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It’s a shame because it has its moments. The excellent display and solid performance tick two important boxes, and the £649 price is a huge plus point. The Surface Pro 3 is much pricier at £849, and that’s without the keyboard. Despite the keen pricing, though, the HP’s flaws make it impossible to recommend – for a device that promises the best of both worlds, the Envy x2 delivers neither.I love CES. I hate CES. At times the over-blown hype makes me want to weep while at others I feel swept along in that all-American wave of hope and optimism. Right now - perhaps because I'm heading home - I'm feeling positive. And it made me wonder, what if all that pent-up optimism was to come true? What would the world really look like in five years from now? Funny you should ask.I have to laugh a little at all the announcements at CES about fitness products when I see staggeringly little evidence that it's having an effect on the Las Vegian bodies around me. Especially when a typical Denny's breakfast adds up to over 1,500 calories: I opted for a modest one with hash browns, two eggs, two sausages - and, on the side, two giant pancakes smothered with sugary syrup and icing. But maybe, just maybe, the next five years will see a change, and we'll work out a way to control calories, exercise more and see our toes again.

This is based on a cool little demo at this year's CES, where Audi demonstrated the ability to unlock your car using RFID built into an LG smart watch, based on webOS. This in itself doesn't exactly advance humanity, but if you start to extend the concept - to your home, your garage, your office - that key fob could become a thing of the past. Although it does leave the issue of what to do with all my Las Vegas souvenir key rings.Oh please let this one come true. We've had so-called smart TVs for years now, so why is it such a chore to record things, to access services, to understand the fiendish UIs? But I know that the likes of Samsung are working hard on this area, with an announcement in its rather dull keynote that it will be using Tizen OS, so I'm keeping my fingers crossed.This stems from a fascinating visit I had to the E Ink booth, where they had an amazing wall display of shifting pink and white patterns. You can see it in the video above. E Ink expects to have a real-life installation of this by the end of the year, and it does make you wonder why we haven't thought of it before. We could write messages, light up our walls at night, adjust colour depending on taste. Suddenly bricks seem rather boring.

We humans are very good at face-to-face interaction in person, but boy does it become difficult when it turns into a video call. Even talking to the ones you love becomes weird, as you feel rude if you look away but are otherwise stuck in a staring contest. But ooVoo, a video-call service with 12,000,000 users, has an interesting answer: you can supplement your call with real-time animations to reflect your expression (streamers to show you're happy, perhaps), or just turn yourself into an avatar, complete with your mouth and facial movements, so that the person at the other end of the call can't tell you're still in your pyjamas. In my interview with Intel's Mike Bell yesterday, he touched upon one of the biggest problems we currently face. When you buy a fitness tracker today you pretty much always send your data to them, and this means your data is effectively owned by them. And that's just fitness: it can be extended to pretty much any data we exchange. Doesn't it make sense for us to own our data, not a third-party company?

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This feels like a long shot, but the rise of the 2-in-1 device at this year's CES - think products like the Asus Transformer Book Chi and Toshiba Satellite Click Mini, where a nice tablet is turned into a nice laptop when you slot it into a keyboard - certainly indicates it's a possible path. If you're the type of person who carries round a tablet and a laptop in your bag, wouldn't you like it to become just one device?Every year new cars are being fitted with smarter technology, and even if we never reach the stage of fully automated driving there were some great initiatives on show at CES this year. Things such as Nokia Here's navigation aids that make it obvious exactly where you're heading without your eyes leaving the road, or Nvidia's Drive technology. And who knows: maybe, one day, the technology that enables humanless driving may coincide with our willingness to hand control over to AI.

This will stem from a number of things. No more entrusting our safety to smoke alarms with batteries that may or may not work; we'll know instantly that the battery is running low thanks to products like Roost. We'll also have smart lighting in our houses to deter burglars, while discreet cameras and sensors will allow us to keep tabs on our home when we're away.Okay, no-one directly suggested this would happen at CES: it's just what I long for. Wi-Fi that always connects, because it's able to do some sort of low-level handshake. Devices that pair instantly (and remember the next day, even) and don't need me to dig into some obscure setting to troubleshoot. Printers that just, well, print. Smart TV boxes that don't crash halfway through Breaking Bad. Not too much to hope for by 2020, surely?The next generation of Intel processors is here: on the opening day of CES, the processor giant finally unveiled its new family of fifth-generation Core i3, i5 and i7 CPUs, as well as Celeron and Pentium models, based on the new 14nm Broadwell architecture. Laptops powered by the new processors will be on shelves later this month. http://www.batteries-pc.com/dell.html http://www.batteries-pc.com/dell.html

Not long ago, such a launch would have been expected to bring a significant boost to all-round performance as well as improved power efficiency. In recent years, however, Intel has allowed desktop performance to stagnate somewhat: the PR material for Broadwell promises a modest 4% improvement in productivity performance versus Haswell. The focus has instead been on progressively beefing up the GPU while reducing overall power consumption.That may be a smart calculation. Even budget tablets and laptops are fast enough for everyday computing these days, so it makes sense to focus on the areas where they’re weaker – namely, gaming, and that tiresome need to keep recharging them. It makes the launch of a new architecture much less of a significant event, however: the promised 22% improvement in 3D graphics is a good thing, but won’t make much difference to businesses and power users. And while longer battery life might be appealing, the process shrink to 14nm (from the 22nm Haswell core) sadly doesn’t translate to a commensurate improvement in longevity.

