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Panasonic JX850 Review

Panasonic JX850 Review
For a reasonable price, the Panasonic JX850 offers great 4K HDR picture performance and plenty of streaming services, though gamers wanting 120Hz refresh rate will need to look elsewhere.

Should I Buy The Panasonic JX850 (2021)?

Pros
  • Excellent bright room performance
  • Punchy HDR
  • Low input lag for gaming
Cons
  • No 120Hz support
  • Basic sound system
  • Edge light pooling at times
Our Verdict
  • This Panasonic a 4K LED Dolby Vision TV is a smart buy if you're after a screen suitable for movies, sports and 60Hz gaming. Using an HDR Bright Panel Plus screen, it’s particularly good in rooms with high ambient light.

Price When Reviewed

  • Unavailable in the US
Panasonic is best known for the cinematic image quality of its 4K screens like the JZ2000, but with the JX850 it’s looking to satisfy a rather different demographic with a much lower price. Here, overall panel luminosity is high, making this a screen for bright room sports and gaming fans.

The more affordable JX- model in the Panasonic stable, the JX850 lacks the 120Hz HDR Cinema Display Pro panel used in the range-topping JX940. It also drops Dolby Vision IQ, found on that step-up model.

However, the TV does boast Filmmaker mode with Intelligent Sensing, and supports Dolby Vision and HDR10+ Adaptive formats, in addition to the HDR10 and HLG (Hybrid Log Gamma). So it’s certainly no slacker.

Audio compatibility extends to include Dolby Atmos, which can be routed from the set over HDMI eARC to an external sound system. All this with prices starting at £529 for a 50in model which is the one on test here.

Design & Build

The JX850 looks and feels premium for that reasonable price. The screen has a wafer-thin bezel and sits on a wide pedestal, which slots in like two separate feet. The panel itself is positioned on top of the frame, creating a novel two-step border; it’s a design trick we’ve seen before from the band, but it adds a premium flourish.

Edge-lit, it’s slim at just 63mm, and tips the scale at 16kg with a stand (which, it has to be said, requires quite some assembly!).
Panasonic JX850 Review

There are three HDMI inputs, all ALLM (Auto Low Latency Mode), and there’s eARC for sending audio to a soundbar. There’s no support for 120Hz playback which requires HDMI 2.1, so next-gen gamers hoping to see their consoles like the PS5 hit 120fps will need to look elsewhere.

Additional connections include analogue AV, a digital optical audio output and Ethernet, to support Wi-Fi and Bluetooth. Dual Bluetooth connectivity means the set will transmit to two paired headphones simultaneously, for private listening which is neat. There are also two USB ports should you need them.
Panasonic JX850 Review

The TV comes with a button-heavy remote control that includes shortcuts for Netflix, Amazon Prime Video, Rakuten TV, YouTube and Freeview Play.

Specs & Features

The JX850 runs the latest version of Panasonic’s own smart TV portal, my Home Screen 6.0. This new iteration introduces My Scenery, which allows users to select images and videos to provide background ambience - a little like  Samsung's The Frame - and also comes with an On Timer which allows you to set a wake-up call, with channel selection.

The JX850 also works with Amazon Alexa and Google Assistant, so you can use voice commands to check the weather or news, as well as control the screen.

Streaming service support covers all the top line attractions, including Netflix, Prime Video, Rakuten, Apple TV, Brit Box, YouTube and Disney+.
Panasonic JX850 Review

The set also has a Freeview Play tuner, which delivers all main channel UK Catch-Up TV services, including BBC iPlayer, ITV Hub, All 4, My5 and UKTV Play - and yes, the BBC iPlayer app supports 4K. However, there’s no satellite tuner option on this model.

Despite the lack of 120Hz, and VRR (variable refresh rate), the screen is a decent buy for console owners. I measured input lag at 10.4ms (1080/60) with Game mode selected. That should be more than good enough to keep you ahead of the competition.

Picture & Sound Quality

The JX850 certainly makes good on its Bright Panel Plus promise of higher than average picture levels. The panel has a wide colour gamut, for maximum pop.

The set runs Panasonic’s next-gen HCX Pro AI processor, which in addition to the usual selection of image presets (Normal, Cinema, True Cinema, Sport, Game, Custom and Dynamic), offers an Auto AI picture setting, which is smart enough to detect content and adjust image parameters accordingly.

