Panasonic TC-50CX600U 4K LED TV Review

50 in.

A decent, affordable 4K TV with a few flaws that might be deal-breakers for cinephiles.

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Panasonic has somewhat of a cult following in the A.V. community due to its penchant for catering to videophiles. Take last year's flagship AX900U, which featured killer contrast and color rivaled the plasmas of yore, stuffed in a handsome package. With pedigree like that under its belt, we were eager to see if Panasonic could bring some of that mojo down to its very affordable 2015 sets.

The Panasonic TC-50CX600U (MSRP $999.99) is a 50-inch smart TV that's ready to display a world of 4K content right out of the box. And although it doesn't quite reach the dizzying heights of last year's AX900U, it's still a heck of a bargain in a 4K TV market starved of bargains.

But while it looks great, our lab testing revealed a few nagging issues you'll want to be aware of. While that may turn off cinephiles, you may want to take a flier on this one if you don't consider yourself to be a purist.

The Design

Panasonic's got a long track record of building sturdy-but-attractive TVs, and that trend will continue in 2015. Between the CX600U and the CX800U, we've had a lot of Pannny hardware to appreciate so far this year.

The CX600U's panel is built from tough, dark gray plastic, with thin bezels that yield all attention to the screen. Its stand—a hollow, front-heavy rectangle—is the latest in an industry-wide trend to break free of the shackles of boring, simplistic stands (though it's not exactly the most abstract-looking one we've ever seen).

Panasonic TC-50CX600U Stand
Credit: / Michael Desjardin
The TV's hollow, rectangular stand is attractive and doesn't distract from the picture.

Around back you'll find a cutout that houses just about every input you'll ever need to revel in glorious, 4K content. All three of its HDMI ports are HDCP 2.2-compliant and support 4K content at 60 Hz. If that wasn't enough, one of the TV's three USB ports is USB 3.0, which means that if you're so inclined, you'll be able to enjoy 4K content from a USB device right out of the box.

The rest of the usual suspects are here, too: combination component/composite inputs, a digital audio output, a coax jack, and an ethernet port. Naturally, the CX600U also supports WiFi, should you decide that an ethernet cable is one cable too many.

Panasonic TC-50CX600U Remote Control
Credit: / Michael Desjardin
Unlike the CX800U, the CX600U does not include Panasonic's touchpad remote, so user's will initially be stuck with this basic clicker.

The only remote control included with the TV isn't exactly a high-end one; it doesn't support voice commands or gesture controls and doesn't have a touchpad. If you're really hurting for some of these bells and whistles, you can always pick up a more sophisticated clicker from Panasonic's website.

As someone who uses a variety of TV remotes on a daily basis more than most people, I do have a minor bone to pick with the one included with the CX600U: The designated Netflix button is so close to the top directional button and so similar in shape that I frequently find myself launching the Netflix app when all I want to do is scroll up through a menu or jump up a row on an on-screen keyboard.

In a world of bulky, cookie-cutter television hardware, I have to give Panasonic props for making another attractive, sturdy TV, even if it doesn't exactly break the mold. The best thing I can say about the CX600U's design is that, although it might not wow people who long for curved, smartphone-thin panels or leaf-shaped stands, it's not likely to offend anyone, either.

Smart Features

Most of Panasonic's smart TVs this year—including the CX600U–are powered by Firefox OS. While that may sound exciting, you might want to temper your expectations; the platform itself is a bare-bones affair, taking the same rudimentary approach we've come to expect from most smart platforms.

Panasonic TC-50CX600U Smart Platform Home Screen
Credit: / Michael Desjardin
Press the "Home" button on the remote and you'll see this screen, which can be customized based on the apps you use most often.

Pressing the "Home" button on the remote brings up a customizable menu of spherical-shaped icons. The default selection of icons consists of "Apps," "Live TV," and "Devices." Selecting the Apps icon will take you to the platform's main hub, which contains a complete list of every installed app. These can be pinned to the home menu depending on which ones you use most often. You can also jump right to the main hub by pressing the "Apps" button on the remote.

The "Live TV" icon is pretty self-explanatory, but it's hardwired to the TV's coaxial jack, so if your cable box is hooked up via HDMI, you won't be able to take advantage of this feature.

Panasonic TC-50CX600U Smart Platform Main Menu
Credit: / Michael Desjardin
Press the "Apps" button and you'll be taken to the smart platform's main menu.

In a world of black-and-gray grids that lack personality, Panasonic should be commended for its attempt to make its smart platform colorful and bubbly. Aesthetically, it reminds me a bit of LG's webOS, but where webOS zips along with the slickness of a well-oiled machine, Panasonic's UI plods. Part of the problem is the sluggish response time, but the basic remote isn't helping, either.

The 60-inch Panasonic CX800U includes a touchpad-centric remote control that makes cycling through apps and scrolling through pages in the web browser a more fluid experience. Without it, users are stuck with the basic directional buttons on the basic Panasonic remote.

Picture Customization

When it comes to advanced controls, Panasonic aims to please the purists more than most manufacturers in the game. The CX600U is no different, offering a variety of picture customization options for both casual and professional calibrators. I've delved into some of the finer aspects of the calibration process on the Science Page, but there are a few broader points about the CX600U's picture capabilities that are worth mentioning here.

Panasonic claims that the CX600U covers 98% of the DCI P3 color standard, or about 122% of the Rec. 709 we standard we typically test and calibrate for. The expanded color gamut, dubbed "Native," can be accessed in the TV's picture menu.

There's simply an abundance of calibration options to play with here. Tweet It

Although the expanded gamut produces vibrant, saturated colors (particularly greens and reds), home theater enthusiasts may want to use the CX600U's color management system to rein some of those color points closer to their Rec. 709 standards.

