| key specs |
| Display | 55.00-inch | 42.00-inch |
| Screen Type | QLED | LED |
| Dimensions | 1234.1 mm x 710.8 mm x 60.3 mm | 959 x 570 x 56.2 |
| Resolution Standard | Ultra-HD | Full-HD |
| OS | Tizen | - |
| Smart TV | Yes | No |
| general |
| Brand | Samsung | LG |
| Model | 55 Inch QLED Ultra HD (4K) Smart TV (QA55QEF6AULXL) | 42 Inch LED Full HD TV (42LF553A) |
| Model Name | QA55QEF6AULXL | 42LF553A |
| Display Size | 55 inch | 42 inch |
| Screen Type | QLED | LED |
| Color | Grey | Black |
| Resolution (pixels) | 3840x2160 | - |
| Resolution Standard | Ultra-HD | Full-HD |
| Smart TV | Yes | No |
| Launch Year | 2025 | 2015 |
| dimensions |
| Width x Height x Depth (without stand) | 1234.1 mm x 710.8 mm x 60.3 mm | 959 x 570 x 56.2 |
| Weight (without stand) | 10.8 kg | 9.2Kg |
| Width x Height x Depth (with stand) | 1234.1 mm x 758 mm x 237 mm | 959 x 611 x 218 |
| Weight (with stand) | 11.1 kg | 9.5Kg |
| Stand Type | Tabletop | - |
| connectivity features |
| No of HDMI Port | 3 | 2 |
| No of USB Port | 1 | 1 |
| Wi-Fi Type | Wi-Fi 5 | - |
| Headphone Jack | - | Yes |
| Audio Out | - | 1 |
| RF Connectivity Input | - | 1 |
| Component In (RGB Cable) | - | Component Input (Y, Pb, Pr + Audio): 1 (Rear) (Composite / Component Common) |
| Composite In (Audio Video Cable) | - | Component Input (Y, Pb, Pr + Audio): 1 (Rear) (Composite / Component Common) |
| audio features |
| Number of Speakers | 2 | 2.0Ch Speaker |
| Sound Technology | Sound Features: Powerful 20 W Sound Output, Object Tracking Sound lite, Q-Symphony, Bluetooth Audio, Adaptive Sound | Dolby Digital Decoder |
| Speaker Output RMS | 20 | 20W |
| Supported Audio Formats | MPEG, MPEG4, FLAC, OGG, WMA, wav, midi, ape, AIFF , ALAC | - |
| smart tv features |
| Processor | Q4 AI | - |
| RAM | 2GB | - |
| Storage Capacity | 8GB | - |
| Supported App - Youtube | Yes | - |
| Supported App - Netflix | Yes | - |
| Supported App - Hotstar | Yes | - |
| Supported App - Amazon Prime Video | Yes | - |
| Operating System | Tizen | - |
| power features |
| Power Consumption | 130W | 0.3 W |
| Other Power Features | AC 220-240V, 50-60Hz | - |
| video features |
| View Angle | 178 | - |
| Aspect Ratio | 16:09 | 16:09 |
| Refresh Rate (Hz) | 50 | 300 |
| Supported Video Formats | AVI, MKV, ASF, MP4, 3GP, MOV, FLV, VRO, VOB, PS, TS | - |
| Picture Engine | - | Triple XD Engine |
| remote control features |
| Battery Type | AA | - |
| RF Capable | - | Yes |