TCL 55Q6C-UK QD-Mini LED TV Review: Best 4K TV Under £700?

 The 2025 #ad TCL 55Q6C-UK is one of those TVs that catches your eye not only because of its sleek looks but also because of its impressive spec sheet. With a QD-Mini LED display, 4K HDR Premium capability, Dolby Vision IQ, Dolby Atmos, and even an Onkyo 2.1 sound system thrown into the mix, it sounds like a premium offering—yet the price sits comfortably in the mid-range. So, is this just another spec-heavy model that overpromises, or does it genuinely deliver where it matters? After spending a good amount of time with it, I can confidently say it’s much more than just a pretty face.

Design and Build

First impressions matter, and the TCL 55Q6C-UK certainly makes a strong one. It’s stylish without being flashy, with a minimalist bezel that lets the picture do the talking. The stand is sturdy and well-designed, though there’s also support for wall mounting if you prefer a cleaner setup. The overall construction feels solid, giving the impression of a premium product even before it’s switched on.

Around the back, you’ll find a good selection of ports, including HDMI 2.1, USB, optical, and ethernet, along with built-in Wi-Fi and Bluetooth support. Nothing’s missing here, and it’s all laid out logically.

Picture Quality

The real star of the show is the display. This 55-inch panel uses QD-Mini LED technology, which combines Quantum Dot colour with Mini LED backlighting. What that means in practice is you get seriously punchy colours and excellent brightness, even in daylight conditions. With a peak brightness of 1000 nits, HDR content really pops. Whether it’s a dramatic sunset or the dark shadows of a thriller, the contrast and colour fidelity are spot on.

Dolby Vision IQ adds another layer of intelligence, automatically adjusting picture settings based on ambient light and the content being watched. It’s one of those features you don’t think you need—until you realise you’ve stopped fiddling with picture settings altogether.

Motion handling is another strong point. The TV supports 144Hz refresh rates with TCL’s “Motion Clarity Pro,” and it shows, particularly when watching fast-paced sports or playing video games. There’s very little blur, and everything looks smooth without appearing overly processed.

Sound Quality

Many TVs, even some in higher price brackets, often fall short in the audio department. Not so here. TCL has teamed up with Onkyo to deliver a built-in 2.1 sound system, and the result is genuinely impressive. Dialogue is crisp, bass is decent, and overall clarity is far better than what you’d usually expect from TV speakers.

The inclusion of Dolby Atmos gives spatial depth to audio when supported by the content, and while it doesn’t replicate a full surround sound setup, it certainly does enough to make movie nights more immersive.

Smart Features & Interface

The TV runs on Google TV, and the experience is slick and responsive. Google TV has matured nicely over the past few years, and here it’s implemented without bloat or lag. Navigation is smooth, voice commands through the built-in Google Assistant are fast and accurate, and app availability is excellent. From Netflix and Disney+ to YouTube and Prime Video, everything loads quickly and streams beautifully.

Casting content from your phone is seamless thanks to built-in Chromecast, and it also supports Apple AirPlay, which is a nice touch for iOS users.

Gaming Performance

If you’re a gamer, the TCL 55Q6C-UK brings a lot to the table. With a native 144Hz refresh rate, VRR (Variable Refresh Rate), and ALLM (Auto Low Latency Mode), it’s well suited for both consoles and PC gaming. TCL’s “Game Master” suite provides tools like a game bar overlay, frame rate info, and more.

Input lag is impressively low, making this a solid pick for fast-paced titles like shooters or racing games. It’s a feature set that would please even more serious gamers, and at this price point, it’s hard to argue with what you’re getting.

Everyday Use and Performance

In day-to-day use, the TV performs consistently well. Boot-up is quick, switching inputs is fast, and apps rarely crash or hang. Voice control works reliably, and the remote is straightforward with dedicated buttons for popular streaming services.

It’s worth mentioning that this model has an Energy Class rating of E, which isn’t the most eco-friendly, but it’s fairly typical for TVs with high peak brightness and performance-focused features. If energy efficiency is a priority, you may want to tweak the brightness or enable eco settings.

Verdict

The #ad TCL 55Q6C-UK is a well-rounded and high-performing TV that punches well above its weight. It brings together some genuinely premium features—QD-Mini LED, Dolby Vision IQ, 144Hz refresh, and an excellent integrated sound system—into a package that remains affordable for most households.

There are more expensive TVs out there with slightly better blacks or more refined software, but for the vast majority of users, the 55Q6C-UK strikes a near-perfect balance between performance, features, and price.

If you’re after a modern 4K TV that excels in picture quality, handles games brilliantly, sounds great out of the box, and is easy to use, this TCL should be right at the top of your list.

 

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