There's simply an abundance of calibration options to play with here, should you feel so inclined. Be warned, though: After downloading and installing a firmware update, our CX600U's custom picture settings were reset to their factory default. Your mileage may vary, but my recommendation would be to update your TV's software before doing any extensive tweaking.

The Picture

The Panasonic CX600U isn't equipped to dethrone the plasmas of yesteryear and the OLEDs of tomorrow, but it does a handful of things quite well.

Colors on the CX600U—especially those generated by the TV's "Native" color gamut—are mesmerizingly vibrant. When left uncalibrated, they're not particularly accurate, but the trade-off is a bright, vivid picture that pops off the screen. Sticklers for a photorealistic experience will probably be averse to the this color mode, but if you're not a home theater aficionado and you plan on putting this set in a brightly-lit room, I recommend letting the good times roll in the "Native" color mode.

Panasonic TC-50CX600U Content 2
Credit: / Michael Desjardin
The TV's expanded color space isn't accurate, but it reds and greens a little extra "oomph."

The CX600U's motion-smoothing software is also quite good, assuming that you keep it on its lowest possible setting. Choose any setting higher than "Weak," and you're bound to experience the soap opera effect. That said, as much as the purist in me hates to admit it, I prefer having it set to "Weak" over not having it on at all. At its lowest setting, the software does a great job smoothing out judder without making the picture appear artificial.

After the plasma-like black levels we measured in last year's AX900, we were eager to get to the bottom of the CX600U's contrast production. All told, it features deep enough black levels and bright enough highlights to pass our contrast tests with a solid B+. Ostensibly, viewers will enjoy a picture rich with detail, be it in the contours of fabric or the metal outer-workings of a shuttle drifting through space.

I wish that were the end of the story, but the CX600U's got a a nasty habit involving gamma.

A TV's gamma curve is a way to describe how luminance is distributed as the TV moves out of black and up to white. If it ramps up luminance too quickly or slowly, you're bound to notice artifacts, blocking, and noise in shadows and around objects that are out-of-focus. The result is visually similar to a low-resolution video being magnified.

Panasonic TC-50CX600U Gamma Demonstration
Poor gamma crushes fine detail, and the resulting picture can be very distracting.

In the lab, the CX600U's poor gamma sabotaged an otherwise detail-rich picture. The effect is mostly noticeable when upscaling Full HD (1080p) content, but it's also present in native 4K content. Because poor gamma has a particularly pronounced effect on darker areas of the picture, it's disappointing to see the CX600's relatively deep black levels overtaken by its inability to allocate luminance. This poor gamma curve is almost identical to the what we measured with the CX600U's older sibling—the CX800U.

If you're on the fence about the CX600U, consider this: The TV's ghastly gamma issues are mitigated slightly when the it's situated in a dim-to-brightly-lit room. If you're not planning on making a TV the centerpiece of a dark, home theater-style room, the CX600U's struggles in this department might not bother you as much.

The Verdict

Panasonic is a perennial favorite in certain circles of the videophile community. It's built that reputation by offering TVs that not only push the technical envelope, but also provide a ridiculous amount of wiggle room for calibrators to customize their experience.

In a pitch-black home theater environment its flaws will be badly exposed. Tweet It

And this is exactly why the CX600U is such a peculiar TV. Despite being built with videophiles in mind, it's best suited for the type of consumer that doesn't necessarily care about achieving the best, most accurate picture possible. In a pitch-black home theater environment its flaws—iffy color accuracy and a suspect gamma curve—will be badly exposed, especially when enjoying movies that feature rich shadow detail and tonality.

Panasonic TC-50CX600U Content 3
If don't consider yourself a cinephile, you'll probably find the CX600U's picture to be good enough.

But if you're like most people, you don't have a pitch-black home theater. And for most people, a bright, vivid TV for watching cable, Netflix, and the occasional football game does the trick just fine. The CX600U does this, and you're bound to get lost in its mesmerizing, ultra-vivid colors. While not clinically accurate, that extra saturation will better hold up when it has to compete with loads of ambient light—something many higher-end TVs can't do very well.

Panasonic TC-50CX600U Content
Credit: / Michael Desjardin
The corners of the CX600U's screen are slightly dimmer than the rest of the screen, but its overall uniformity is quite good.

And for the CX600U's asking price, it's hard to be picky. You can find it on sale for just $999.99, which is well below average for a 50-inch UHD TV. If you want a 4K TV that can handle movie night with a little more accuracy, we'd recommend either Vizio's 2014 P Series or its 2015 M Series, both of which were good enough to take home our coveted Editors' Choice award. The 50-inch M Series even retails for a whopping $200 less than the CX600U, even if it's not quite as pretty as the Panasonic.

For living rooms that are typically flooded with natural and unnatural light, the CX600U absolutely shines Tweet It

Ultimately, the Panasonic TC-50CX600U is an affordable TV, but not the most affordable. It's also a decent performer for the price, but it's not the best value to be had. But for the right consumer—someone with a traditional living room that's typically flooded with natural and unnatural light—the CX600U absolutely shines.

Our editors review and recommend products to help you buy the stuff you need. If you make a purchase by clicking one of our links, we may earn a small share of the revenue. Our picks and opinions are independent from any business incentives.
Our editors review and recommend products to help you buy the stuff you need. If you make a purchase by clicking one of our links, we may earn a small share of the revenue. Our picks and opinions are independent from any business incentives.
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Our editors review and recommend products to help you buy the stuff you need. If you make a purchase by clicking one of our links, we may earn a small share of the revenue. Our picks and opinions are independent from any business incentives.
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