TCL S5-Series 75S551G 74.5"
The TCL AIPQ Processor with deep learning AI and a High Brightness LED backlight produces crisp 4K visuals with Dolby Vision, while Motion Rate 240 with MEMC frame insertion keeps fast motion smooth. A nearly frameless metal bezel-less design and Game Accelerator 120 with 120Hz VRR and Auto Game Mode add both a premium look and responsive, low-lag gameplay. This 75-inch TV best suits streaming-focused households and smart home users who want a bright, cinematic Google TV experience with Dolby Atmos for main living spaces.
Snapshot
Pros & Cons
Pros
- Strong hdr (95th percentile) 95th
- Strong smart (93th percentile) 93th
- Strong social proof (88th percentile) 88th
- Strong audio (73th percentile) 73th
Cons
- Below average display (31th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews — so you can see whether early praise held up.
Based on 200 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Display
| Size | 74.5" |
| Resolution | 4K |
| Panel Type | LED |
| Backlight | Direct LED |
| Curved | No |
Picture Quality
| Motion Tech | Motion Rate 240 |
| Processor | TCL AIPQ Processor |
HDR
| HDR Formats | HDR10, HDR10+, HLG, Dolby Vision |
| Dolby Vision | Yes |
| HDR10+ | Yes |
| HLG | Yes |
Gaming
| Refresh Rate | 60 Hz |
| VRR | VRR |
| ALLM | Yes |
| Game Mode | Yes |
Smart TV
| Platform | Google TV |
| Voice Assistant | Google Assistant, Amazon Alexa |
| Screen Mirroring | Apple AirPlay 2 |
Audio
| Speaker Config | 2 |
| Wattage | 15 |
| Dolby Atmos | Yes |
| Surround Sound | Dolby Atmos, Dolby Digital Plus, Dolby Digital |
| eARC | Yes |
Connectivity
| HDMI Ports | 3 |
| HDMI Version | 2.1 |
| USB Ports | 1 |
| Wi-Fi | Wi-Fi 5 |
| Bluetooth | 5.2 |
| Ethernet | Yes |
| Optical Audio | Yes |
| VESA Mount | 400x400 |
Power & Size
| Power | 437 |
| Energy Star | No |
| Annual Energy | 437 |
| Weight | 22.9 kg / 50.5 lbs |
vs Competition
| Spec | TCL S5-Series 75S551G 74.5" | Sony BRAVIA 5 K55XR50 | Samsung QN85D QN85D | Hisense U7 Series 75U75QG | LG C5 OLED55C5PUA | Roku Plus Series 75R6C7 |
|---|---|---|---|---|---|---|
| Screen Size | 74.5 | 55 | 75 | 75 | 55 | 74.5 |
| Resolution | 4K | 3840x2160 | 3840x2160 | 4K | 3840x2160 | 3840x2160 |
| Panel Type | LED | MiniLED | Neo QLED | MiniLED | OLED | QLED |
| Refresh Rate | 60 | 120 | 120 | 165 | 120 | 60 |
| Hdr | HDR10, HDR10+, HLG, Dolby Vision | Dolby Vision, HDR10, HLG | HDR10, HDR10+, HLG | Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10+, Hybrid Log-Gamma (HLG) |
| Smart Platform | Google TV | Google TV | Tizen | Google TV | webOS | Roku TV |
| Dolby Vision | true | true | false | true | true | true |
| Dolby Atmos | true | true | true | true | true | true |
| Hdmi Version | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Hdr | Audio | Smart | Gaming | Display | Connectivity | Social Proof | Picture Quality |
|---|---|---|---|---|---|---|---|---|
| TCL S5-Series 75S551G 74.5" | 95.4 | 73.2 | 93.4 | 56.4 | 31.3 | 71.1 | 88.3 | 35.7 |
| Sony BRAVIA 5 K55XR50 Compare | 96.9 | 91.7 | 90.2 | 78.7 | 68.3 | 93 | 94.7 | 93.5 |
| Samsung QN85D QN85D Compare | 84.6 | 88.9 | 93.4 | 78.7 | 91.6 | 89.1 | 88.3 | 78.8 |
| Hisense U7 Series 75U75QG Compare | 91.2 | 93.4 | 95.8 | 95.1 | 36.8 | 96.7 | 94.7 | 98.5 |
| LG C5 OLED55C5PUA Compare | 75.9 | 84.7 | 90.2 | 99.1 | 90.1 | 98.7 | 98.5 | 35.7 |
| Roku Plus Series 75R6C7 Compare | 75.9 | 81.5 | 99.8 | 56.4 | 85.9 | 89.1 | 99.6 | 35.7 |
Price
Value & Pricing
Best Buy 1 offers From $325
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
