| Model No |
OLED77B42LA |
AR75QDXGU2875AT |
| TV Type |
Smart TV |
Smart TV |
| Screen Size |
77 Inch (195.58 cm) |
75 Inch (191 cm) |
| Resolution |
4K 3840 x 2160 |
4K 3840 x 2160 |
| Aspect Ratio |
16:9 |
16:9 |
| Motion Rate |
120 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 |
|
| USB Version |
: 3.0 |
| Supported Audio Formats |
: MPEG1, MPEG2, MPEG4, AC3, EAC3, AAC, WMA, FLAC |
| Supported Video Formats |
: H.265, H.264, H.263, MPEG1, MPEG2, MPEG4 |
| Supported Picture Formats |
: JPEG, PNG |
|
| Video |
| Backlight |
: 4K UHD OLED |
| HLG |
: Yes |
| HDR10 |
: Yes |
| Dolby Vision |
: Yes |
| Filmmaker Mode™ |
: Yes |
| AI Brightness Control |
: Yes |
| Dynamic Tone Mapping Pro |
: Yes |
| Wide Color Gamut |
: OLED Colour |
| Motion |
: OLED Motion |
| Dimming Technology |
: Pixel Dimming |
| AI Genre Selection |
: Yes ( SDR / HDR ) |
| Picture Processor |
: α8 AI Processor 4K |
| High Frame Rate ( HFR ) |
: 4K 120 Fps ( HDMI ) |
| AI Upscaling |
: α8 AI Super Upscaling 4K |
| Picture Mode |
: 10 Modes ( Personalized Picture Wizard, Vivid, Standard, Eco, Cinema, Sports, Game, Filmmaker, ( ISF ) Expert ( Bright Room ), ( ISF ) Expert ( Dark Room )) |
|
| Backlight |
: 4K UHD ULTRA QLED |
| HLG |
: Yes |
| HDR10 |
: Yes |
| Dolby Vision |
: Yes |
| Micro Dimming |
: Yes |
| Super Brightness |
: Yes |
| Wide Colour Gamut |
: Yes |
| Blue Light Reduction |
: Yes |
| Ai Picture Optimisation |
: Yes |
| Digital Noise Reduction |
: Yes |
| Dynamic Signal Calibration – DSC |
: Yes |
| Motion Estimation, Motion Compensation – MEMC |
: Yes |
| Analog TV Reception |
: NTSC |
| Contrast Ratio |
: 5000:1 |
| Response Time |
: 6.5 ms |
| Colours |
: 1.07 Billion Colours |
|
| Audio |
| Audio Output ( RMS ) |
: 20 W |
| LG Sound Sync |
: Yes |
| Dolby Atmos |
: Yes |
| AI Acoustic Tuning |
: Yes |
| Sound Mode Share |
: Yes |
| Simultaneous Audio Output |
: Yes |
| Speaker System |
: 2.0 Channel |
| Speaker Direction |
: Down Firing |
| Bluetooth Surround Ready |
: Yes ( 2 Way Playback ) |
| WiSA Ready |
: Yes ( Up To 2.1 Channel ) |
| Clear Voice Pro |
: Yes ( Auto Volume Leveling ) |
| AI Sound |
: α8 AI Sound Pro ( Virtual 9.1.2 Up-Mix ) |
| Audio Codec |
: AC4, AC3 ( Dolby Digital ), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X ( Refer To Manual ) |
|
| Audio Output ( RMS ) |
: 60 W |
| Sound Technology |
: Dolby Atmos+ |
| Surround Sound |
: Dolby MS12_Z |
| Dual Amplifier |
: Woofer - Tweeter |
| Speaker Type |
: High Fidelity Speakers With GIGA BASS |
| Sound Mode |
: Stadium, Standard, Movie, Music, Speech |
|
| Connectivity Options |
| HDMI 2.1 |
: 4ea ( Supports 4K 120Hz, eARC, VRR, ALLM, QMS ( 4 Port )) |
| USB 2.0 |
: 2ea |
| CI Slot |
: 1ea |
| Ethernet / LAN |
: 1ea |
| RF Input ( Antenna / Cable ) |
: 2ea |
| Optical Digital Audio Out ( SPDIF ) |
: 1ea |
| Wi-Fi 5 |
: Yes |
| Bluetooth 5.1 |
: Yes |
| Simplink ( HDMI CEC ) |
: Yes |
| HDMI Audio Return Channel |
: eARC ( HDMI 3 ) |
|
| HDMI 2.1 |
: 3 ( 1 Supports eARC ) |
| USB ( 3.0 + 2.0 ) |
: 2 ( 3.0 X 1, 2.0 X 1 ) |
| Bluetooth 5.2 |
: Yes |
| Built In Wi-Fi |
: Yes |
| Ethernet / LAN |
: Yes |
| Internet Access |
: Yes |
| Headphone Jack |
: Yes |
| 2 Way Bluetooth |
: Yes |
| Chromecast Built-In |
: Yes |
| Wireless LAN Adapter |
: Yes |
| Wi-Fi Type |
: Dual Band Wifi 2.4GHz + 5GHz |
|
| Smart TV Features |
| Operating System |
: WebOS 24 Smart TV |
| ThinQ |
: Yes |
| Multi View |
: Yes |
| LG Channels |
: Yes |
| Always Ready |
: Yes |
| Family Settings |
: Yes |
| Full Web Browser |
: Yes |
| USB Camera Compatible |
: Yes |
| Works With Apple Airplay2 |
: Yes |
| Intelligent Voice Recognition |
: Yes |
| Amazon Alexa |
: Built-in |
| Magic Remote Control |
: Built-In |
| The Security Update Is Supported Until |
: 31/12/2028 |
| Smartphone Remote App |
: Yes ( LG ThinQ ) |
|
| Operating System |
