| Model No |
50S421-CA |
50UN6955ZUF |
| TV Type |
Smart TV |
Smart TV |
| Screen Size |
50 Inch (126 cm) |
50 Inch (126 cm) |
| Resolution |
4K 3840 x 2160 |
4K 3840 x 2160 |
| Aspect Ratio |
16:9 |
16:9 |
| Motion Rate |
120 Hz |
120 Hz |
| Viewing Angle |
178°/178° |
178°/178° |
| USB |
| 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 |
|
| 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 UHD HDR LED |
| HDR10 |
: Yes |
| Resolution |
: UHD |
| Clear Motion Index |
: 120Hz CMI |
| Display Colors |
: 1.07 Billion |
| Picture Engine |
: 4K Creative Pro Upscaling Engine |
|
| BackLight |
: 4K UHD Direct LED |
| HDR10 |
: Yes |
| HLG |
: Yes |
| Active HDR |
: Yes |
| Filmmaker Mode |
: Yes |
| True Color Accuracy |
: Yes |
| Upscaling |
: 4K Upscaling |
| Display Type |
: Real 4K Display |
| Picture Processor |
: Quad Core Processor 4K |
|
| Audio |
| Audio Output ( RMS ) |
: 2 Channel X 8 W |
| Dolby Processing |
: Dolby Digital |
| Audio Passthrough |
: Dolby Digital Plus |
|
| Audio Output ( RMS ) |
: 20 W |
| AI Sound |
: 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 ) |
|
| Connectivity Options |
| 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 ) |
|
| HDMI |
: 3 ( 1 Rear, 2 Side ) |
| USB ( 2.0 ) |
: 2 ( 1 Rear, 1 Side ) |
| AV Input |
: 1 Rear |
| Ethernet / LAN |
: 1 Rear |
| Digital Audio Output ( Optical ) |
: 1 Rear |
| RF Connection Input ( Antenna / Cable ) |
: 1 Rear |
| IP Control |
: Yes |
| HDMI-CEC ( Simplink ) |
: Yes |
| Smart Phone Connectivity |
: Yes |
| HDMI Audio Return Channel |
: ARC ( HDMI 2 ) |
| TV Tuner |
: ATSC, Clear QAM |
| Wi-Fi® Standard |
: Wi-Fi Certified 802.11ac |
|
| Smart TV Features |
| Operating System |
: Roku TV |
| CPU |
: Dual-core |
| GPU |
: Dual-core |
| Powerful Mobile App |
: Yes |
| Advanced PQ Setting With Mobile App |
: Yes |
|
| Operating System |
: webOS |
| Sports Alert |
: Yes |
| LG Channels |
: Yes |
| Home Dashboard |
: Yes |
| Full Web Browser |
: Yes |
| Who. Where. What? |
: Yes |
| LG Content Store ( App Store ) |
: Yes |
| Apple |
: Apple Airplay 2, Apple Homekit |
| Google Home Compatible |
: Yes ( Google Home Device Sold Separately ) |
| Content Partners |
: Netflix, Disney+, Apple TV, Hulu, Paramount+, Peacock, Youtube TV, Spotify, iHeartRadio And More |
|
| Other Features |
| 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 |
|
| HGiG |
: Yes |
| Auto Low Latency Mode ( ALLM ) |
: Yes |
| Limited Warranty |
: Please See Support Tab For Full Details On The Limited Warranty |
|
| General Details |
| Power Supply (Voltage, Hz) |
: AC 100V-240V 50/60Hz |
| Annual Power Consumption |
: 125 kWh/Y |
| Power Consumption Standby |
: <0.5 W |
| Weight Without Stand |
: 10.47 Kg |
| Weight With Stand |
: 10.70 Kg |
| Packaging Weight |
: 15.19 Kg |
| VESA Walll Mount Pattern |
: 200 mm X 200 mm |
|
| Power Supply |
: AC 100~240V 50-60Hz |
| Power Consumption |
: 76.6 W |
| Annual Power Consumption ( kWh ) |
: 143 kWh/Y |
| Power Consumption Standby |
: Under 0.5 W |
| TV Weight Without Stand |
: 11.29 Kg |
| TV Weight With Stand |
: 11.38 Kg |
| Packaging Weight |
: 15.01 Kg |
| VESA Mounting |
: 200 mm X 200 mm |
|
| Supplied Accessories |
| Remote Control |
: Roku TV RC280 |
| 2 AAA Batteries |
: Yes |
| Screw Size |
: M6 X 12 |
| Quick Start Guide |
: Yes English |
|
| Standard Remote Control |
: Yes |
| AAA Batteries |
: Yes |
| Power Cable |
: Yes |
| E-Manual |
: Yes |
| Quick Start Guide |
: Yes |
| Wall Mount |
: LSW240B ( Optional, Sold Separately ) |
|
|
Compare TCL 50S421-CA with:
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Compare LG 50UN6955ZUF with:
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Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. TCL 50S421-CA and LG 50UN6955ZUF are two competitive smart TVs offering a mix of display performance, smart features, and overall value for different types of users. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. TCL 50S421-CA and LG 50UN6955ZUF differ in resolution (UHD vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. Both TVs come with smart platforms that support popular streaming apps and voice control features. Audio output differs between the two (2 Channel X 8 W vs 20 W), which can influence overall sound clarity and loudness. 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
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