The display on this Samsung television measures 114.5″ and uses a QLED Mini-LED LCD panel capable of rendering 4K UHD content at a native resolution of 3840 x 2160 pixels, with a pixel density of 38 ppi and a 10-bit color depth covering up to 1070 million colors. It runs at a 144Hz refresh rate and supports AMD FreeSync, FreeSync Premium, and FreeSync Premium Pro for adaptive synchronization. HDR compatibility extends to HDR10, HDR10+, and HLG, while Dolby Vision is not supported. Viewing angles reach 178 degrees both horizontally and vertically, and the panel includes an anti-reflection coating along with an ambient light sensor for automatic brightness adjustment.
The Samsung QN115QN90FFXZA includes four HDMI 2.1 ports for high-bandwidth source connections, along with two USB ports and a single RJ45 ethernet port for wired networking. Wireless connectivity is handled through Wi-Fi 4 (802.11n) and Wi-Fi 5 (802.11ac), while Bluetooth 5.3 enables peripheral pairing, and Miracast is supported for wireless screen mirroring. There is no 3.5 mm headset jack, no external memory slot, and no VGA or DVI connector on this model.
The audio system includes stereo speakers with a built-in subwoofer and supports Dolby Atmos, Dolby Audio, Dolby Digital, and Dolby Digital Plus, covering a broad range of encoded audio formats. Digital Out is also supported, and the television features both HDMI ARC and HDMI eARC for passing audio to external sound systems. SRS TheaterSound HD and Dolby Virtual are not included on this model.
The Samsung QN115QN90FFXZA measures 2565.4 mm wide and 1468.1 mm tall, with a thickness of just 33 mm and a total volume of approximately 124,286.70 cm³. It weighs 86,001 g and supports VESA mounting for wall installation. The set is rated to operate within a temperature range of 10 °C to 40 °C.
This television runs a built-in smart TV platform with an integrated web browser, Chromecast, AirPlay, and support for voice commands through Google Assistant and Amazon Alexa, though Siri and Apple HomeKit are not compatible. The rechargeable remote control can also be substituted with a smartphone, and USB recording is available for capturing content directly. Additional convenience features include a sleep timer, child lock, and a standby power draw of just 0.5W against an operating consumption of 404W. Siri/Apple HomeKit compatibility is absent, and the set comes with a one-year warranty.