LG Evo B4 55 inch Ultra HD 4K Smart OLED TV vs LG A3 55 inch Ultra HD 4K Smart OLED TV
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General
| Country of Origin | India | |
| Model | OLED55B46LA | OLED55A3PSA |
| Type | OLED | OLED |
| Warranty | 1 Year | |
| In The Box | Manual, Warranty Card : 1U, Card : 4U, Remote : 1U, Battery : 2U | |
| Launch Year | 2024 |
Display
| Size (Diagonal) | 55 in | 55 in |
| Screen Resolution | 4K, 3840 x 2160 pixels | 4K, 3840 x 2160 pixels |
| Refresh Rate | 120 Hz | 60 Hz |
| Aspect Ratio | 16:9 | 16:09 |
| Viewing Angle | 178 ° Horizontal, 178 ° Vertical | |
| HDR | Yes | |
| HDR Format Types | HDR10, HLG, Dolby Vision | |
| High Frame Rate (HFR) | Yes, 4K 120 fps (HDMI) | |
| Tone Mapping | Dynamic Tone Mapping | |
| Dimming Technology | Pixel Dimming | |
| Other Display Features | α7 AI Processor 4K Gen6, AI Picture Pro, Pixel Dimming, Perfect Black, 100% Color Fidelity & Color Volume |
Physical Design
| Weight (without Stand) | 14.3 kg | 14.3 kg |
| Weight (with Stand) | 14.5 kg | 14.5 kg |
| Dimensions | 1228 (W) x 708 (H) x 45.9 (D) mm | 1228 (W) x 772 (H) x 235 (D) mm |
| Dimensions With Stand | 1228 (W) x 772 (H) x 235 (D) mm |
Video
| Video Formats Supported | AVI, Blu-ray, DVD, WAV, WMA, MPEG | |
| Image Formats Supported | JPEG | |
| Filmmaker Mode | Yes | |
| Picture Processor | α8 AI Processor 4K | |
| Picture Modes | Personalized Picture Wizard, Vivid, Standard, Eco, Cinema, Sports, Game, Filmmaker, (ISF)Expert(Bright Room), (ISF)Expert(Dark Room) | |
| Upscaling | Yes, α8 AI Super Upscaling 4K | |
| Wide Color Gamut | Yes, OLED Color | |
| Quick Media Switching (QMS) | Yes | |
| Motion Enhancement | OLED Motion |
Audio
| Audio Formats Supported | AC4, AC3(Dolby Digital), EAC3, HE-AAC, AAC, MP2, MP3, PCM, WMA, apt-X (Refer to manual) | AC3, EAC3, HE-AAC, AAC, MP2, MP3, PCM, DTS, DTS-HD, DTS Express, WMA, apt-X |
| Speaker Configuration | 2.0 Channel | |
| Speaker Direction | Down Firing | |
| Number Of Speakers | 2 | 2 |
| Total Speaker Output | 20 W | 20 W |
| Output Per Speaker | 10 W | 10 W |
| Sound Technology | Dolby Atmos | |
| WiSA Ready | Yes, Up to 2.1 Channel | |
| Adaptive Sound | Yes | |
| Other Audio Features | α8 AI Sound Pro (Virtual 9.1.2 Up-mix), Auto Volume Leveling | 2.0 Ch Speaker | Dolby Atmos Sound Configuration | AI Sound Pro with Virtual 5.1.2 up-mix | Built-in Stereo Surround Sound |
Connectivity
| USB Ports | 2 | 1 (Side), 1 (Rear) |
| HDMI Ports | 4 | 3 |
| RF Input (Analog Co-axial) Ports | 2 | 1 |
| Component Output Ports | 1 | |
| Headphone/Speaker Output Ports | 1 | |
| HDMI CEC | Yes, SimpLink | |
| HDMI Audio Return Channel | Yes, eARC (HDMI 3) | |
| Optical Digital Audio Out | Yes | |
| Screen Mirroring | Yes | Yes |
| Apple AirPlay | Yes | |
| Ethernet | Yes | Yes |
Gaming
| Variable Refresh Rate | Yes | |
| Adaptive Sync | Yes, G-Sync, AMD FreeSync | |
| HGiG | Yes | |
| Game Optimizer | Yes, Game Dashboard | |
| Auto Low Latency Mode (ALLM) | Yes |
Power Supply
| Voltage Requirement | AC 100~240V 50-60Hz | AC 100 - 240 V |
| Power Consumption (Stand-by) | 0.5 W | 0.5 W |
| Power Saving Mode | Yes |
Remote Control
| Universal Control Remote | Yes | Yes |
| Internet Access In Remote | Yes | Yes |
| Other Remote Features | Magic Remote |
Smart TV Features
| Smart TV | Yes | Yes |
| Operating System (OS) | webOS | |
| Wi-Fi | Yes | Yes |
| Band Support | 2.4G, 5G | |
| Wifi Version | Wi-Fi 5 | |
| Voice Assistant | Yes | |
| Bluetooth | Yes, v5.1 | Yes |
| Social Media Integration | Yes | Yes |
| Supported Apps | Netflix, Prime Video, Disney+Hotstar, YouTube, etc. | Netflix, Prime Video, Jio Cinema, MxPlayer, SonyLIV, Discovery+, Apple TV, Zee5, Many more, Voot, Youtube, YuppTV, Disney+, etc. |
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