
Samsung QN77S90F 77-Inch OLED 4K Smart TV
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The Samsung QN77S90F is a 77-inch OLED 4K smart TV with self-emissive pixels that produce true blacks and an effectively infinite contrast ratio. It suits large living rooms and executive spaces where deep blacks and wide viewing angles matter. Compared with LED and QLED rivals, it delivers better contrast and no blooming, but it cannot match their peak brightness. Reviewers praise its picture quality, though some note the risk of permanent image retention.
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Reviewers and owners praise the S90F for its deep blacks, wide viewing angles, and clean HDR presentation. Some criticise its lower brightness compared to LED rivals and note the potential for image retention with static content.
The Samsung QN77S90F is a 77-inch OLED 4K smart TV. Each pixel produces its own light and can turn completely off, which gives true black and an effectively infinite contrast ratio. There is no backlight array.
Its OLED HDR processing renders color volume and highlights across the panel, with no halo or bloom around bright objects on dark backgrounds. The panel keeps color accuracy and contrast at wide horizontal and vertical viewing angles. The slim OLED form factor allows direct wall mounting without visible standoff depth.
Samsung Knox provides enterprise device management. Bixby, Alexa and Google Assistant are supported for voice control. IP-based LAN control is available, and the FA variant does not include RS-232c.




