| key specs | 
| Display | 55.00-inch | 40.00-inch | 
| Screen Type | OLED | LED | 
| Dimensions | 122.8 cm x 70.7 cm x 4.69 cm | 944 mm x 566 mm x 40 mm | 
| OS | WebOS | - | 
| Smart TV | Yes | No | 
| Resolution Standard | 4K | Full-HD | 
| general | 
| Brand | LG | Sony | 
| Model | 55 Inch OLED Ultra HD (4K) TV (OLED55B8PTA) | 40 Inch LED Full HD TV (KDL-40HX850) | 
| Model Name | OLED55B8PTA | KDL-40HX850 | 
| Display Size | 55 inch | 40 inch | 
| Screen Type | OLED | LED | 
| Color | Grey | - | 
| 3D | No | - | 
| Smart TV | Yes | No | 
| Curve TV | No | - | 
| Launch Year | 2018 | - | 
| Resolution Standard | 4K | Full-HD | 
| Resolution (pixels) | 3840x2160 | 1920x1080 | 
| dimensions | 
| Width x Height x Depth (without stand) | 122.8 cm x 70.7 cm x 4.69 cm | 944 mm x 566 mm x 40 mm | 
| Weight (without stand) | 16.3 kg | 13.7 kg | 
| Width x Height x Depth (with stand) | 122.8 cm x 75.2 cm x 22 cm | 944 mm x 623 mm x 268 mm | 
| Weight (with stand) | 17.8 kg | 17.4 kg | 
| connectivity features | 
| No of HDMI Port | 3 | 4 | 
| No of USB Port | 1 | 2 | 
| Wi-Fi Type | WiFi Direct | Built-in Wi-Fi | 
| Built In Wi-Fi | Yes | Yes | 
| Digital Audio Output | 1 | 1 (Bottom) | 
| RF Connectivity Input | 1 | 1 (Bottom) | 
| Component In (RGB Cable) | Component In Y,Pb,Pr Plus Audio: 1 Composite/Component Common | 1 (Rear Hybrid with Composite) | 
| Ethernet (RJ45) | - | 1 | 
| Headphone Jack | - | 1 (Side, Hybrid with Audio Output) | 
| Analog Audio Input | - | Yes | 
| audio features | 
| Number of Speakers | 2 | - | 
| Sound Technology | Dolby Digital Decoder, DTS Decoder, Dolby Atmos | Dolby Digital, Dolby Digital Plus, Dolby Pulse | 
| Surround Sound | Dolby Surround, OLED Surround | S-Force Front Surround 3D | 
| Speaker Output RMS | 40 W | - | 
| Supported Audio Formats | Audio Codec: AC4, AC3 Dolby Digital, EAC3, HE-AAC, AAC, MP2, MP3, PCM, DTS, DTS-HD, DTS Express, WMA, apt-X | - | 
| power features | 
| Power Consumption | 0.3 W (Standby) | - | 
| remote control features | 
| Touch Remote | No | - | 
| Smart Remote | Yes | - | 
| RF Capable | Yes | - | 
| smart tv features | 
| Supported App - Youtube | Yes | - | 
| Supported App - Netflix | Yes | - | 
| Operating System Present | Yes | - | 
| Operating System | WebOS | - | 
| Screen Mirroring | Yes | - | 
| video features | 
| Aspect Ratio | 16:09 | 16:09 | 
| Supported Video Formats | MPEG | - | 
| Refresh Rate (Hz) | 120 | - | 
| Picture Engine | - | X-Reality PRO | 
| View Angle | - | 178 Degree |