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To see why, we can turn to Intel’s own marketing documentation for Broadwell. A helpful graph shows how the Broadwell SoC consumes significantly less power than the corresponding Haswell part – approximately 0.2W versus 0.4W while idle, and around 1.1W versus 1.9W while playing video. Unfortunately, the SoC is only one small part of what’s draining the battery, and in both scenarios the screen and the rest of the platform together are also consuming around 4W, meaning that even according to Intel’s own figures the overall power consumption gap is less than 5% when idle, and just over 13% when watching a film.We can’t really blame Intel for this – actually in this generation it’s done something rather clever by re-engineering the audio controller, to save around half a watt while sound is playing. Overall, though, it’s clear that constantly refining and shrinking the CPU die is yielding diminishing returns when it comes to battery life.

It’s also evidently getting harder for Intel to keep up its momentum. CEO Brian Krzanich admitted in October that Broadwell was behind schedule, and while the company did get its lightweight Core M chips out the door in time for Christmas, the mainstream chips launched today come a full 19 months after Haswell – the longest gap since Intel adopted its “Tick-Tock” model in 2007.What’s more, the wait isn’t fully over: the chips launched today are all dual-core mobile models with TDPs of 28W and below. While some OEMs will doubtless stick these into all-in-ones and compact NUC-style devices, proper desktop chips with quad-core designs and TDPs of 45W and above won’t be with us until the middle of the year.Again, one can’t really criticise Intel for this: no other company has ever put a 14nm microprocessor into mass production, and, it’s perfectly normal for the company to release a new architecture in phases, typically starting with flagship mobile and desktop parts before filling out the range and eventually filtering into Xeon and E-class chips. But it’s unprecedented for a roll-out to be quite so drawn-out, and that again diminishes the impact of today’s announcement.

If, for some reason, you’ve been desperately waiting to replace your Haswell processor with a new 14nm part – which will be possible, BIOS permitting – then you’re likely to be disappointed by how long the upgrade has taken to appear, and by the moderate advances it brings. The biggest upgrade is to the GPU, and for the sort of user who doesn’t invest in discrete graphics, we suspect this will be little more than a nice bonus.But of course, very few of us upgrade our PCs every year. As Intel’s Karen Regis pointed out at the launch, there are now more than 600 million PCs in use that are more than four years old. Based on Intel’s own figures, jumping from a system based on 2010’s 32nm Westmere architecture to a comparable Broadwell laptop will deliver a boost in productivity performance of 250% and a doubling of battery life – while lifting 3D performance up by a remarkable 1,200%.In other words, the cumulative refinements of Sandy Bridge, Ivy Bridge, Haswell and Broadwell add up to a terrific upgrade. If we were hoping for more, it’s probably because we’re still expecting the arrival of a new microarchitecture to be the sort of epoch-marking event that the “Tick-Tock” image suggests. In reality, that may no longer be feasible, and it’s certainly not necessary.

So instead of that model, it’s time to get used to an image of more gradual progress, in which generations segue organically into one another. We welcome Broadwell, absolutely, but if the arrival of the new Core processors lead to price cuts on last-generation hardware, the coming weeks might be a smart time to invest in a Haswell system instead.It was only a matter of time before a manufacturer did something different with the Chromebook formula. Following in the footsteps of its Flex and Yoga Windows laptops, the Lenovo N20p Chromebook tweaks the recipe by throwing in an 11.6in touchscreen and a hinge that allows the display to fold through 300 degrees.The N20p isn’t quite as flexible as Lenovo’s Yoga range, so sadly there’s no tablet mode, but similar to Lenovo’s Flex family, the N20p’s design enables the laptop to be used in what Lenovo calls “stand mode”. This sees the display swivel backwards through 300 degrees with the keyboard planted face down on the desk.

It might not sound especially useful, but there are plenty of occasions where it’s handy. For instance, it’s great for watching movies in cramped conditions, such as on a train or aeroplane table, where a normal laptop design would make it difficult to the get the display at a comfortable angle.It’s a good-looking device by Chromebook standards. The flexible hinge adds a little bulk to the rear, but Lenovo has still managed to put together a slim, portable package – at 1.4kg and 18.5mm thick, the N20p isn’t especially chunky. The build quality could be better, however, since there’s noticeable flex in the N20p’s body when you pick it up – but for a £199 Chromebook, it looks impressive. The silvery-grey plastics curl neatly around the laptop’s edges, lending the laptop a look reminiscent of Lenovo’s pricier Yoga models, and the wedge-shaped design is striking.