| Model No |
75QM851G |
OLED77B1PVA |
| TV Type |
Smart TV |
Smart TV |
| Screen Size |
75 Inch (191 cm) |
77 Inch (195.58 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 |
: 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, JPS, MPO |
|
| Video |
| Backlight |
: 4K UHD QD-Mini LED ULTIMATE With QLED ULTRA |
| HLG |
: Yes |
| HDR 10 |
: Yes |
| HDR 10+ |
: Yes |
| Dolby Vision IQ |
: Yes |
| Anti-Glare Screen |
: Yes |
| Display Colors |
: 1.07 Billion Colors |
| Brightness |
: Up To 5,000 Nits Peak |
| QLED ULTRA |
: Quantum Dot Technology |
| Description |
: Ultimate 4K QD-Mini LED TV |
| Backlight Type |
: High Brightness Ultimate LED Backlight |
| Motion Enhancement Technology |
: Motion Rate 480 With MEMC Frame Insertion |
| Picture Engine |
: TCL AIPQ ULTRA Processor With Deep Learning AI |
|
| Backlight |
: 4K UHD OLED |
| Filmmaker Mode™ |
: Yes |
| Billion Rich Colors |
: Yes |
| Wide Viewing Angle |
: Yes |
| AI Brightness Control |
: Yes |
| Display Type |
: 4K OLED |
| AI Picture Pro |
: AI Picture |
| 2K HFR |
: - / Yes / - / - |
| 4K HFR |
: - / Yes / - / - |
| Upscaler |
: 4K Upscaler |
| AI Upscaling |
: AI Upscaling |
| HDR |
: Cinema HDR |
| Contrast / Perfect Black |
: Perfect Black |
| Color / Wide Color Gamut |
: Perfect Color |
| Contrast / Dimming |
: Pixel Dimming |
| Video Decoder ( AV1 ) |
: 4K@60P, 10Bit |
| Video Decoder ( VP9 ) |
: 4K@60P, 10Bit |
| Video Decoder HEVC |
: 4K@120P, 10Bit |
| Image Enhancing |
: Image Enhancing |
| Motion Pro |
: OLED Motion Pro |
| AI Genre Selection |
: Yes ( Dolby HDR ) |
| Ultra Luminance |
: Ultra Luminance Pro |
| Dolby Vision IQ ( RF / HDMI / CP / USB ) |
: - / Yes / Yes / Yes ( 4K / 2K ) |
| Face Enhancing + Body / Object ( 8K Only ) |
: AI Picture - Face Enhancing |
| Dynamic Tone Mapping / Pro ( + AI HDR Tone Mapping ) |
: HDR Dynamic Tone Mapping |
| HLG |
: Yes / Yes / Yes / Yes ( 4K / 2K ) |
| HDR10 Pro |
: Yes / Yes / Yes / Yes ( 4K / 2K ) |
| Picture Processor |
: α7 Gen4 Processor 4K ( LM21U ) |
| Picture Mode |
: Yes 9 Modes ( Vivid, Standard, Eco, Cinema, Sports, Game, Filmmaker, ( ISF ) Expert(Bright Room ), ( ISF ) Expert ( Dark Room ) ) |
|
| Audio |
| Audio Output ( RMS ) |
: 80 W ( 2 X 20 W L / R Speakers + 20 W Subwoofer + 2 X 10 W Up-Firing Speakers ) |
| Dolby Atmos Audio |
: Yes |
| Bluetooth Personal Audio |
: Yes |
| Built-in ONKYO Subwoofers |
: Yes |
| IMAX Enhanced Certification |
: Yes |
| DTS Processing |
: DTS Virtual : X |
| Dolby Processing |
: Dolby Atmos, Dolby Digital + |
| Speaker System |
: ONKYO 2.1.2 Speaker System |
| Speaker Type |
: Built-In ONKYO Up-Firing Speakers |
| Audio Passthrough |
: Dolby Atmos, Dolby Digital +, Dolby Digital, PCM |
|
| Audio Output ( RMS ) |
: 40 W ( WF : 20 W, 10 W Per Channel ) |
| Sound Alive |
: Yes |
| Sound Share |
: Yes |
| Dolby Atmos |
: Yes |
| Clear Voice III |
: Yes |
| LG Sound Sync |
: Yes |
| Sound Mode Sync |
: Yes |
| AI Acoustic Tuning |
