Quick/Comparisons
| 50 in 4K, 3840 x 2160 pixels | Display | 55 in 4K, 3840 x 2160 pixels |
| Yes | Wi-Fi | Yes |
| Yes | Internet Access In Remote | — |
Compare with something else?
Compare Acer Ultra I with another →| 50 in | Size (Diagonal) | 55 in |
| 4K, 3840 x 2160 pixels | Screen Resolution | 4K, 3840 x 2160 pixels |
| 60 Hz | Refresh Rate | 50 Hz |
| 16:9 | Aspect Ratio | 16:09 |
| — | Viewing Angle | 178 ° Horizontal |
| Yes | HDR | Yes |
| HDR10, Dolby Vision | HDR Format Types | HDR10, HLG |
| — | Anti Reflection | — |
| — | Other Display Features | — |
| 2 | USB Ports | 2 (Side) |
| 3 | HDMI Ports | 2 (Side), 1 (Rear) |
| 1 | RF Input (Analog Co-axial) Ports | 1 (Side) |
| — | Headphone/Speaker Output Ports | — |
| — | HDMI Audio Return Channel | Yes, eARC |
| — | Optical Digital Audio Out | Yes |
| Yes | Screen Mirroring | Yes |
| — | Apple AirPlay | Yes |
| — | Miracast | — |
| — | Built-In Chromecast | Yes |
| Yes | Ethernet | Yes |
| — | Audio Formats Supported | — |
| — | Number Of Speakers | 2 |
| 36 W | Total Speaker Output | 20 W |
| — | Output Per Speaker | 10 W |
| Dolby Atmos | Sound Technology | Dolby Audio |
| — | Sound Modes | — |
| AR50UDGGU2875BD | Model | 55S25 |
| LED | Type | LED |
| 1 Year | Warranty | 1 Year |
| 1N Television, Remote Control 1N, Stands 2N, AAA Batteries 2N, Mini AV Cable 1N, Screws 4N, Power Cord 1N, Wall Mount Kit 1N | In The Box | 1 TV, Table Top Stand, Warranty Card, AC Power Adapter, AC Power Cord, Standard Remote, Quick Setup Guide, 2 AAA Batteries |
| 2025 | Launch Year | 2024 |
| — | Variable Refresh Rate | — |
| — | HGiG | — |
| — | Auto Low Latency Mode (ALLM) | Yes, HDMI 3 |
| — | Weight (without Stand) | — |
| 1110 (W) x 651.8 (H) x 88.6 (D) mm | Dimensions | 1243 (W) x 729 (H) x 84 (D) mm |
| 1110 (W) x 703.1 (H) x 297 (D) mm | Dimensions With Stand | — |
| — | Voltage Requirement | AC 100 - 240 V, 50/60 Hz |
| — | Power Consumption | — |
| 0.5 W | Power Consumption (Stand-by) | 0.5 W |
| — | Universal Control Remote | — |
| Yes | Internet Access In Remote | — |
| Yes | Smart TV | Yes |
| Google TV | Operating System (OS) | Google TV |
| Google Play Store | APP Store Type | Google Play Store |
| Yes | Wi-Fi | Yes |
| 2.4GHz, 5GHz | Band Support | 2.4GHz/ 5GHz |
| — | Voice Assistant | — |
| Yes | Voice Search | Yes |
| Yes | Bluetooth | Yes, v5 |
| 2 | Processor Cores | — |
| — | Graphics Processor (GPU) | — |
| 2 GB | RAM | — |
| 16 GB | Storage | 16 GB |
| Prime Video, Netflix, JioHotstar, YouTube, etc. | Supported Apps | Netflix, Prime Video, YouTube, Disney+Hotstar, etc. |
| — | Other Smart Features | — |
| — | Video Formats Supported | — |
| — | Image Formats Supported | — |
| — | Filmmaker Mode | — |
| — | Picture Processor | 4K Processor X1 |
| — | Upscaling | — |
| — | Wide Color Gamut | — |