: Google TV With Android 14 |
| CPU |
: DUAL AI- CORE Processor |
| GPU |
: IMG BXE, Open GL ES3.2 |
| RAM |
: 2 GB |
| ROM |
: 16 GB |
| Far-Field Mic |
: Yes |
| Screen Mirroring |
: Yes |
| Google Assistant |
: Yes |
| Google Play Store |
: Yes |
| Supported App - Netflix |
: Yes |
| Supported App - Youtube |
: Yes |
| Supported App - Disney + Hotstar |
: Yes |
| Supported App - Prime Video |
: Yes |
| Operating System Present |
: Yes |
| Supported Mobile Operating System |
: Android, iOS |
| Supported Devices For Casting |
: Mobile, Laptop, PC |
| Voice Assistant |
: Yes, Voice Enabled Smart Remote |
| Pre – Installed Applications |
: Netflix, Prime Video, Youtube, Google Play, FastCast, Smart Player |
| Supported Internet Services |
: Netflix, Prime Video, Zee5, Eros Now, JioCinema, SonyLiv, Youtube, Hungama, Google Play Store, Hotstar |
| Supported App - Others |
: MX Player, Sony Liv, Voot, Voot Kids, Zee5, Spotify, Prime Music, Hungama, Google Music, Smart Player, Google Games |
| Content Providers |
: Netflix, Prime Video, Hotstar, YouTube, Smart Device Manager, Fast Cast, Google Play Store, World Clock, Meeting Mode |
|
| Other Features |
| Design |
: Slimeline Design |
| Gray Scale |
: Yes |
| Invert Colors |
: Yes |
| High Contrast |
: Yes |
|
| Design |
: Frameless Design |
| Clock |
: Yes |
| Teletext |
: Yes |
| Watchlist |
: Yes |
| RF Capable |
: Yes |
| Sleep Timer |
: Yes |
| Kids Profile |
: Yes |
| ECO Mode |
: Yes |
| Color Screen |
: Yes |
| Smart Remote |
: Yes |
| On / Off Timer |
: Yes |
| Personal Profile |
: Yes |
| Auto Power Off |
: Yes |
| Auto Low Latency Mode ( ALLM ) |
: Yes |
| 120Hz Variable Refresh Rate ( VRR ) |
: Yes |
| System Languages |
: English |
| Content Languages |
: English |
| Other Remote Control Features |
: 4 Hotkeys - Netflix, Prime Video, YouTube, Disney+ Hotstar |
| Comprehensive Warranty |
: 1 Year Comprehensive Warranty from the Date of Purchase |
|
| General Details |
| Power Supply |
: AC 100~240V 50-60Hz |
| Power Consumption Standby |
: Under 0.5 W |
| Weight Without Stand |
: 22.9 Kg |
| Weight With Stand |
: 23.5 Kg |
| Packaging Weight |
: 33.5 Kg |
| VESA Mounting |
: 300 mm X 200 mm |
|
| Power Requirements |
: AC 110 – 240 V, 50Hz / 60Hz |
| Power Consumption |
: 305 W |
| Power Consumption Stand By |
: 0.5 W |
| Weight Without Stand |
: 25.7 Kg |
|
| Supplied Accessories |
| Remote Control |
: Magic Remote MR24 With NFC |
| Power Cable |
: Yes ( Attached ) |
| AA X 2 Batteries |
: Yes |
|
| Smart Remote Control - 1N |
: IR, Bluetooth |
| Batteries AAA -2N |
: Yes |
| Table Stand Base |
: Yes |
| Power Cable - 1N |
: Yes |
| User Manual - 1N |
: Yes |
| Warranty Card - 1N |
: Yes |
|
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Compare LG OLED77B42LA with:
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Compare Acer AR75QDXGU2875AT with:
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Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. From a practical standpoint, both options provide a reliable viewing experience for most users. There is a difference in screen size (75 Inch (191 cm) vs 77 Inch (195.58 cm)), and a larger screen generally provides a more immersive viewing experience. Acer AR75QDXGU2875AT and LG OLED77B42LA are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Both TVs come with smart platforms that support popular streaming apps and voice control features. Acer AR75QDXGU2875AT and LG OLED77B42LA offer different motion rates (60 Hz vs 120 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. Audio output differs between the two (60 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- Screen Size: 75 Inch (191 cm) Vs 77 Inch (195.58 cm)
- Refresh Rate: 60 Hz Vs 120 Hz
- Display Technology: 4K UHD ULTRA QLED Vs 4K UHD OLED
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ALERT
