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The Insignia F50 series is superior to the F40 series, offering a better picture with Quantum Dot technology, Dolby Vision HDR, and DTS Virtual:X audio. The F50 series also has more advanced features like HDMI eARC, multiple HDMI 2.1 ports for gaming, and a wider range of screen sizes. The F40 series is generally a lower-end model, with basic LED, 1080p resolution, and 60Hz refresh rate specifications.
Sorry, there was a problem. Please try again later.Insignia products don't have an F40 Series TV. If you're looking to compare the F50 series with other F series televisions, you can use the comparison features available for the TVs you're interested in. Patricia | Insignia Support
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