: Yes |
| Bluetooth Surround Ready |
: Yes |
| AI Sound / Pro |
: AI Sound |
| Speaker System |
: 2.2 Channel |
| Speaker Direction |
: Down Firing |
| Surround Mode => 21Y Spec Out |
: OLED Surround |
| WiSA Speakers |
: Yes ( WiSA 2.1 Channel ) |
| Simultaneous Audio Output ( Optic and HP Output Jack Output ) |
: Yes ( Optical Output Or HP Support Model ) |
| Audio Codec |
: AC4, AC3 ( Dolby Digital ), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X ( Refer To Manual ) |
|
| Connectivity Options |
| HDMI 2.1 |
: 4 ( 1 eARC ) |
| USB 3.0 + 2.0 |
: 3 ( 3.0 X 1, 2.0 X 2 ) |
| Bluetooth |
: Yes |
| Ethernet / LAN |
: Yes |
| Chromecast Built-In |
: Yes |
| Audio Output Headphone |
: 1 Yes |
| RF Input ( NTSC, ATSC ) |
: 1 Yes |
| SPDIF Digital Audio Optical |
: 1 Yes |
| Wi-Fi |
: Wi-Fi 6 ( 802.11ax ) |
| AV Input |
: Composite Video + L & R Audio In ( Mini 3.5 mm Connector ) |
|
| HDMI 2.0 |
: 4 ( 2 Rear, 2 Side ) |
| USB 2.0 |
: 3 ( 1 Rear, 2 Side ) |
| Bluetooth 5.0 |
: Yes |
| Simplink ( HDMI CEC ) |
: Yes |
| Ethernet / LAN |
: Yes Rear |
| Headphone Out |
: Yes Rear |
| Optical Digital Audio Out ( SPDIF ) |
: Yes Rear |
| WiFi |
: Yes ( 802.11ac ) |
| RF In |
: 2 ( Rear, RF / Sat ) |
| Audio Return Channel ( eARC / ARC ) |
: eARC ( Rear HDMI 3 ) |
| Line Out |
: Yes ( Rear, Headphone Out Common ) |
|
| Smart TV Features |
| Operating System |
: Google TV |
| Netflix |
: Yes |
| Disney+ |
: Yes |
| YouTube |
: Yes |
| Apple TV |
: Yes |
| YouTube TV |
: Yes |
| Apple Airplay2 |
: Yes |
| Backlit Voice Remote |
: Yes |
| Hands-Free Voice Control |
: Yes |
| Internet Applications |
: Netflix, HBO Max, Disney Plus, Hulu, YouTube |
| Works With |
: Amazon Alexa, Google Assistant, Apple HomeKit |
|
| Operating System |
: WebOS Smart TV |
| CPU |
: Quad |
| DIAL |
: Yes |
| ThinQ |
: Yes |
| Airplay2 |
: Yes |
| LG Store |
: Yes |
| AI Home |
: Yes |
| ThinQ App |
: Yes |
| Art Gallery |
: Yes |
| Hotel Mode |
: Yes |
| Sports Alert |
: Yes |
| Wi-Fi TV On |
: Yes |
| 360° VR Play |
: Yes |
| Screen Share |
: Yes |
| Quick Access |
: Yes |
| Web Browser |
: Yes |
| Intelligent Edit |
: Yes |
| Apple Homekit |
: Yes |
| Speech To Text |
: Yes |
| Music Discovery |
: Yes |
| LG Voice Search |
: Yes |
| Universal Control |
: Yes |
| Home Dashboard |
: Yes |
| TV On With Mobile |
: Yes |
| Mobile Connectivity |
: Yes |
| Network File Browser |
: Yes |
| Next Picks ( AI Channel ) |
: Yes |
| Related Content Search |
: Yes |
| Magic Explorer ( AI Link ) |
: Yes |
| AI Recommendation / AI |
: Yes |
| Bluetooth Low Energy On |
: Yes |
| Remote Voice Recognition |
: Yes |
| Music Player -> Media Player |
: Yes |
| Block Access To Harmful Site |
: Yes |
| Intelligent Voice Recognition |
: Yes |
| Magic Remote Control |
: Built-In |
|
| Other Features |
| Design |
: Full View 360 Metal Bezel-Less Design / Elegant Edge-To-Edge Glass Design |
| Sleep Timer |
: Yes |
| Closed Caption |
: Yes |
| JPEG / MP3 For USB |
