| Model No |
55Q650G-CA |
55UA8450PSA |
| 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 |
: AAC, MP3, WMA, WAV ( PCM ), AIFF, FLAC, AC3 |
| Supported Video Formats |
: MKV (H.264), MP4, MOV ( H.264 ), TS ( H.264 ) |
| Supported Picture Formats |
: JPEG, PNG, GIF |
|
| USB Version |
: 2.0 |
| Supported Audio Formats |
: MP3, AC4, AC3, EAC3, AAC, MP2, PCM, WMA |
| Supported Video Formats |
: MKV, DivX, MP4, AVI, ASF, MOV, FLV |
| Supported Picture Formats |
: JPEG, PNG, BMP, WebP, JPS, MPO |
|
| Video |
| Backlight |
: 4K UHD QLED |
| HLG |
: Yes |
| MEMC |
: Yes |
| HDR 10 |
: Yes |
| HDR10+ |
: Yes |
| HDR PRO+ |
: Yes |
| Dolby Vision |
: Yes |
| Dynamic Contrast |
: Yes |
| Advanced 4K Upscaling |
: Yes |
| Ultra Wide Color Gamut |
: Yes |
| Quantum Dot Technology |
: Yes |
| Display Colors |
: 1.07 Billion |
| Motion Enhancement Technology |
: Motion Rate 240 |
| Description |
: Compelling Color & Choice |
|
| BackLight |
: 4K UHD Direct LED |
| HLG |
: Yes |
| HDR10 |
: Yes |
| Auto Calibration |
: Yes |
| Filmmaker Mode ™ |
: Yes |
| Dynamic Tone Mapping |
: Yes |
| Upscaling |
: 4K Super Upscaling |
| Picture Processor |
: α7 AI Processor 4K Gen8 |
| Picture Mode |
: 10 Modes ( Personalized Picture Wizard, Vivid, Standard, Eco, Cinema, Sports, Game, Filmmaker, ( ISF ) Expert ( Bright Room ), ( ISF )Expert ( Dark Room )) |
|
| Audio |
| Audio Output ( RMS ) |
: 10 W + 10 W |
| Dolby Atmos |
: Yes |
| DTS Virtual : X |
: Yes |
| Dolby Processing |
: Dolby Atmos, Dolby Digital + |
| Audio Passthrough |
: Dolby Atmos, Dolby Digital +, Dolby Digital, PCM |
|
| Audio Output ( RMS ) |
: 20 W |
| LG Sound Sync |
: Yes |
| WOW Orchestra |
: Yes |
| Sound Mode Share |
: Yes |
| AI Acoustic Tuning |
: Yes |
| Simultaneous Audio Output |
: Yes |
| Speaker Direction |
: Down Firing |
| Speaker System |
: 2.0 Channel |
| Bluetooth Surround Ready |
: Yes ( 2 Way Playback ) |
| Clear Voice Pro |
: Yes ( Auto Volume Leveling ) |
| AI Sound |
: α7 AI Sound Pro ( Virtual 9.1.2 Up-Mix ) |
| Audio Codec |
: AC4, AC3 ( Dolby Digital ), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X ( Refer To Manual ) |
|
| Connectivity Options |
| HDMI |
: 3 ( 1 eARC ) |
| USB 3.0 |
: 1 |
| Bluetooth 5.0 |
: Yes |
| Chromecast Built-in |
: Yes |
| Audio Output |
: 1 Yes |
| Ethernet / LAN |
: 1 Yes |
| RF Input ( NTSC, ATSC ) |
: 1 Yes |
| Audio Output Headphone |
: 1 Yes |
| SPDIF Digital Audio Optical |
: 1 Yes |
| Wi-Fi |
: Dual-Band 802.11ac |
| AV Input |
: Composite Video + L&R Audio In ( Mini 3.5 mm Connector ) |
|
| HDMI ( 2.0 ) |
: 3ea ( Supports eARC, ALLM ) |
| USB ( 2.0 ) |
: 1ea |
| Ethernet / LAN |
: 1ea |
| RF Input ( Antenna, Cable ) |
: 1ea |
| Optical Digital Audio Out ( SPDIF ) |
: 1ea |
| Wi-Fi 5 |
: Yes |
| Bluetooth® 5.0 |
: Yes |
| HDMI-CEC ( Simplink ) |
: Yes |
| HDMI Audio Return Channel |
: eARC ( HDMI 2 ) |
|
| Smart TV Features |
| Operating System |
: Google TV |
| Netflix |
: Yes |
| Pluto TV |
: Yes |
| Apple TV |
: Yes |
| YouTube |
: Yes |
| Prime Video |
: Yes |
| TCL Channel |
: Yes |
| Works With |
: Amazon Alexa, Google Assistant |
| Featured Streaming Services |
