When comparing LG SJ9500 65" (65SJ9500) vs LG UJ6300 43" (43UJ6300), the Slant community recommends LG UJ6300 43" (43UJ6300) for most people. In the question“What are the best TVs?” LG UJ6300 43" (43UJ6300) is ranked 49th while LG SJ9500 65" (65SJ9500) is ranked 83rd. The most important reason people chose LG UJ6300 43" (43UJ6300) is:
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.
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Pro Good for gaming
The LG SJ9500 makes an excellent for every current-generation gaming console because of it's excellent motion handling capabilities and high responsiveness.
The motion appears smooth and blur-free thanks to the TV's fast full pixel response time that measures at around 15.6 milliseconds. Because of that, the pixel color change happens fast, and no artificial motion blur is introduced.
Pro Good for watching with a crowd
This TV works very well in rooms where people sit on the side of the TV and view it at an angle because of the wide viewing angles of the LG SJ9500. The colors and brightness levels of the TV start to shift only when the viewing angle reaches 30 degrees, which is a by far better result than what the majority of LED TVs in this price range offer.
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.
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.
Con Can't produce inky blacks
The LG SJ9500 is not the best option for those looking for a home theater TV because of its sub-par blacks that look washed-out when the TV is placed in a dark room. The TV's overall black uniformity measures at the standard deviation of around 2%; this is a weak result considering that some of the current-generation competitors offer up to four times more uniform, blacks.
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.