| Model No |
OLED55B9PVA |
55U78QG |
| 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 |
120 Hz |
165 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 |
: 3.0, 2.0 |
| Supported Audio Formats |
: MPEG, WMA, FLAC, MP3, AAC, WAV, OPUS |
| Supported Video Formats |
: HEVC, AVC, WEBM, MPEG, MOV, WMV, FLV, TS, MKV, MP4, AVI |
| Supported Picture Formats |
: GIF, PNG, BMP, JPEG |
|
| Video |
| Backlight |
: 4K UHD OLED |
| 2K HFR |
: Yes |
| 4K HFR |
: Yes |
| AI Brightness |
: Yes |
| Billion Rich Color |
: Yes |
| Perfect Viewing Angle |
: Yes |
| Object Depth Enhancer |
: Yes |
| Deep Learning AI Picture |
: Yes |
| Frequency Based Sharpness Enhancer |
: Yes |
| Advanced HDR By Technicolor / Technicolor Expert Mode |
: Yes |
| Display Type |
: OLED |
| Upscaler |
: 4K Upscaler |
| Wide Color Gamut |
: Perfect Color |
| Motion Pro |
: OLED Motion |
| HLG |
: Yes ( 4K / 2K ) |
| HDR Effect |
: Yes ( 4K / 2K ) |
| HDR10 Pro |
: Yes ( 4K / 2K ) |
| Dolby Vision |
: Yes ( 4K / 2K ) |
| Noise Reduction |
: Quad Step NR |
| Dimming |
: Pixel Dimming |
| Video Decoder VP9 |
: 4K@60P, 10Bit |
| HDR |
: 4K Cinema HDR |
| Black |
: Infinite Contrast |
| Video Decoder HEVC |
: 4K@120P, 10Bit |
| Color Accuracy |
: True Color Accuracy |
| Ultra Luminance |
: Ultra Luminance Pro |
| Color Enhancer |
: Advanced Color Enhancer |
| Dynamic Tone Mapping |
: HDR Dynamic Tone Mapping Pro |
| Picture Mode |
: Yes 10 Modes ( Vivid, Standard, Eco, Cinema, Sports, Game, HDR Effect, Technicolor Expert, ( ISF ) Expert ( Bright Room ), ( ISF ) Expert ( Dark Room )) |
|
| Backlight |
: 4K UHD Mini-LED Pro QLED |
| HLG |
: Yes |
| MEMC |
: Yes |
| HDR10 |
: Yes |
| HDR 10+ |
: Yes |
| Dolby Vision |
: Yes |
| Dolby Vision IQ |
: Yes |
| AI HDR Upscaler |
: Yes |
| HDR10+ Adaptive |
: Yes |
| Film Maker Mode |
: Yes |
| Wide Color Gamut |
: Yes |
| Total HDR Solution |
: Yes |
| Quantum Dot Colour |
: Yes |
| Anti-Reflection Screen |
: Yes |
| Full Array Local Dimming |
: Yes |
| Anti-Glare Low Reflection Panel |
: Yes |
| Local Dimming Zones |
: 1260 |
| Peak Brightness |
: Up To 3,000 Nits |
| AI PQ Engine |
: Hi-View AI Engine Pro |
|
| Audio |
| Audio Output ( RMS ) |
: 40 W ( WF : 20 W, 10 W Per Channel ) |
| AI Sound |
: Yes |
| Dolby Atmos |
: Yes |
| DTS Decoder |
: Yes |
| Clear Voice III |
: Yes |
| LG Sound Sync |
: Yes |
| One Touch Sound Tuning |
: Yes |
| Bluetooth Audio Playback |
: Yes |
| Auto Notification ( Bluetooth Easy Paring ) |
: Yes |
| Speaker System |
: 2.2 Channel |
| Speaker Direction |
: Down Firing |
| WiSA Speakers |
: Yes ( WiSA 2.0 Channel ) |
| Surround Mode |
: Dolby Surround / OLED Surround |
| 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, DTS, DTS-HD, DTS Express, WMA, apt-X |
|
| Audio Output Power ( RMS ) |
: 50 W |
| Dolby Atmos |
: Yes |
| IMAX Enhanced |
: Yes |
| Built-In Subwoofer |
: Yes |
| Speaker Configuration |
: 2.1.2 Multi-Channel Audio |
|
| Connectivity Options |
| HDMI 2.1 |
: 4 ( 1 Rear, 3 Side ) |
| USB 2.0 |
: 3 ( 2 Rear, 1 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 ) |
| Audio Return Channel ( eARC / ARC ) |
: eARC ( HDMI 2 ) |
| RF In |
: 2 ( Rear, RF / Sat ) |
| Composite In ( AV ) |
: Yes ( Rear, Gender Type ) |
| Line Out |
: Yes ( Rear, Headphone Out Common ) |
|
| HDMI ( 2.1 ) |
: 4 |
| USB ( 3.0 + 2.0 ) |
: 2 ( USB 3.0 X 1, USB 2.0 X 1 ) |
| Ethernet / LAN |
: Yes |
| Bluetooth™ 5.3 |
: Yes |
| Built-In Bluetooth |
: Yes |
| Earphone, Audio Output |
: Yes |
| L / R Audio Input For Composite |
: Yes |
| Digital Audio Output |
: Optical |
| Wi-Fi Built In |
: Wifi 6E |
| RCA Composite Video Input |
: Mini Jack |
| HDMI CEC |
: HDMI-3 eARC |
| HDMI ARC |
: HDMI-3 eARC |
| WiFi Technology |
: 802.11 abgn/ac/ax-2.4G, 5G, 6G |
| RF Antenna |
: NTSC, Clear QAM/ ATSC 3.0 ( NextGen TV ) |
|
| Smart TV Features |
| Operating System |
: WebOS Smart TV |