: Netflix, Prime Video, HBO Max, Peacock, Hulu, Disney+, YouTube, YouTube TV, Vudu, Google Play Movies & TV, Spotify |
|
| Operating System |
: WebOS 25 Smart TV |
| Voice ID |
: Yes |
| AI Chatbot |
: Yes |
| Home Hub |
: Yes |
| Google Cast |
: Yes |
| Full Web Browser |
: Yes |
| Google Home, Hub |
: Yes |
| Works With Apple Home |
: Yes |
| USB Camera Compatible |
: Yes |
| Works With Apple Airplay |
: Yes |
| Intelligent Voice Recognition |
: Yes |
| Magic Remote Control |
: Built-In |
| Smartphone Remote App |
: Yes ( LG ThinQ ) |
| Content Partners |
: Netflix, Max, Disney+, YouTube, Prime Video, ESPN, Apple TV, Sling TV & More............... |
|
| Other Features |
| Design |
: Full View Metal Bezel-less Design |
| Sleep Timer |
: Yes |
| AMD FreeSync |
: Yes |
| Closed Caption |
: Yes |
| JPEG / MP3 For USB |
: Yes |
| 120Hz VRR Gaming |
: Yes |
| Game Accelerator 120 |
: Yes |
| Auto Game Mode ( ALLM ) |
: Yes |
| Parental Control ( V -Chip ) |
: Yes |
| Accessible Menu System ( CVAA ) |
: Yes |
| Control Buttons |
: One Button |
| Tuner Type |
: ATSC, NTSC, Clear QAM |
| Multilingual On-Screen-Display |
: English, Spanish, French |
| Warranty |
: 1 Year Limited Warranty |
|
| Design |
: Sleek & Slim Design |
| Gray Scale |
: Yes |
| Invert Colors |
: Yes |
| High Contrast |
: Yes |
| Analog TV Reception |
: Yes |
| Digital TV Reception |
: DVB-T2/T ( Terrestrial ), DVB-C ( Cable ) |
|
| General Details |
| Power Supply ( Voltage, Hz ) |
: AC 100V-240V 50/60Hz |
| Annual Power Consumption |
: 230 kWh/Y |
| Power Consumption Standby |
: < 0.5 W |
| Weight Without Stand |
: 10.97 Kg |
| Weight With Stand |
: 11.11 Kg |
| Package Weight |
: 16.42 Kg |
| Screw Size |
: M6 X 12 mm |
| VESA Walll Mount Pattern |
: 300 mm X 300 mm |
|
| Power Supply |
: AC 100~240V 50-60Hz |
| Power Consumption |
: 110 W |
| Power Consumption Standby |
: Under 0.5 W |
| TV Weight Without Stand |
: 11.5 Kg |
| TV Weight With Stand |
: 11.6 Kg |
| Packaging Weight |
: 15.8 Kg |
| VESA Mounting |
: 300 mm X 200 mm |
|
| Supplied Accessories |
| Remote Control |
: Voice Remote Control |
| 2 AAA Batteries |
: Yes |
| Warranty Info English |
: Yes |
| Quick Start Guide English |
: Yes |
|
| Remote Control |
: Magic Remote MR25 |
| Power Cable |
: Yes ( Detachable ) |
|
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Compare TCL 55Q650G-CA with:
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Compare LG 55UA8450PSA with:
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Key Differences
Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Audio output differs between the two (10 W + 10 W vs 20 W), which can influence overall sound clarity and loudness. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. If you're comparing TCL 55Q650G-CA and LG 55UA8450PSA, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. Both TVs come with smart platforms that support popular streaming apps and voice control features. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Verdict: Both TVs are strong contenders, and your final choice should depend on your preference for screen size, motion performance, and smart features.
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