LG G6 review: LG’s former flagship is about to be usurped by the LG G7

Price when reviewed

It had been thought the LG G6 would be the last of its kind, after LG’s CEO hinted the brand could be discontinued, but given the recent rollout of Android Oreo, as well as confirmation that the LG G7 will launch next month, there appears to be life in the old dog yet. 

LG G6 review: LG's former flagship is about to be usurped by the LG G7

LG’s Jo Seong-jin recently said the company could dump the G and V branding of its major smartphone flagships following a run of ten-year quarter losses in a row. “If there is something that is needed to be changed, we will change it,” CEO Jo Seong-jin said at a press conference for Korean press. Other reports suggested that, in fact, the G6 would be the last G-branded flagship the firm launches. 

However, since this conference, LG has confirmed the LG G7 will be announced on 2 May. Few other details have been revealed but it’s likely to have the same 18:9 ratio display as seen on the LG G6. 

Christopher’s original review continues below.

LG G6 review: In full

In a world where most smartphones look broadly similar, the LG G6 immediately stands out from the crowd, if only due to its distinctive shape. In a market that’s largely adopted the 16:9 widescreen format, the taller, narrower 18:9 aspect ratio is a bold departure – but it makes a lot of sense. You get the luxury feel of a large screen, measuring a generous 5.7in across the diagonal, without the cumbersome width that makes plus-sized phones sit awkwardly in your hand.


LG G6 review: Price and competition

The G6 costs around £650 SIM-free, from online and high-street retailers. You can also find it on contract from £43.99 through Carphone Warehouse. Three colour schemes are offered, with the traditional airy names: you can choose from “Astro Black”, “Mystic White”, or the “Ice Platinum” model that we tried out.

All models come with 32GB of internal storage; if you need more, the dual-purpose slot at the side will take either a second SIM or a microSD card, allowing you to add up to 2TB of additional storage.

For what you get, it’s a premium price, but not out of kilter with today’s flagship phones. The iPhone 7 is cheaper, at £579, but you’ll pay £689 for a Samsung Galaxy S8.

LG G6 review: Design and build quality

The LG G6 looks and feels like a high-end handset, thanks to its stylish metal frame and glass back. The latter uses Corning’s Gorilla Glass 5, for a good degree of shatterproofing and scratch resistance (although it does have a tendency to pick up fingerprints).


The 5.7in front display uses Gorilla Glass 3, and benefits from an angled internal design, so if you accidentally drop the phone on its side, the impact isn’t directly conveyed to the screen. According to LG, this should greatly reduce the likelihood of breakage. The G6 will also survive an accidental drop into water: it’s IP68-rated, which means you could in theory submerge it at a depth of 1.5m for 30 minutes.


Controls and connections are minimal. There’s a USB Type-C port at the bottom for charging and data transfer, and a 3.5mm headphone socket at the top. As with previous LG phones, the power button (which also serves as a fingerprint reader) is located on the back of the phone, beneath the camera.

LG G6 review: Display

The main attraction of the LG G6 is of course its unusually shaped display. Pictures don’t do justice to what an ergonomic step forward this is. It’s comfortable to use one-handed, while affording an expanded viewport that’s great for browsing the web and playing games.

But it’s not just the dimensions that are interesting about this display. The IPS panel features HDR 10 support, allowing you to enjoy HDR videos from Amazon Prime and Netflix with stunning visual dynamics – or at least, it will once the necessary app updates roll out shortly.

Even for everyday use, it’s a great display. We measured a maximum brightness of 492cd/m2, with fantastically deep blacks coming out at just 0.23cd/m2. That represents a contrast ratio of 2,139:1 – up there with the very best IPS phone screens.

The only slight disappointment is colour reproduction. The G6’s screen covers 93.2% of the sRGB gamut; that’s certainly not a poor score, but we’ve seen smartphones with AMOLED displays do even better.

