| Model No |
55C645K |
55UQ7550PSF |
| TV Type |
Smart TV |
Smart TV |
| Screen Size |
55 Inch (139 cm) |
55 Inch (139 cm) |
| Resolution |
4K 3840 x 2160 |
4K 3840 x 2160 |
| Aspect Ratio |
16:9 |
16:9 |
| Motion Rate |
60 Hz |
60 Hz |
| Viewing Angle |
178°/178° |
178°/178° |
| USB |
| USB Version |
: 3.0 |
| Supported Audio Formats |
: WMA, MP3 |
| Supported Video Formats |
: AVI, WMV, MP4 ( H.265.H.264, VP9, AV1,… ), MPG, TS, MKV, WebM, VP9 |
| Supported Picture Formats |
: HEIF, JPG, PNG, BMP, Text Subtitles |
|
| USB Version |
: 2.0 |
| Supported Audio Formats |
: AC4, AC3, EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X |
| Supported Video Formats |
: MKV, DivX, MP4, AVI, ASF, MOV, FLV |
| Supported Picture Formats |
: JPEG, JPS, MPO |
|
| Video |
| Backlight |
: 4K QLED |
| HLG |
: Yes |
| HDR10 |
: Yes |
| HDR10+ |
: Yes |
| Film Mode |
: Yes |
| 4K HDR Pro |
: Yes |
| Dolby Vision |
: Yes |
| Motion Clarity |
: Yes |
| Digital Noise Reduction |
: Yes |
| Picture Performance Index |
: 3100 |
| Dynamic Contrast |
: Mega |
| Wide Colour Technology |
: Quantum Dot |
| Picture processing |
: AiPQ 3.0 Engine |
| Color Management |
: 20P & 2P Calibration |
| Video Decoding |
: H.265 UHD, H.264, MPEG-2 |
| UHD Upscaling |
: UHD Machine Learning AI SR |
|
| BackLight |
: 4K UHD LED |
| HLG |
: Yes |
| HDR10 Pro |
: Yes |
| Filmmaker Mode |
: Yes |
| HDR Dynamic Tone Mapping |
: Yes |
| Display Type |
: 4K UHD |
| HDR |
: Active HDR |
| Resolution Upscaler |
: 4K Upscaler |
| Picture Processor |
: α5 Gen5 AI Processor 4K |
|
| Audio |
| Sound Power ( RMS ) |
: 10 W + 10 W |
| Auto Volume Control |
: Yes |
| Equaliser |
: Presets |
| Speakers |
: Full Range Down |
| Speaker Type |
: 2.0 Sound System |
| Dolby Audio |
: Dolby AC4, Dolby TrueHD |
| Processing |
: Dolby Atmos, DTS Virtual-X, Virtualization & Upmix |
|
| Audio Output ( RMS ) |
: 20 W |
| Clear Voice Pro |
: Yes |
| AI Acoustic Tuning |
: Yes |
| Auto Volume Leveling |
: Yes |
| TV Sound Mode Share |
: Yes |
| Bluetooth Surround Ready |
: Yes |
| Bluetooth Audio Playback |
: Yes |
| Speaker Direction |
: Down Firing |
| Speaker System |
: 2.0 Channel |
| AI Sound Pro |
: AI Sound ( Virtual 5.1 Up-Mix ) |
|
| Connectivity Options |
| HDMI 2.0 |
: 3 |
| USB 3.0 |
: 1 |
| CI Slot |
: Yes |
| DLNA 1.5 |
: Yes |
| Headphone |
: Yes |
| RF In ( F Sat ) |
: Yes |
| Bluetooth 5.0 |
: Yes |
| Ethernet / LAN |
: Yes |
| USB HID Support |
: Yes |
| HDMI Quick Switch |
: Yes |
| Chromecast & T-Cast |
: Yes |
| Digital Audio Out Optical |
: Yes |
| RF in ( IEC Terrestrial / Cable ) |
: Yes |
| HDCP 2.2 |
: 2,3 |
| HDMI eARC / ARC |
: eARC HDMI3 |
| YPbPr |
: CVBS Optional |
| Sat: Diseq / Unicable |
: Yes v.1.0 / ver. I |
| HDMI Max Resolution |
: 2160P / 60Hz 422 12Bit |
| WiFi |
: Built-in ac/n/g 2.4/5Ghz MIMO |
|
| HDMI ( 2.0 ) |
: 3 ( 1 Rear, 2 Side ) |
| USB ( 2.0 ) |
: 1 ( Side ) |
| RF Input |
: 1 Rear |
| Ethernet / LAN |
: 1 Rear |
| Digital Audio Output ( Optical ) |
: 1 Rear |
| Bluetooth 5.0 |
: Yes |
| Simplink ( HDMI CEC ) |
: Yes |
| HDMI Audio Return Channel |
: eARC ( HDMI 2 ) |
| Wi-Fi Built-in |
: Wi-Fi 5 ( 802.11ac ) |
|
| Smart TV Features |
| Operation System |
: Android R ( 11.0 ) |
| Smart TV |
: Android TV |
| CPU |
: Quad Core |
| ROM ( DRAM ) |
: 2 GB |
| Netflix |
: Yes |
| Disney+ |
: Yes |
| YouTube |
: Yes |
| HbbTV 2.0.2 |
: Yes |
| Google Meet |
: Yes |
| Freeview Play |
: Yes |
| Works With Alexa |
: Yes |
| Google Play Store |
: Yes |
| Amazon Prime Video |
: Yes |
| Google Assistant* Built In |
: Yes |
| Hands-Free Voice Control |
: Yes |
| 4K |
: Netflix, YouTube, Amazon Prime, AppleTV+ & More |
| Unlimited Content |
: Netflix , Disney+ , Amazon Prime, YouTube , HBO GO, Spotify, Twitch, Kodi, Plex, Google play movies, Hulu, Rakuten, Canal+ and so many others… |
