| Model No |
55NANO80AQA |
55S421-CA |
| 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 |
120 Hz |
| Viewing Angle |
178°/178° |
178°/178° |
| USB |
| 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 |
|
| USB Version |
: 2.0 |
| 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 |
|
| Video |
| BackLight |
: 4K UHD Edge LED |
| HDR10 |
: Yes |
| HLG |
: Yes |
| Next Picks |
: Yes |
| Active HDR |
: Yes |
| Nano Color |
: Yes |
| Magic Explorer |
: Yes |
| Filmmaker Mode |
: Yes |
| Billion Rich Colors |
: Yes* |
| Dynamic Tone Mapping |
: Yes |
| Upscaling |
: 4K Upscaling |
| Backlight Dimming Technology |
: Local Dimming |
| Display Type |
: NanoCell Display |
| Picture Processor |
: α5 Gen 5 AI Processor 4K |
|
| Backlight |
: 4K UHD HDR LED |
| HDR10 |
: Yes |
| Resolution |
: UHD |
| Clear Motion Index |
: 120Hz CMI |
| Display Colors |
: 1.07 Billion |
| Picture Engine |
: 4K Creative Pro Upscaling Engine |
|
| Audio |
| Audio Output ( RMS ) |
: 20 W |
| AI Sound Pro |
: Yes |
| LG Sound Sync |
: Yes |
| TV Sound Mode Share |
: Yes |
| Bluetooth Surround Ready |
: Yes |
| Speaker Direction |
: Down Firing |
| Speaker System |
: 2.0 Channel |
| Audio Codec |
: AC4, AC3 ( Dolby Digital ), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X ( Refer To Manual ) |
|
| Audio Output ( RMS ) |
: 2 Channel X 8 W |
| Dolby Processing |
: Dolby Digital |
| Audio Passthrough |
: Dolby Digital Plus |
|
| Connectivity Options |
| HDMI |
: 4 ( Side ) |
| USB ( 2.0 ) |
: 3 ( 2 Rear, 1 Side ) |
| Ethernet / LAN |
: 1 Side |
| Digital Audio Output ( Optical ) |
: 1 Side |
| RF Connection Input ( Antenna / Cable ) |
: 1 Side |
| IP Control |
: Yes |
| Bluetooth® 5.0 |
: Yes |
| HDMI-CEC ( Simplink ) |
: Yes |
| Smart Phone Connectivity |
: Yes |
| HDMI Audio Return Channel |
: eARC ( HDMI 2 ) |
| TV Tuner |
: ATSC, Clear QAM |
| Wi-Fi® Standard |
: Wi-Fi Certified 802.11ac |
|
| HDMI 2.0 |
: 3, w/HDCP 2.2 ( 1 ARC ) |
| USB 2.0 |
: 1 |
| Ethernet / LAN |
: 1 Yes |
| RF Input ( NTSC, ATSC ) |
: 1 Yes |
| Audio Output Headphone |
: 1 Yes |
| SPDIF Digital Audio Optical |
: 1 Yes |
| AV Input |
: Composite Video + L&R Audio In |
| Wireless Connection |
: 802.11ac 2X2 Dual Band ( support 2.4GHz & 5GHz ) |
|
| Smart TV Features |
| Operating System |
: webOS |
| Sports Alert |
: Yes |
| LG Channels |
: Yes |
| LG ThinQ® AI |
: Yes |
| Full Web Browser |
: Yes |
| Home Dashboard |
: Yes |
| Who. Where. What? |
: Yes |
| Intelligent Voice Recognition |
: Yes |
| LG Content Store ( App Store ) |
: Yes |
| Universal Remote Control |
: Yes ( Auto Device Detection ) |
| Magic Remote Control |
: Yes ( Point, Click, Scroll, Voice ) |
| Google Home Compatible |
: Yes ( Google Home Device Sold Separately ) |
| Amazon Alexa Compatible |
: Yes ( Amazon Alexa Device Sold Separately ) |
| Voice Assistants |
: Google Assistant Built-in ( No Separate Device Purchase Necessary ) |
| Content Partners |
: Netflix, Prime Video, Disney+, Apple TV, Hulu, CBS All Access, Peacock, Youtube TV, Spotify, iHeartRadio And More |
|
| Operating System |
: Roku TV |
| CPU |
: Dual-core |
| GPU |
: Dual-core |
| Powerful Mobile App |
: Yes |
| Advanced PQ Setting With Mobile App |
: Yes |
|
| Other Features |
| HGiG |
: Yes |
| Game Optimizer |
: Yes |
| Auto Low Latency Mode ( ALLM ) |
: Yes |
| Limited Warranty |
: 1 Year Parts & Labor |
| Cloud Gaming |
: NVIDIA GEFORCE NOW |
|
| Closed Caption |
: Yes |
| 1 Year Limited Warranty |
: Yes |
| Parental Control ( V-Chip ) |
: Yes |
| Accessible Menu System ( CVAA ) |
: Yes |
| Control Buttons |
: Power/Power/Menu, <,> |
| Multilingual On-Screen-Display |
: English, Spanish, French |
| Signal Format Capability |
: ATSC / NTSC / Clear QAM |
|
| General Details |
| Power Supply |
: AC 120V, 50/60Hz |
| Power Consumption |
: 74.5 W |
| Annual Power Consumption ( kWh ) |
: 139 kWh/Y |
| Power Consumption Standby |
: Under 0.5 W |
| TV Weight Without Stand |
: 16.28 Kg |
| TV Weight With Stand |
: 16.69 Kg |
| Packaging Weight |
: 22.99 Kg |
| VESA Mounting |
: 300 mm X 300 mm |
|
| Power Supply (Voltage, Hz) |
: AC 100V-240V 50/60Hz |
| Annual Power Consumption |
: 150 kWh/Y |
| Power Consumption Standby |
: <0.5 W |
| Weight Without Stand |
: 12.11 Kg |
| Weight With Stand |
: 12.29 Kg |
| Packaging Weight |
: 17.78 Kg |
| VESA Walll Mount Pattern |
: 200 mm X 200 mm |
|
| Supplied Accessories |
| Remote Control |
: Magic Remote Control |
| AA Batteries |
: Yes |
| Power Cable |
: Yes |
| E-Manual |
: Yes |
| Quick Start Guide |
: Yes |
|
| Remote Control |
: Roku TV RC280 |
| 2 AAA Batteries |
: Yes |
| Screw Size |
: M6 X 12 |
| Quick Start Guide |
: Yes English |
|
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Compare LG 55NANO80AQA with:
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Compare TCL 55S421-CA with:
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Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. TCL 55S421-CA and LG 55NANO80AQA offer different motion rates (120 Hz vs 60 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. Audio output differs between the two (2 Channel X 8 W vs 20 W), which can influence overall sound clarity and loudness. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. TCL 55S421-CA and LG 55NANO80AQA differ in resolution (UHD vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. If you're comparing TCL 55S421-CA and LG 55NANO80AQA, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Both TVs come with smart platforms that support popular streaming apps and voice control features. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Verdict: Both models offer good value, and the better option depends on your specific requirements and viewing preferences. Top Differences- Resolution: UHD Vs 4K 3840 x 2160
- Refresh Rate: 120 Hz Vs 60 Hz
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