Technology

Nvidia GeForce GTX 1080 review: The 4K gaming heavyweight The GPU king of this generation: the GTX 1080 combines incredible 4K gaming speed with fantastic power efficiency – but it’s expensive

BT Ultra HD YouView box: UI revamp and Atmos audio coming BT's Ultra HD service gets a makeover and some sports events will have Dolby Atmos sound, too

Nvidia GeForce GTX 1060 3GB review: Sub-£200 perfection It might struggle with the most demanding games, but this card offers incredible performance and efficiency for the money

Nvidia GeForce GTX 1060 6GB review: The sub-£300 champion With killer performance and efficiency, plus plenty of memory headroom, this is the king of sub-£300 graphics cards

Asus Transformer Mini: Surface 3 rival fails to hit the mark Has Asus cracked the code for ultraportable 2-in-1 laptops with the Transformer Mini?

Avast Free Antivirus 2016 review With protection that bests many paid-for rivals, Avast is a great free choice – if you overlook the upsell

What is 4K Ultra HD Blu-ray - Discs, players and movies Confused by 4K movies, here's everything you need to know about discs & players for 4K Ultra HD Blu-ray

Libratone Q Adapt On Ear: Almost great Incredibly effective active noise cancellation, but the fit and erratic auto-pause facility undermine these headphones’ appeal

Sony Xperia Z5 review The Xperia Z5 is expensive, but it has the best LCD display around, superb performance and a top-class design

Virgin Media launches new 4K-powered TV V6 box in UK Virgin Media revamps its TV service for 2017 with new 4K V6 box and TellyTablet, but is it worth the upgrade?

Razer Blade Stealth review: A Kaby Lake champion Razer’s Kaby Lake-infused Blade Stealth takes Apple’s MacBook Pro head-on and comes out on top

Canon EOS 5D Mark IV review: Approaching perfection With welcome improvements to an already great camera, the 5D Mark IV is very nearly the perfect SLR

Getflix review: A basic, low-priced VPN A simple and cheap VPN with the emphasis on media streaming – though be warned, you may not get all the services you’re hoping for