When comparing Sony X900F 55" (XBR55X900F) vs TCL R617 55" (55R617), the Slant community recommends Sony X900F 55" (XBR55X900F) for most people. In the question“What are the best TVs?” Sony X900F 55" (XBR55X900F) is ranked 41st while TCL R617 55" (55R617) is ranked 139th. The most important reason people chose Sony X900F 55" (XBR55X900F) is:
The overall picture quality of the Sony X900F is on par with what the best, high-end TVs in its price range offer. The X900F offers excellent performance when it comes to both bright and dark scenes thanks to its ability to recreate bright and vivid colors as well as some deep blacks.
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Pro Great overall picture quality
Pro Exceptional smoothness of motion
The Sony X900F does an excellent job of reproducing smooth and fluid motion thanks to its advanced flickering capabilities. The panel can flicker at the rate of 720 Hz which can eliminate motion blur. Only a few panels in this price range can flash that fast, which is good, as the majority of viewers will not notice such fast flickering.
Additionally, unlike the overwhelming majority of TVs present in this price range, the X900F can perform local flickering which ensures that the flickering doesn't take its toll on the overall brightness. Worth noting that the regular flickering of an LED panel reduces its brightness by about a half which can de-saturate some highlights and degrade the image.
Pro Good-looking picture
Regarding the overall picture quality, the TCL R617 performs on par with the noticeably pricier high-end TVs. In its price range, the TV offers exceptional performance no matter if it is placed in a dark or bright environment.
It can reproduce a wide range of bright and vibrant colors as well as some truly inky blacks because of its wide color gamut, high color accuracy, excellent gamma tracking, high native contrast ratio, and stellar peak brightness.
Colors pop and look realistic thanks to the low average color error dE of 2.33, which is noticeably below the color error margin that can be spotted by a human eye. Also, colors don't look flat due to the TV's near perfect gamma tracking. The colors look very bright thanks to the TV's high overall peak brightness that is measured at more than 700 nits. No other TV in this price range can get that bright.
Dark scenes look profound thanks to the high native contrast ratio and excellent uniformity of its blacks. The TV's native contrast ratio is measured at around 6000:1, which is significantly above what its competitors offer.
Pro Works well in a bright room
With this TV you will not have problems associated with reflections and glare even in fairly bright environments thanks to the TV's amazing brightness and semi-gloss screen finish that helps it to diffuse reflections fairly well.
The TV's peak brightness measures at around 700 nits, which is far above what the other TVs in this price range offer.
Con Doesn't look good from an angle
The TV's picture quality degrades noticeably while viewed from an angle.
Con Poor viewing angles
To enjoy the exceptional picture quality of this TV, you need to sit right in front of it as the overall picture quality of the R617 decreases drastically when viewed from an angle. Black levels start to degrade once the vertical viewing angle gets higher than 11 degrees.
Though, this is a widespread issue for the VA TVs.