| Model No |
55SM8100PVA |
55R646-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 |
50 Hz |
120 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, JPS, MPO |
|
| USB Version |
: 2.0 |
| Supported Audio Formats |
: MP3, AC3, AAC, AC4 |
| Supported Video Formats |
: AVI, DIV, MPEG-4, MPEG-H, MP4, VC-1, VP8, PP9 |
| Supported Picture Formats |
: JPEG, PNG ,BMP, HEIF |
|
| Video |
| Backlight |
: 4K UHD Edge LED |
| IPS Panel |
: Yes |
| Ultra Luminance |
: Yes |
| Biliion Rich Color |
: Yes |
| Nano Cell Display |
: Yes |
| Noise Reduction |
: NR |
| BLU Type |
: Edge |
| 2K HFR |
: Yes / Yes |
| Display Type |
: Super UHD |
| Upscaler |
: 4K Upscaler |
| HDR Effect |
: Yes ( 4K / 2K ) |
| HDR |
: 4K Active HDR |
| Video Decoder VP9 |
: 4K@60P, 10Bit |
| Video Decoder HEVC |
: 4K@60P, 10Bit |
| Dimming |
: Local Dimming |
| Wide Color Gamut |
: Nano Cell Color |
| Viewing Angle |
: Wide Viewing Angle |
| Color Accuracy |
: True Color Accuracy |
| Color Enhancer |
: Advanced Color Enhancer |
| HDR10 Pro |
: Yes / Yes / Yes / Yes ( 4K / 2K ) |
| HLG |
: Yes / Yes / Yes / Yes ( 4K / 2K ) |
| Dynamic Tone Mapping |
: HDR Dynamic Tone Mapping |
| Picture Mode |
: Yes 9 Modes ( Vivid, Standard, Eco, Cinema, Sports, Game, HDR Effect, ( ISF ) Expert ( Bright Room ), ( ISF ) Expert ( Dark Room )) |
|
| Backlight |
: 4K HDR Mini-LED QLED TV |
| HDR10+ |
: Yes |
| HDR10 |
: Yes |
| HLG |
: Yes |
| Dolby Vision |
: Yes |
| Natural Motion |
: 480 |
| Resolution |
: UHD |
| Display Colors |
: 1.07 Billion |
| Picture Engine |
: AiPQ Engine |
|
| Audio |
| Audio Output ( RMS ) |
: 20 W ( 10 W Per Channel ) |
| DTS Decoder |
: Yes |
| Clear Voice III |
: Yes |
| DTS Virtual : X |
: Yes |
| LG Sound Sync |
: Yes |
| Adaptive Sound Control |
: Yes |
| Bluetooth Audio Playback |
: Yes |
| One Touch Sound Tuning |
: Yes |
| Auto Notification ( Bluetooth Easy Paring ) |
: Yes |
| Speaker System |
: 2.0 Channel |
| Speaker Direction |
: Down Firing |
| Surround Mode |
: DTS Virtual : X |
| Simultaneous Audio Output |
: Yes ( Optical Output Or HP Support Model ) |
| Audio Codec |
: AC4, AC3 ( Dolby Digital ), EAC3, HE-AAC, AAC, MP2, MP3, PCM, DTS, DTS-HD, DTS Express, WMA, apt-X ( Refer To Manual ) |
|
| Audio Output ( RMS ) |
: 15 W + 15 W |
| Dolby Processing |
: Dolby Atmos |
| Audio Passthrough |
: Dolby Atmos / Dolby Digital Plus / Dolby Digital |
|
| Connectivity Options |
| HDMI 2.0 |
: 4 ( 2 Side, 2 Rear ) |
| USB 2.0 |
: 2 ( 1 Side, 1 Rear ) |
| Bluetooth 5.0 |
: Yes |
| Simplink ( HDMI CEC ) |
: Yes |
| Ethernet / LAN |
: Yes Rear |
| Optical Digital Audio Out ( SPDIF ) |
: Yes Rear |
| Wi-Fi |
: 802.11ac |
| Audio Return Channel ( eARC / ARC ) |
: ARC HDMI 2 |
| RF In |
: 2 ( Rear, RF / Sat ) |
| Component |
: Yes ( Rear, Component in / AV in common ) |
| Composite In ( AV ) |
: Yes ( Rear, Component in / AV in common ) |
|
| HDMI 2.1 |
: 4 ( 2 Ports With HDMI 2.1 Supports Up To 4k/120Hz. 1 Port With eARC ) |
| USB 2.0 |
: 2 |
| Ethernet / LAN |
: 1 Yes |
| RF Input ( NTSC, ATSC ) |
: 1 Yes |
| Audio Output ( RCA ) |
: Yes |
| Audio Output Headphone |
: 1 Yes |
| SPDIF Digital Audio Optical |
: 1 Yes |
| WiFi 6 |
: 802.11b/g/n/ac/ax 2X2, 2.4 GHz & 5 GHz |
| AV Input |
: Composite Video + L&R Audio In ( Mini 3.5 mm Connector ) |
|
| Smart TV Features |
| Operating System |
: WebOS Smart TV |
| CPU |
: Quad Core |
| DIAL |
: Yes |
| AI UX |
: Yes |
| ThinQ |
: Yes |
| AI Home |
: Yes |
| Hotel Mode |
: Yes |
| Wi-Fi TV On |
: Yes |
| 360° VR Play |
: Yes |
| Music Player |
: Yes |
| Quick Access |
: Yes |
| Screen Share |
: Yes |
| Mobile TV On |
: Yes |
| Web Browser |
: Yes |
| Intelligent Edit |
: Yes |
| LG TV Plus App |
: Yes |
| Speech To Text |
: Yes |
| LG Voice Search |
: Yes |
| Smart ThinQ App |
: Yes |
| LG Content Store |
: Yes |
| Universal Control |
: Yes |
| Home Dashboard |
: Yes |
| Mobile Connectivity |
: Yes |
| AI Recommendation |
: Yes |
| Auto Device Detection |
: Yes |
| Network File Browser |
: Yes |
| Bluetooth Low Energy On |
: Yes |
| Intelligent Voice Recognition |
: Yes |