Any suspicions Auto AI would not sensibly balance the demands of movies and sport prove largely unfounded, and for most users, this would be my recommended viewing option. But it does favour image interpolation, courtesy of Panasonic’s icy smooth Intelligent Frame Creation cocktail.
Panasonic JX850 Review

I rate the TV’s HDR performance slightly above average for its class. Peak HDR brightness was measured just shy of 500 nits using the Normal preset, within a 10% measurement window, and the Adaptive Backlight set to Off.

Watch Dolby Vision content, and the viewing options change to Dolby Vision Bright, Dolby Vision Dark and Dolby Vision Vivid. My preference here was for Dolby Vision Dark, as the set is intrinsically bright to start with.

Dolby Vision Bright seems to rob the image of contrast and punch. When watched in a room with high ambient light, Dolby Vision Vivid actually looked pretty good. However, when you select Dolby Vision Vivid, motion interpolation on its Max setting kicks in, with smoothing clearly visible.

Edge lighting invariably brings issues. I noted some backlight uniformity problems, with light pooling around the bottom of the screen, but this is only really noticeable in certain situations, for example when watching a letterbox movie. For general full-screen viewing, the evenness of tone is quite acceptable.

Panasonic describes the set as having Local Dimming Pro technology, but this shouldn’t be confused with true local dimming and zone control. It’s actually a reference to some sophisticated light control around the edge of the panel.
Panasonic JX850 Review

The set has a fairly routine two-channel audio system, powered by 2x10W amplification. Audio modes cover Standard, Music, Speech, Stadium and User. Onboard audio is perfunctory, but not short of volume.

The Sports preset boosts greens and blues in the image, and also applies post-processing on the audio front to create an enhanced sense of ambience. It’s quite effective.

Helpfully, the JX850 is compatible with Dolby Atmos, and will route immersive audio out of the set to a compatible soundbar for more cinematic sound.

Price

The JX850 is available in 40-, 50-, 58- and 65in screen sizes (TX-40JX850B, TX-50JX850B, TX-58JX850B and TX-65JX850B), priced at £599, £529, £599 and £699.99 respectively.

You can buy it from Amazon, Currys, Laptops Direct, Argos, AO and Richer Sounds.

The model on our test bench is the 50-incher. The line is flanked by the JX940 series (available in 55-, 65- and 75in sizes), and the JX800 series (40-, 50, 58- and 65in).

Panasonic doesn’t sell TVs in North America, or a corresponding model in Australia, although there are similarities with the GX850, available in 55-, 65- and 75in models (TH-55GX850A, TH-65GX850A and TH-75GX850A).

Verdict

In many ways, the JX850 is an atypical LED TV from Panasonic. It’s clearly got traditional LG and Samsung buyers in its sights, offering a performance optimised for daylight rather than late-night viewing.

The brand’s HCX Pro AI processor, with its Auto AI picture setting, is particularly impressive. I also like the brand’s customisable My Home smart platform and the screen’s overall design is the right side of premium.

Its gaming appeal is also considerable, provided you’re not fixated on HFR playback, thanks to its low latency performance but there's no 120Hz support here.

Other small downsides include a basic sound system and some pooling from the edge lighting, particularly when watching letter-box content.

Long story short: the Panasonic JX850 is an excellent screen given its upper budget price tag, and well worth short-listing.

Specs

  • Sizes: 40/50/58/65in
  • Model tested: 50in
  • Display technology: LED LCD
  • Resolution: 3840 x 2160 4K
  • HDMI: x3
  • Smart Platform: My Home Screen 6.0
  • Tuner: Freeview Play
  • HDR support: Dolby Vision, HDR10, HDR10+, HLG, HLG Photo
  • Dimensions:1120(w) x 651(h) x 63(d)mm
  • Weight: 14kg

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About Wanni Arachchige Udara Madusanka Perera

Hey, I'm Perera! I will try to give you technology reviews(mobile,gadgets,smart watch & other technology things), Automobiles, News and entertainment for built up your knowledge.
Panasonic JX850 Review Panasonic JX850 Review Reviewed by Wanni Arachchige Udara Madusanka Perera on Friday, May 13, 2022 Rating: 5

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