GamingHDR10+HDR10HLG |
✓ Good Dolby Vision IQ — best HDR standard. Adapts tone-mapping to ambient room brightness automatically.
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Motion & Gaming
5
| Specification | Value | 💡 What It Means |
|---|---|---|
| Max Refresh Rate | 48 Hz - 144 Hz (hertz) |
✓ Good 144Hz — clear upgrade over 60Hz. Games feel noticeably more fluid in every genre.
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| Variable Refresh Rate (VRR) | Variable Refresh Rate (VRR) |
✓ Good Variable Refresh Rate — GPU and display sync together. Eliminates screen tearing and reduces stutter in games.
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| AMD FreeSync | AMD FreeSync Premium Pro |
✓ Good FreeSync Premium Pro — AMD's top tier: tear-free + Low Framerate Compensation + HDR support.
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| ALLM | Auto Low Latency Mode (ALLM) |
✓ Good Auto Low Latency Mode — TV switches to Game Mode automatically when a console is detected. No manual setting needed.
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| Motion Tech | AI MotionMasterMotion Estimation Motion Compensation (MEMC) |
AI MotionMasterMotion Estimation Motion Compensation (MEMC) — motion processing reduces judder in fast-moving content. Adjustable to taste.
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Smart TV & Processor
7
| Specification | Value | 💡 What It Means |
|---|---|---|
| Operating System | Google TV |
✓ Good Google TV — Play Store apps, Google Assistant, and Chromecast built in.
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| Processor | TSR AIPQ Processor |
TSR AIPQ Processor — dedicated display processor manages smart features, AI upscaling, and HDR tone-mapping.
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| SoC | MediaTek 9655+ |
MediaTek 9655+ — dedicated display processor manages smart features, AI upscaling, and HDR tone-mapping.
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| CPU | ARM Cortex-A73, 1800 MHz, Cores: 4 | |
| GPU | ARM Mali-G57 MC1 | |
| RAM | 4 GB | |
| Smart Features | AI 4K upscalingAI ArtAI Cinema (AI Depth / AI Image Quality / AI Sound Quality)AI ColorMasterAI ContrastMasterAI ClarityMasterAI Gaming with Game BarAI MotionMasterAI MusicAI OfficeAlexaAmbient ModeAMD FreeSync Premium ProApple AirPlay 2Art for LifeArt GalleryArt MemoryDigital ArtEnergy-saving ModeFar-Field Voice interactionFilmmaker modeGame Accelerator 288Game MasterGoogle CastGoogle GeminiIMAX EnhancedMotion Estimation Motion Compensation (MEMC)Multi View 2.0Quantum Dot ColorStar Ring Cooling SystemSuperwide Gameview |
✓ Good AI 4K upscaling
AI Art
AI Cinema (AI Depth / AI Image Quality / AI Sound Quality)
AI ColorMaster
AI ContrastMaster
AI ClarityMaster
AI Gaming with Game Bar
AI MotionMaster
AI Music
AI Office
Alexa
Ambient Mode
AMD FreeSync Premium Pro
Apple AirPlay 2
Art for Life
Art Gallery
Art Memory
Digital Art
Energy-saving Mode
Far-Field Voice interaction
Filmmaker mode
Game Accelerator 288
Game Master
Google Cast
Google Gemini
IMAX Enhanced
Motion Estimation Motion Compensation (MEMC)
Multi View 2.0
Quantum Dot Color
Star Ring Cooling System
Superwide Gameview — software features including OSD controls and display calibration tools.
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Audio System
3
| Specification | Value | 💡 What It Means |
|---|---|---|
| Speaker Setup | 2.0 CH |
△ Average 2.0 CH — standard stereo. Adequate for dialogue; a soundbar improves bass and scale.
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| Total Output | 20W |
△ Average 20W — decent for casual TV viewing. Upgrade for movie-quality audio.
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| Audio Features | Dolby AtmosDolby Digital+DST: XDST Virtual: XGolden Ear TuningONKYO 2.0 Hi-Fi SystemVertical AI Sound Field |
✓ Good Dolby Atmos (3D spatial audio on compatible content).
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Connectivity & Ports
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| Specification | Value | 💡 What It Means |
|---|---|---|
| Ports | 1× USB 3.0 (Type-A · downstream)1× Ethernet RJ452× HDMI 2.02× HDMI 2.11× Satellite In (F-type female)1× Optical Audio Out1× Antenna (RF)1× CI+ 1.4Auto Low Latency Mode (ALLM)Enhanced Audio Return Channel (eARC)HDMI CEC (T-Link)High-bandwidth Digital Content Protection (HDCP) 2.3High Frame Rate (HFR)Variable Refresh Rate (VRR) |
✓ Good HDMI 2.1 — supports 4K@144Hz or 8K@60Hz bandwidth. Ethernet port — wired network for stable 4K streaming.
