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The Samsung S90F is a 42-inch 4K OLED smart TV, the smallest size in Samsung's 2025 OLED line. It uses a QD-OLED panel with 120 Hz refresh and Motion Xcelerator 144Hz, four HDMI 2.1 ports, HDR10+ and Dolby Atmos, and Samsung's NQ4 AI Gen3 processor running Tizen. That makes it unusually well equipped for a small OLED: most 42-inch OLEDs from LG and Sony carry fewer HDMI 2.1 ports and no Dolby Vision either, and the S90F matches that omission. It suits a bedroom, a desk or a small living room where a 55-inch set won't fit, and gamers who want a fast panel at close range.
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Owners of Samsung's S90F series praise the OLED contrast, the fast panel and the four HDMI 2.1 ports for gaming. Complaints center on the lack of Dolby Vision and on sound quality from the built-in speakers.
The Samsung S90F is a 42-inch flat OLED smart TV from the 2025 lineup. It has a 4K display with a resolution of 3840 x 2160 and a 120 Hz refresh rate. It supports HDR10+, HDR10 and HLG, and Motion Xcelerator 144Hz handles motion.
The TV is powered by the NQ4 AI Gen3 Processor and runs Tizen smart TV software. It has a LaserSlim design and supports Dolby Atmos audio. Google Assistant and Amazon Alexa are supported. It connects through Bluetooth, Wi-Fi, USB and HDMI, with four HDMI 2.1 ports.
