When comparing Sony X720E 55" (KD55X720E) vs LG UK7700 55" (55UK7700PUD), the Slant community recommends LG UK7700 55" (55UK7700PUD) for most people. In the question“What are the best TVs?” LG UK7700 55" (55UK7700PUD) is ranked 110th while Sony X720E 55" (KD55X720E) is ranked 166th. The most important reason people chose LG UK7700 55" (55UK7700PUD) is:
The UK7700 is an excellent companion to any sports fan out there thanks to the TV's ability to display clear motion and the high overall uniformity. Motion looks clear thanks to the TV's ability to change the colors of its pixels only within 12.8 ms. This eliminates the traces of motion blur, thus making the overall picture clear. The large sports fields don't look washed-out thanks to the TV's high overall uniformity that measures at around 3.3% of the standard deviation - rarely high parameter for a TV in this price bracket.
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Pro Excellent viewing angles
The X720E has excellent viewing angles because of its IPS panel, which gives you greater freedom than VA panels when it comes to finding a good viewing spot. In fact, you will only notice a minor color shift if your viewing angle is greater than 41 degrees.
Pro No problems with image retention
Unlike the majority of OLED panels, this LED TV does not suffer from image retention problems. You can leave the TV on for long periods without having to worry about pixel damage.
Pro Well-rounded inputs
Regarding connectivity, this TV is has everything you'd currently want. It has three HDCP 2.2 compliant HDMI 2.0 ports, digital and analog audio output ports, and an Ethernet port. Additionally, as the TV has a composite input interface, you can enjoy playing your retro consoles, such as the Nintendo and Sega without having to go through the hassle of signal conversion. HDMI, USB, and analog coaxial ports are situated on the side of the TV so you won’t have any problem accessing them even if it’s mounted on a wall.
Pro Ads-free main interface
The main interface of the smart OS does not feature advertisements or sponsored content.
Pro Excellent for upscaling content
This TV does a fantastic job when it comes to upscaling low-resolution content. In a nutshell, it can upscale 480p, 720p, and 1080p content to 4K resolution while preserving details and sharp edges. Great for those with a collection of old DVDs or Blu-ray disks.
Pro Excellent for console gaming
The Sony X720E is a great companion to latest gen consoles, like the Xbox One X, PS4 Pro, and Wii U because of its 4K60 support, low input lag, and motion blur candling capabilities.
Furthermore, the TV’s full HDR support allows you to fully experience HDR-enhanced games such as World of Tanks, FIFA 18, etc.
Pro Great for bright rooms
The combination of reasonably high peak brightness and semi-gloss screen finish allows this TV to deal with reflections and glare efficiently. Its 340 nits of brightness are almost double than what its direct competitor, the TCL S405, offers. Furthermore, the X720E diffuses up to 97.6% of ambient light; thus the TV does not suffer from reflections.
Pro Ideal for watching sports
The UK7700 is an excellent companion to any sports fan out there thanks to the TV's ability to display clear motion and the high overall uniformity.
Motion looks clear thanks to the TV's ability to change the colors of its pixels only within 12.8 ms. This eliminates the traces of motion blur, thus making the overall picture clear.
The large sports fields don't look washed-out thanks to the TV's high overall uniformity that measures at around 3.3% of the standard deviation - rarely high parameter for a TV in this price bracket.
Pro Excellent for up-scaling
The LG UK7700 does an excellent job when it comes to upscaling the low-resolution content thanks to its good image processing capabilities. The TV can seamlessly upscale the 480p, 720p, and 1080p content to its native resolution of 4K.
Con Dark scenes look shallow
Because of the really low native contrast ratio of 907:1, dark scenes look washed out if the TV is placed in a dark environment.
Con Non-intuitive smart OS
Unlike other Sony TVs, the X720E has a custom, Linux based operating system which runs the Opera TV application store. OS is unintuitive and confusing to use.
Con Not suitable for competitive gaming
While the TV's input lag of 19.7 ms is noticeably smaller than the overwhelming majority of TVs on the market, it still can not compete with rapid TN gaming monitors when it comes to fast and competitive gaming. The input lag of such panels can go all the way down to 3 ms.
Con Built-in speakers don’t sound right
The X720E comes with an integrated 20W 2.0 stereo speaker system. While it can get pretty loud (around 100 dB), the quality of sound is very weak, especially when it comes to bass. The speakers sound unclear and muddy.
Con Not compatible with Dolby Vision
When it comes to HDR content, the X720E cannot display Dolby Vision-compliant content as it is only limited to HDR10 content. Even though HDR10 has more available content, multiple services require Dolby Vision for HDR playback.
Con Can’t unleash full potential of HDR content
Even though this TV does support HDR10 media, the low HDR peak brightness, poor native contrast, lack of local dimming, and lack of wide color gamut severely limit the quality of HDR playback. Even some lower tier TVs will produce higher quality HDR images.
Con Can't fight clare
The LG UK7700 offers poor performance if placed in a bright environment. There, the TV simply can't fight glare because of it's low overall brightness.