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| Wireless | LAN / EthernetWi-Fi 5Wi-Fi DirectDLNABluetooth 5.4 |
✓ Good Wi-Fi 5 — reliable fast wireless connection. Bluetooth 5 (wireless headphones and keyboards).
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Network & Tuner
1
| Specification | Value | 💡 What It Means |
|---|---|---|
| TV Tuner | Analog (NTSC/PAL/SECAM)DVB-TDVB-T2DVB-CDVB-SDVB-S2 |
✓ Good Built-in tuner — receives DVB-T2 (UK/EU digital terrestrial), DVB-S2 (satellite), DVB-C (cable) without a separate receiver.
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Design, Build & Dimensions
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| Specification | Value | 💡 What It Means |
|---|---|---|
| Without Stand Width | 1668 mm (millimeters) |
Panel dimensions without stand attached. Use for wall-mount space planning.
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| Without Stand Height | 959 mm (millimeters) |
Panel dimensions without stand attached. Use for wall-mount space planning.
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| Without Stand Depth | 39.9 mm (millimeters) |
Panel dimensions without stand attached. Use for wall-mount space planning.
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| Without Stand Weight | 24.6 kg (kilograms) |
△ Average 24.6 kg (kilograms) — heavy; two people recommended for wall mounting.
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| With Stand Width | 1668 mm (millimeters) |
Overall footprint with stand. Use when planning desk or shelf placement.
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| With Stand Height | 995 mm (millimeters) |
Overall footprint with stand. Use when planning desk or shelf placement.
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| With Stand Depth | 370 mm (millimeters) |
Overall footprint with stand. Use when planning desk or shelf placement.
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| With Stand Weight | 26.2 kg (kilograms) |
△ Average 26.2 kg (kilograms) — heavy; two people recommended for wall mounting.
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| Color | Black |
Available colour finish for this unit.
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Mount & Ergonomics
3
| Specification | Value | 💡 What It Means |
|---|---|---|
| VESA Mount | 400 x 400 mm |
✓ Good Wall-mount compatible — use the listed VESA pattern with a TV-rated bracket sized for this screen and weight.
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| Wall Mount Support | Yes | |
| Adjustments | Removable stand: YesHeight adjustment: NoLandscape/portrait pivot: NoLeft/right swivel: NoForward/backward tilt: No |
✓ Good Full ergonomic adjustment: height, swivel, pivot (portrait mode). Set the display to your exact posture to reduce eye and neck strain.
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Power Consumption
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| Specification | Value | 💡 What It Means |
|---|---|---|
| Voltage | 220 V - 240 V (volts) |
Check power compatibility with your local supply before use.
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| Frequency | 50 Hz - 60 Hz (hertz) |
50/60Hz AC supply — compatible with worldwide power grids including US, UK, EU, and AU.
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| Standby | 0.5 W (watts) |
✓ Good 0.5 W (watts) standby — near-zero idle power. Excellent energy compliance.
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Gaming & AI Features
1
| Specification | Value | 💡 What It Means |
|---|---|---|
| Gaming & AI Features | AI Gaming with Game BarAMD FreeSync Premium ProGame Accelerator 288Game MasterSuperwide Gameview |
✓ Good AMD FreeSync (tear-free).
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Frequently Asked Questions
01 What type of panel does the tcl 75A400U use? ›
The tcl 75A400U uses a VA (HVA) panel. VA panels produce deeper blacks and higher native contrast than IPS — best for movie watching in dim rooms. Viewing angles are narrower than IPS but colour stays consistent straight-on.
02 Can the tcl 75A400U handle gaming? ›
✓ Yes — the 144Hz refresh rate makes fast-paced titles noticeably smoother than 60Hz. Fast camera pans and character movement stay sharp.
03 Does the tcl 75A400U support Dolby Vision? ›
✓ Yes. Dolby Vision adjusts brightness metadata scene-by-scene, so explosions look bright and dark space scenes look genuinely dark — all automatically. Netflix, Disney+, and Apple TV+ content benefit directly. This is a significant step up from basic HDR10.
04 Is the tcl 75A400U suitable for photo or video editing? ›
✓ Yes — 93% DCI-P3 coverage means the colours you grade in Lightroom or DaVinci Resolve stay consistent when exported to screen and print. Suitable for professional colour work without a dedicated calibration monitor.
05 Who is the tcl 75A400U best for? ›
It is best suited for gamers, content creators, movie fans. Check the "Who Should Buy" section above for a full profile breakdown.
06 Can the tcl 75A400U be used as a PC monitor? ›
Technically yes, but TVs are optimised for viewing distances of 2–4 metres. As a desk monitor the pixel density may feel lower than a dedicated PC monitor of similar size. Input lag in Game Mode is typically acceptable for console gaming but check the spec for PC gaming use.
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