When comparing Sony X720E 49" (KD49X720E) vs LG UJ6300 65" (65UJ6300), the Slant community recommends Sony X720E 49" (KD49X720E) for most people. In the question“What are the best TVs?” Sony X720E 49" (KD49X720E) is ranked 13th while LG UJ6300 65" (65UJ6300) is ranked 136th. The most important reason people chose Sony X720E 49" (KD49X720E) is:
The Sony X720E makes an excellent computer monitor because it can smoothly display sharp and crisp images since the TV has full 4:4:4 color support, short input lag, and well-handled motion blur. The full 4:4:4 color support allows the X720E to process non-compressed, computer-generated video inputs. Therefore, the TV can display sharp and crisp images, without any detail loss. This is especially noticeable while working with text and other vector graphics. Additionally, the TV’s input lag of 19.7 ms ensures that it takes less than 20 ms for a TV to display an image change after you press a button. Such delay is almost unnoticeable to a human's eye.
Specs
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Pros
Pro Makes an excellent computer monitor
The Sony X720E makes an excellent computer monitor because it can smoothly display sharp and crisp images since the TV has full 4:4:4 color support, short input lag, and well-handled motion blur.
The full 4:4:4 color support allows the X720E to process non-compressed, computer-generated video inputs. Therefore, the TV can display sharp and crisp images, without any detail loss. This is especially noticeable while working with text and other vector graphics.
Additionally, the TV’s input lag of 19.7 ms ensures that it takes less than 20 ms for a TV to display an image change after you press a button. Such delay is almost unnoticeable to a human's eye.
Pro Excellent for console gaming
The combination of handled motion blur and low input lag makes this 4K60 TV a great companion to the latest generation consoles, like the Xbox One X, PS4 Pro, and Wii U. Additionally, the TV’s full HDR support allows you to fully experience HDR-enhanced games such as World of Tanks, FIFA 18, etc.
Pro The stand does not take up too much space
The 43-inch model of Sony X720E does not take up too much space on a work desk as the TV comes with a compact, 9.4-inch by 21.9-inch stand.
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 Suitable for viewing up-front
The reasonably small panel size of 43-inch means you can still be comfortable looking at the screen up close. Therefore, you can conveniently use this TV as a computer monitor and sit as close as 2.2 feet away from it.
Pro Ads-free main interface
The main interface of the smart OS does not feature advertisements or sponsored content.
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 Nintendo or 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 Excellent for upscaling
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 viewing angles
The IPS panel of the Sony X720E gives you an extra bit of flexibility when it comes to finding a good viewing spot as its maximum viewing angle is 41 degrees; a double of what the competitors with VA panels can offer.
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 more than what its direct competitors, including The VIZIO M-series and Samsung MU6300 offer. Furthermore, as the X720E diffuses up to 97.6% of ambient light, it does not suffer from reflections.
Pro Excellent for watching sports
The Sony X720E has all the bits and pieces needed to deliver the excellent experience of watching sports and other fast-paced content. The TV has good control over its motion blur, excellent color uniformity, and wide viewing angle.
The X720E needs only 7.5 ms for its pixels to change their color; as a result, fast-moving objects don’t leave long trails on the screen, meaning that the motion blur effect is almost negligible.
Good color uniformity is another parameter that really makes a difference when watching sports. It allows the TV to display beautiful and uniform sports fields and pitches, without any unwanted artifacts. The maximum color deviation of this TV is below 2.5%, which means that the TV can sustain stable and uniform colors throughout its screen. The X720E has the best color uniformity in its range.
Pro Has an excellent smart TV platform
The UJ6300 runs on the webOS smart platform. It has a great ecosystem of apps, ranging from media streaming services (Netflix, Amazon, YouTube, etc.) to third-party apps. Support for these apps are also first-class with up-to-date features and good performance; for instance, the YouTube app supports 360-degree video playback.
Pro Handles reflections well
The UJ6300 does a decent job at lowering the intensity of glare. Reflections are kept to a minimum thanks to the panel's semi-gloss finish. In fact, only around 1.9% of total light is reflected - a feat surpassed only by a handful of higher-end TVs.
Pro Fairly good upscaling capabilities
The UJ6300 can upscale 480p, 720p, and 1080p content quite well. The majority of details will be preserved, although there might be some artifacts on the sides of an image.
Pro Compatible with current-gen consoles
The UJ6300 will run content from the PS4 Pro and Xbox One X smoothly, and its input lag stays low at ~13ms even with HDR-enhanced 4K content. You will not notice any increased delay when switching from SDR gaming mode to HDR.
Pro Good at handling dynamic content
The UJ6300 is great at handling motion, making it a good choice for displaying fast and dynamic content. Fast-moving objects don't leave any discernible trails behind them, thanks to its low motion blur of only ~17ms.
Pro Good for gaming
The UJ6300 is a decent choice for gaming thanks to its extremely low input lag, excellent response time, and full 4K 60 FPS support.
In terms of input lag, this TV outperforms almost every currently available high-end TV. The low input lag makes the TV great for fast games. The motion blur is really low at ~17ms, so fast-moving objects won't leave any trails at all.
It’s also compatible with 60 Hz 4K input which makes it suitable for high-end console gaming.
Cons
Con Dark scenes look shallow
Due to 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. The OS is unintuitive and confusing to use.
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, peaking at the sound pressure level of 100 dB, the quality of sound is very weak, especially when it comes to bass. The speakers sound unclear and muddy.
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 Not suitable for competitive gaming
While this TV has noticeably smaller input lag than the overwhelming majority of TVs on the market, it still can not compete with rapid TN monitors when it comes to fast and competitive computer gaming.
Con Can’t fight judder in 60 Hz signal
The Sony X720E can't handle judder in 24p content sourced from the 60p/60i devices, like a cable or satellite box, or Apple TV. Such content contains so-called '2:3 judder' which means that the frame distribution among the timeline is inconsistent.
Con Lacks Dolby Vision support
When it comes to HDR content, the X720E cannot display Dolby Vision-compliant media as it is only limited to HDR10 content.
Con Requires an external power brick
Both the 43-inch and 49-inch models of the Sony X720E have large and bulky external power bricks. Bulky PSUs can be a hassle to deal with especially if you’re mounting your TV on a wall.
Con Some artifacts might occur
Because of the TV’s specific RGBW pixel structure, some unwanted artifacts might occur while the TV is displaying 4K content. The problem with the RGBW pixel structure is that only 75% of the total panel's pixels can produce colors, which results in lower quality and less detailed picture.
Con The remote looks outdated
Apart from some tiny details, it seems like LG adapted their old remote from 2016 to the UJ6300. The remote is as basic as it can get. It does not have any smart functions that can be found on higher-tier LG TVs. In fact, it is very disappointing that this TV does not have LG’s new Magic Remote.
Con Suffers from minor image retention
The UJ6300 suffers from minor image retention issues. If a static image is on the screen for more than 10 minutes, it gets burned in and you'll be able to see it retained on the screen faintly, which is really unpleasant. Fortunately, this does not cause permanent pixel damage and disappears in around 5 minutes.
Con Can't handle intense glare
The UJ6300 can’t fight glare well in really bright environments because of the panel’s low peak brightness level. The brightness peaks at only ~170 nits for SDR, which is really low. Even cheaper and lower-tier TVs are usually brighter.
Con Dark scenes look bad
The UJ6300 fails to reproduce deep and uniform blacks. Its dark images look smoky and grey-ish, which makes many dark scenes look awful. Furthermore, the panel’s low contrast ratio of only 1314:1 makes the blacks look distorted and flat.