| Block Access To Harmful Site |
: Yes |
| Magic Remote Control |
: Built-In |
| Magic Link |
: Yes ( Iran, Syria, Sudan Excludes Youtube ) |
|
| Smart Platform |
: Google TV |
| Chromecast Built-In |
: Yes |
| Auto Game Mode ( ALLM ) |
: Yes |
| THX Certified Game Mode |
: Yes |
| Advanced PQ Setting With Mobile App |
: Yes |
| Hands-Free Voice Google Assistant Control |
: Yes |
| Variable Refresh Rate ( VRR ) |
: 48Hz - 120 Hz @ 4K |
| Easy Voice Control |
: Works With Siri, Alexa, And Hey Google |
|
| Other Features |
| Design |
: Premium Design |
| Time Shift |
: Yes |
| Analog DVR |
: Yes |
| EPG ( 8 days ) |
: Yes |
| Teletext Page |
: Yes |
| Subtitle [ DVB ] |
: Yes |
| Digital Recording |
: Yes |
| Audio Description |
: Yes |
| Analog TV Reception |
: Yes |
| Time Machine ( DVR ) |
: Yes |
| Teletext ( Top / Flof / List ) |
: Yes |
| Data Broadcasting ( Country Spec ) |
: Yes |
| Instant Game Response ( VRR / ALLM ) |
: - / Yes |
| Cable |
: DVB-C |
| Terrestrial |
: DVB-T2 |
| Satellite |
: Yes DVB-S2 ( Except Iran ) |
| VESA Wall Mount Model |
: Refer To Accessory Sheet |
| Digital TV Reception ( Terrestrial, Cable, Satellite ) |
: Yes DVB-T2/C/S2 ( IRAN : DVB-T2/C ) |
|
| Sleep Timer |
: Yes |
| Closed Caption |
: Yes |
| 1 Year Limited Warranty |
: Yes |
| Parental Control ( V-Chip ) |
: Yes |
| Accessible Menu System ( CVAA ) |
: Yes |
| Control Buttons |
: One Button |
| Multilingual On-Screen-Display |
: English, Spanish, French |
| Tuner Type |
: ATSC / NTSC / Clear QAM |
| Live TV Pause From Antenna ( Up To 30 Minutes ) |
: Yes ( Compatible With USB Drive ) |
| Design |
: Full View Edge-To-Edge Glass Design |
|
| General Details |
| Power Supply ( Voltage, Hz ) |
: AC 100~240V 50-60Hz |
| On-Mode Power Consumption |
: 95.0 W |
| Peak Luminance Ratio of On-Mode or Home-Mode |
: 139 W |
| Standby / Off-Mode Power Consumption |
: 0.24 W |
| Presence of Lead |
: Yes |
| Energy Saving Mode |
: Yes |
| Energy Efficiency Label |
: 3 |
| Peak Luminance In Percentage |
: 76 % |
| Weight Without Stand |
: 17.2 Kg |
| Weight With Stand |
: 18.7 Kg |
| Illuminance Green Sensor |
: Yes ( White Sensor ) |
|
| Power Supply (Voltage, Hz) |
: AC 100V-240V 50/60Hz |
| Annual Power Consumption |
: 258 kWh/Y |
| Power Consumption Standby |
: <0.5 W |
| Weight Without Stand |
: 19.18 Kg |
| Weight With Stand |
: 19.59 Kg |
| Packaging Weight |
: 25.80 Kg |
| VESA Walll Mount Pattern |
: 300 mm X 300 mm |
|
| Supplied Accessories |
| Remote Control |
: MR19 |
| Batteries |
: AAA X 2EA |
| Power Cable |
: Yes ( TV Detached ) |
|
| Remote Control |
: Voice Enabled Remote Control RC902N |
| 2 AAA Batteries |
: Yes |
| Screw Size |
: M6 X 20 |
| Power Cord Type |
: Detachable |
| Warranty Info / Quick Start Guide (QSG) |
: Yes English |
|
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Compare LG 55SM8100PVA with:
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Compare TCL 55R646-CA with:
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Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. From a practical standpoint, both options provide a reliable viewing experience for most users. TCL 55R646-CA and LG 55SM8100PVA are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. TCL 55R646-CA and LG 55SM8100PVA 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 (15 W + 15 W vs 20 W ( 10 W Per Channel )), which can influence overall sound clarity and loudness. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both TVs come with smart platforms that support popular streaming apps and voice control features. TCL 55R646-CA and LG 55SM8100PVA offer different motion rates (120 Hz vs 50 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. Verdict: Choosing between TCL 55R646-CA and LG 55SM8100PVA depends on your usage, whether you prioritize display quality, smoother motion, or smart features. Top Differences- Resolution: UHD Vs 4K 3840 x 2160
- Refresh Rate: 120 Hz Vs 50 Hz
- Display Technology: 4K HDR Mini-LED QLED TV Vs 4K UHD Edge LED
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