| CPU |
: Quad |
| DIAL |
: Yes |
| ThinQ |
: Yes |
| Gallery |
: Yes |
| AI Home |
: Yes |
| Multi-View |
: Yes |
| Hotel Mode |
: Yes |
| Wi-Fi TV On |
: Yes |
| 360° VR Play |
: Yes |
| Music Player |
: Yes |
| Screen Share |
: Yes |
| Quick Access |
: Yes |
| Mobile TV On |
: Yes |
| Web Browser |
: Yes |
| Intelligent Edit |
: Yes |
| Speech To Text |
: Yes |
| LG TV Plus App |
: Yes |
| LG Voice Search |
: Yes |
| LG Content Store |
: Yes |
| Smart ThinQ App |
: Yes |
| Universal Control |
: Yes |
| Home Dashboard |
: Yes |
| Mobile Connectivity |
: Yes |
| Network File Browser |
: Yes |
| Auto Device Detection |
: Yes |
| AI Recommendation / AI |
: Yes |
| Bluetooth Low Energy On |
: Yes |
| Remote Voice Recognition |
: Yes |
| Block Access To Harmful Site |
: Yes |
| Intelligent Voice Recognition |
: Yes |
| Magic Remote Control |
: Built-In |
| Magic Link |
: Yes ( Iran, Syria, Sudan Excludes Youtube ) |
|
| Operating System |
: Google TV |
| Smart TV |
: Yes |
| AI Energy |
: Yes |
| AI Clear Voice |
: Yes |
| AI Sports Mode |
: Yes |
| Smart Home Ready |
: Yes |
| Far Field Mic, Hands Free |
: Yes |
| Hands-Free Voice Control |
: Yes |
| Works with Amazon Alexa |
: Yes |
| Alexa |
: Works With Alexa |
| Google Assistant |
: Google Assistant Built-in |
| Apple Home Kit |
: Works With Apple HomeKit, Airplay |
|
| Other Features |
| Design |
: 4K Perfect 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 |
| Analog TV Reception |
: Yes |
| Time Machine ( DVR ) |
: Yes |
| Audio Description ( AD ) |
: Yes |
| Teletext (Top / Flof / List ) |
: Yes |
| Data Broadcasting ( Country Spec ) |
: Yes |
| Cable |
: DVB-C |
| Satellite |
: DVB-S2 |
| Terrestrial |
: DVB-T2 |
| Instant Game Response ( VRR / ALLM ) |
: Yes / Yes |
| Digital TV Reception ( Terrestrial, Cable, Satellite ) |
: Yes DVB-T2/C/S2 |
|
| Design |
: Bezel-Less Design |
| Sleep Timer |
: Yes |
| Closed Caption |
: Yes |
| Parental Control |
: Yes |
| Digital Noise Reduction |
: Yes |
| Warranty |
: 1 Year Warranty |
| Dual Position Stand |
: Fixed Pedestal Stand |
| Menu Languages |
: English, French, Spanish |
|
| General Details |
| Power Supply |
: AC 100 ~240 V 50-60 Hz |
| Standby Power Consumption |
: Under 0.5 W |
| Energy Standard |
: Yes |
| Energy Saving Mode |
: Yes |
| Weight Without Stand |
: 18.9 Kg |
| Weight With Stand |
: 19.9 Kg |
| Illuminance Green Sensor |
: Yes ( White Sensor ) |
|
| Power Supply |
: AC 100V~240V，50Hz / 60Hz |
| Power Consumption |
: 200 W |
| Power Consumption Standby |
: ≤0.5 W |
| Weight Without Stand |
: 15.1 Kg |
| Weight With Stand |
: 16.2 Kg |
| Shipping Weight |
: 21.6 Kg |
| VESA Wall Mount Compatible |
: 400 mm X 200 mm |
|
| Supplied Accessories |
| Remote Control |
: MR19 |
| User Manual |
: Yes |
| Component / AV Gender |
: Yes |
| Batteries |
: AA X 2EA |
| Power Cable |
: Yes ( TV Attached ) |
|
| Remote Control |
: Back-Lit Voice Remote With G-Sensor |
| Power Cord |
: Yes |
| User Manual |
: Yes |
| Quick Setup Guide |
: Yes |
|
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Compare LG OLED55B9PVA with:
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Compare Hisense 55U78QG with:
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Key Differences
LG OLED55B9PVA and Hisense 55U78QG offer different motion rates (120 Hz vs 165 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. 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. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. LG OLED55B9PVA and Hisense 55U78QG are two competitive smart TVs offering a mix of display performance, smart features, and overall value for different types of users. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Verdict: Both models offer good value, and the better option depends on your specific requirements and viewing preferences.
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