LG G6 review: Software and performance

The LG G6 runs Android 7, though you might not realise it as it’s overlaid with LG’s UX 6 front-end. Its most interesting feature is the ability to split the screen into two squares for multitasking. This works well: you can, for example, read about a restaurant in Chrome and simultaneously look up directions on Google Maps. Or you can keep your image gallery open while shooting new photos.


Although we didn’t encounter any hiccups when running two apps at once, the LG G6’s internals aren’t particularly impressive. It uses the same quad-core Snapdragon ARM 821 processor found in the Google Pixel and Pixel XL phones. Clocked at 2.35GHz, and backed by 4GB of RAM, it’s only a modest step up from the Snapdragon 820 found in the G5.

That’s reflected in the G6’s benchmark scores: in the Geekbench 4 single-core test it scored 1,777, with a multi-core score of 4,137. That’s on a par with the Google Pixel, and actually slightly behind last year’s Samsung Galaxy S7. It’s easily outpaced by the Huawei P10, and will doubtless lose out to the Galaxy S8 as well, once we have a chance to test it properly.

lg_g6_review_-_geekbench_4It’s a similar story with gaming performance, as measured by the GFXBench Manhattan test. The G6 actually has a decent amount of graphical power, as its offscreen scores indicate. However, the frame rates you’ll actually experience are a step down from LG’s rivals, no doubt thanks to the demands of driving the large, unusually shaped screen. Even the older G5 was slightly smoother.


LG G6 review: Battery life

The G6 is powered by a 3,300mAh battery; that might sound a decent size, but it kept the phone going for a mediocre 12hrs 52mins in our battery test. The Google Pixel managed 16hrs 23mins in the same test, while the Galaxy S7 kept on trucking for an impressive 17hrs 48mins.

On the upside, thanks to its Snapdragon 821 architecture, the LG G6 supports Qualcomm’s Quick Charge 3, which will let you charge it up to around 50% in 30 minutes. A fast charger is included in the box, along with a USB Type-C cable and earphones.

LG G6 review: Camera

One of my favourite features of the old LG G5 was its dual-lens camera. That’s been retained for the G6: at the rear there’s one 125-degree wide-angle lens, and another standard lens with a 71-degree field of view. As with the LG G5, the main camera has a wide f/1.8 aperture, allowing it to work brilliantly in low light, while the wide-angle lens is slightly narrower at f/2.4.


Although the resolution has dropped, from 16 to 13 megapixels, images are clear and packed with detail. The dual-LED flash gives a good natural light – it doesn’t tint the scene blue or pink, as we’ve seen with some smartphone flashes.


As we’ve noted, the G6’s wide screen lets you split the display into two, so you can review your previous shots while keeping the camera open for immediate use. LG’s camera app also provides a good range of options and modes: you can shoot panoramas and HDR scenes, as well as slow-motion and time-lapse videos.


For photography buffs, there are also manual photo and video modes. For stills, you can tweak the focus, shutter speed, ISO, white balance and exposure compensation. When shooting video, manual mode also lets you adjust the mic gain, add a wind noise filter and apply exposure locking. Video footage can be captured in 4K 16:9 at 30fps, or in Full HD at 60fps. Drop down to 720p and you can shoot at 120fps with a 16:9 aspect ratio, or 60fps in the cinematic 18:9 or 21:9 formats.

LG G6 review: Verdict

The LG G6 is a decent phone with a great screen, an impressive camera and an admirably innovative design. If you’re tempted, though, it’s well worth checking out the Samsung Galaxy S8 before buying. Samsung’s latest handset is a similar shape, and comes with a more powerful processor, a more colourful AMOLED screen and twice the amount of internal storage.

That doesn’t necessarily undermine the appeal of the LG G6, however. It’s cheaper than the Galaxy S8, and if LG’s previous phones are any guide, the price may fall further before too long. If that happens, the G6 could well be a smart choice. If you want to buy right now, though, we’d incline towards spending the extra on the Galaxy S8.

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