| Model No |
43UT7550AUA |
43S451-CA |
| TV Type |
Smart TV |
Smart TV |
| Screen Size |
43 Inch (109.22 cm) |
43 Inch (109.22 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 |
: 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 |
|
| USB Version |
: 2.0 |
| Supported Audio Formats |
: AAC, MP3, FLAC |
| Supported Video Formats |
: MPEG4 Xvid, H.264, H.265, VC1, VP9 |
| Supported Picture Formats |
: JPEG, PNG, BMP |
|
| Video |
| BackLight |
: 4K UHD Direct LED |
| HLG |
: Yes |
| HDR10 |
: Yes |
| Filmmaker Mode |
: Yes |
| Dynamic Tone Mapping |
: Yes |
| Upscaling |
: 4K Upscaling |
| Picture Processor |
: α5 AI Processor 4K Gen7 |
|
| Backlight |
: 4K UHD HDR LED TV |
| HDR10 |
: Yes |
| HLG |
: Yes |
| Resolution |
: UHD |
| Display Colors |
: 1.07 Billion |
|
| Audio |
| Audio Output ( RMS ) |
: 20 W |
| LG Sound Sync |
: Yes |
| Sound Mode Share |
: Yes |
| Bluetooth Surround Ready |
: Yes |
| Speaker Direction |
: Down Firing |
| Speaker System |
: 2.0 Channel |
| Clear Voice Pro |
: Yes ( Auto Volume Leveling ) |
| AI Sound |
: AI Sound ( Virtual 5.1 Up-Mix ) |
| Audio Codec |
: AC4, AC3 ( Dolby Digital ), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X ( Refer To Manual ) |
|
| Audio Output ( RMS ) |
: 10 W + 10 W |
| Premium Audio |
: Dolby Digital Plus |
|
| Connectivity Options |
| HDMI ( 2.0 ) |
: 3ea ( Supports eARC, ALLM ) |
| USB ( 2.0 ) |
: 2ea |
| Ethernet / LAN |
: 1ea |
| RF Input ( Antenna, Cable ) |
: 1ea |
| Wi-Fi 5 |
: Yes |
| Bluetooth® 5.1 |
: Yes |
| HDMI-CEC ( Simplink ) |
: Yes |
| HDMI Audio Return Channel |
: eARC ( HDMI 2 ) |
|
| HDMI 2.0 |
: 4 ( 1 eARC ) |
| USB 2.0 |
: 1 |
| Bluetooth® |
: Yes |
| Headphone Jack |
: 1 Yes |
| RF Antenna Input |
: 1 Yes |
| Composite Audio / Video Input |
: 1 Yes |
| Digital Optical Audio Output |
: 1 Yes |
| Fast WiFi |
: 802.11ac 2X2 Dual Band ( Support 2.4GHz & 5GHz ) |
|
| Smart TV Features |
| Operating System |
: WebOS 24 Smart TV |
| Matter |
: Yes |
| App Store |
: Yes |
| Home Hub |
: Yes |
| Sports Alert |
: Yes |
| Home Office |
: Yes |
| AI Concierge |
: Yes |
| LG Channels |
: Yes |
| Music Service |
: Yes |
| Family Settings |
: Yes |
| Full Web Browser |
: Yes |
| Who. Where. What? |
: Yes |
| Google Cast Built-In |
: Yes |
| Amazon Alexa Built-In |
: Yes |
| USB Camera Compatible |
: Yes |
| Works with Hey Google |
: Yes |
| Works with Apple Home |
: Yes |
| Smartphone Remote App |
: Yes |
| ThinQ® Smart Technology |
: Yes |
| Works With Apple Airplay2 |
: Yes |
| Works With Amazon Alexa |
: Yes |
| Intelligent Voice Recognition |
: Yes |
| Room To Room Share |
: Yes ( Receiver ) |
| Magic Remote Control |
: Ready ( Requires Magic Remote ) |
| Content Partners |
: Netflix, Max, Disney+, YouTube, Prime Video, ESPN, Apple TV, Sling TV & More............... |
|
| Operating System |
: Roku TV |
| Chromecast Built-In |
: Yes |
| Works With Alexa |
: Yes |
| Quick And Easy Search |
: Yes |
| Works With Hey Google |
: Yes |
| Works With Apple Homekit |
: Yes |
| Easy Voice Control |
: Works With Siri, Alexa, And Hey Google |
|
| Other Features |
| Design |
: Sleek & Modern Design |
| IP Control |
: Yes |
| Country Of Origin |
: Mexico |
| Limited Warranty |
: 3 Year Parts & Labor |
| TV Tuner |
: ATSC1.0 ( Terrestrial ), QAM ( Cable ) |
|
| Sleep Timer |
: Yes |
| Closed Caption |
: Yes |
| 1 Year Limited Warranty |
: Yes |
| Parental Control ( V-Chip ) |
: Yes |
| Accessible Menu System ( CVAA ) |
: Yes |
| Live TV Pause From Antenna ( Up To 30 Minutes ) |
: Yes |
| Control Buttons |
: One Button |
| Multilingual On-Screen-Display |
: English, Spanish, French |
| Tuner Type |
: ATSC / NTSC / Clear QAM |
|
| General Details |
| Power Supply |
: AC 120V, 50 / 60Hz |
| Power Consumption |
: 77 W |
| Annual Power Consumption |
: 143 kWh/Y |
| Power Consumption Standby |
: Under 0.5 W |
| TV Weight Without Stand |
: 8.8 Kg |
| TV Weight With Stand |
: 8.9 Kg |
| Packaging Weight |
: 10.6 Kg |
| VESA Mounting |
: 200 mm X 200 mm |
|
| Power Supply (Voltage, Hz) |
: AC 100V-240V 50/60Hz |
| Annual Power Consumption |
: 83 kWh/Y |
| Power Consumption Standby |
: <0.5 W |
| Weight Without Stand |
: 6.21 Kg |
| Weight With Stand |
: 6.30 Kg |
| Packaging Weight |
: 8.48 Kg |
| VESA Walll Mount Pattern |
: 200 mm X 200 mm |
|
| Supplied Accessories |
| Remote Control |
: Yes |
| E-Manual |
: Yes |
| Power Cable |
: Yes |
| Quick Start Guide |
: Yes |
| Remote Control Batteries |
: Yes |
|
| Remote Control - 1N |
: RC280 |
| 2 AAA Batteries - 2N |
: Yes |
| User Manual - 1N |
: Yes |
| Warranty Info - 1N |
: Yes |
| Screw Size |
: M6 X 12 |
| Quick Start Guide |
: Yes English |
|
|
Compare LG 43UT7550AUA with:
|
Compare TCL 43S451-CA with:
|
|
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. 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. TCL 43S451-CA and LG 43UT7550AUA differ in resolution (UHD vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. Audio output differs between the two (10 W + 10 W vs 20 W), which can influence overall sound clarity and loudness. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. If you're comparing TCL 43S451-CA and LG 43UT7550AUA, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Verdict: Both TVs are strong contenders, and your final choice should depend on your preference for screen size, motion performance, and smart features. Top Differences- Resolution: UHD Vs 4K 3840 x 2160
|
|