: Yes |
| Game Accelerator 240 |
: Yes |
| Auto Game Mode ( ALLM ) |
: Yes |
| Parental Control ( V -Chip ) |
: Yes |
| AMD FreeSync Premium Pro |
: Yes |
| Accessible Menu System ( CVAA ) |
: Yes |
| ATSC 3.0 NextGen TV Digital Tuner |
: Yes |
| Control Buttons |
: One Button |
| Tuner Type |
: ATSC, NTSC, Clear QAM |
| Multilingual On-Screen-Display |
: English, Spanish, French |
| Warranty |
: 1 Year Limited Warranty |
|
| Design |
: Cinema Screen Design |
| Time Shift |
: Yes |
| HGiG Mode |
: Yes |
| Analog DVR |
: Yes |
| EPG ( 8 Days ) |
: Yes |
| Teletext Page |
: Yes |
| Subtitle [ DVB ] |
: Yes |
| Auto Calibration |
: Yes |
| Digital Recording |
: Yes |
| G-Sync Compatible |
: Yes |
| Analog TV Reception |
: Yes |
| Time Machine ( DVR ) |
: Yes |
| FreeSync Compatible |
: Yes |
| Audio Description ( AD ) |
: Yes |
| Teletext (Top / Flof / List ) |
: Yes |
| Digital TV Reception ( Terrestrial, Cable, Satellite ) |
: Yes |
| Cable |
: DVB-C |
| Satellite |
: DVB-S2 |
| Terrestrial |
: DVB-T2 |
| Instant Game Response ( VRR / ALLM ) |
: Yes / Yes |
|
| General Details |
| Power Supply ( Voltage, Hz ) |
: AC 100V-240V 50/60Hz |
| Annual Power Consumption |
: 531 kWh/Y |
| Power Consumption Standby |
: < 0.5 W |
| Weight Without Stand |
: 33.02 Kg |
| Weight With Stand |
: 38.50 Kg |
| Package Weight |
: 48.98 Kg |
| Screw Size |
: M6 X 12 |
| VESA Walll Mount Pattern |
: 500 mm X 400 mm |
|
| Power Supply |
: AC 100 ~240 V 50-60 Hz |
| Power Consumption Standby |
: Under 0.5 W |
| Energy Standard |
: Yes |
| Energy Saving Mode |
: Yes |
| Illuminance Green Sensor |
: Yes |
|
| Supplied Accessories |
| Remote Control |
: Backlit Voice Remote Control |
| Power Cable |
: Yes |
| 2 X AAA Batteries |
: Yes |
| Warranty Info English |
: Yes |
| Quick Start Guide English |
: Yes |
|
| Remote Control |
: MR21 |
| User Manual |
: Yes |
| Batteries |
: AA X 2EA |
| Power Cable |
: Yes ( TV Attached ) |
|
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Compare TCL 75QM851G with:
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Compare LG OLED77B1PVA with:
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Key Differences
Audio output differs between the two (80 W ( 2 X 20 W L / R Speakers + 20 W Subwoofer + 2 X 10 W Up-Firing Speakers ) vs 40 W ( WF : 20 W, 10 W Per Channel )), 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. Both TVs come with smart platforms that support popular streaming apps and voice control features. In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. TCL 75QM851G features a 75 Inch (191 cm) screen while LG OLED77B1PVA comes with 77 Inch (195.58 cm), which can make a noticeable difference depending on your room size and viewing distance. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. If you're comparing TCL 75QM851G and LG OLED77B1PVA, 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.
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