|
| Operating System |
: LG webOS Smart TV |
| Sports Alert |
: Yes |
| LG AI ThinQ™ |
: Yes |
| AI Brightness |
: Yes |
| Amazon Alexa |
: Yes |
| Google Assistant |
: Yes |
| Full Web Browser |
: Yes |
| LG Content Store |
: Yes |
| Home Dashboard |
: Yes |
| Works With Apple Airplay |
: Yes |
| Amazon Echo Connection |
: Yes |
| Google Home Connection |
: Yes |
| Works With Apple Homekit |
: Yes |
| Intelligent Voice Recognition |
: Yes |
| My Profile ( Content Recommendation ) |
: Yes |
| Direct Keys ( Apps ) |
: Netflix, Prime Video, Disney+ Hotstar |
| AI Functions |
: AI Home, AI Recommendation, Intelligent Edit |
| Magic Remote Control |
: Yes ( Universal Control, Point, Click, Scroll, Voice ) |
|
| Other Features |
| Design |
: Bezel-Less Ultra Slim Design : Premium & Elegant Frameless Design |
| Main Color |
: Brushed Titanium Metal Front |
| Stand Type |
: Dual Stand Position |
| Stand Design |
: Y-Shape 2 Position |
| Teletext |
: Yes |
| Game Bar |
: Yes |
| Sleep Timer |
: Yes |
| Sports Mode |
: Yes |
| Aiming Aid |
: Yes |
| Game Master |
: Yes |
| AMD FreeSync |
: Yes |
| Analogue Tuner |
: Yes |
| Caption ( Subtitle ) |
: Yes |
| USB HID Support |
: Yes |
| Auto Channel Search |
: Yes |
| Game Accelerator 120 Hz |
: Yes |
| Auto Low Latency Mode ( ALLM ) |
: Yes |
| Smartphone / Tablet Remote Support |
: Yes |
| Multipicture |
: PAT |
| Game Mode |
: Auto |
| EPG ( DVB EIT / SI ) |
: Up To 8 Days |
| CI+ |
: Yes ( 1.4, ECP ) |
| DTV Tuner |
: DVB-T2 / C / S2 |
| Analogue Tuner Systems |
: PAL / SECAM / NTSC ( AV ) BG / DK / I / LL |
| OSD Languages |
: 59 Albanian, Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hungarian, Italian, Latvian, Lithuanian, Macedonian, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Swedish, Turkish, Ukrainian |
|
| Design |
: Slim Design |
| HGiG Mode |
: Yes |
| Game Genre |
: Yes |
| Game Optimizer |
: Yes |
| Game Dashboard |
: Yes |
| Auto Low Latency Mode ( ALLM ) |
: Yes |
| Country of Origin |
: India |
| Imported By |
: LG Electronics India (P) Ltd. |
|
| General Details |
| Power Supply ( Voltage, Hz ) |
: 220-240V~50Hz |
| Max Power Consumption |
: 190 W |
| On Mode Power Demand In SDR ( X1 ) |
: 84 W |
| Power Demand In HDR ( X1 ) |
: 155 W |
| Standby Mode Power Demand |
: 0.5 W |
| Weight Without Stand |
: 11.10 Kg |
| Weight With Stand |
: 11.30 Kg |
| Packaging Weight |
: 15.50 Kg |
| EEI Class SDR ( X1 ) |
: G |
| EEI Class HDR ( X1 ) |
: G |
| Auto Power Off |
: Yes |
| Lead Presence |
: Yes |
| Peak Luminance Ratio |
: 65 % |
| Vesa Size |
: 200 mm X 300 mm |
|
| Power Supply ( Voltage, Hz ) |
: AC 100~240V 50-60Hz |
| Power Consumption Standby |
: Under 0.5 W |
| TV Weight Without Stand |
: 14.3 Kg |
| TV Weight With Stand |
: 14.4 Kg |
| Packaging Weight |
: 19.4 Kg |
|
| Supplied Accessories |
| Remote Control |
: RC833F |
| Batteries |
: Yes |
| User Manual |
: Yes |
|
| Remote Control |
: Magic Remote Control |
| Batteries |
: Yes |
| E-Manual |
: Yes |
| User Manual |
: Yes |
| Warranty Card |
: Yes |
|
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Compare TCL 55C645K with:
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Compare LG 55UQ7550PSF with:
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Key Differences
Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. TCL 55C645K and LG 55UQ7550PSF are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. Both TVs come with smart platforms that support popular streaming apps and voice control features. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Verdict: Choosing between TCL 55C645K and LG 55UQ7550PSF depends on your usage, whether you prioritize display quality, smoother motion, or smart features.
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