Core Insights - The article discusses the best 4K TVs available, emphasizing that resolution alone does not guarantee picture quality, with factors like contrast, color accuracy, and brightness being crucial for performance [1][2]. Group 1: Best Overall Picks - The Samsung S90F OLED is highlighted as the best overall 4K TV due to its stunning contrast, vibrant colors, and deep black levels [2][10]. - The TCL QM6K is recommended as the best budget option, offering excellent picture quality at a lower price point, although it does not achieve the brightness of higher-end models [2][24]. Group 2: Specific Recommendations - The LG C5 is noted as the best midrange OLED, providing high contrast and deep black levels, with a peak brightness of around 1,175 nits [33][38]. - The Samsung S95F is recognized for its anti-glare display, featuring a peak brightness of 2,170 nits, making it ideal for bright rooms [45][50]. Group 3: Smart TV Systems - The Roku Pro Series is praised for its simple and reliable interface, rechargeable voice remote, and hassle-free setup, making it a strong choice for users seeking an easy smart TV experience [56][60]. - The TCL QM7K is highlighted as the best mid-tier QLED, featuring a Mini LED backlight with local dimming and a peak brightness of about 1,800 nits, enhancing HDR performance [70][76]. Group 4: Performance Metrics - The Samsung S90F measures a peak brightness of 1,460 nits, which is about 200 nits higher than its predecessor, the S90D [12][10]. - The TCL QM6K achieves a peak brightness of 557 nits on a 10% HDR test pattern, which is competitive for its price range [26][24].