Sony XA90x / X90A (2013) Series

Stunning UHD and upscaled picture quality ; Class-leading audio ; Fair price for what's on offer

Needs care to get good contrast ; Very little native 4K content at time of writing ; Doesn't carry true HDMI 2.0 inputs

The last really key 55X9005A picture set up tools you should definitely get involved with are its contrast controls. For reasons we’ll discuss in the performance section, you need to be quite careful with the set’s various contrast boosting tools. Our...

4K pictures make you drool ; Sound quality is outstanding ; Groundbreaking 4K price

Some black level flaws ; Uncertainties over future HDMI standards ; 4K sources currently rare

Other picture fine tuners not directly related to 4k include a system for smoothing colour gradations, a separate detail enhancer, an (eminently avoidable) edge enhancer, dynamic contrast controls, controls for the dot and noise reduction systems,...

In short, the overall impression we took away from our time with Sony's 65X9000A was of not just a remarkably well-rounded and high-performance TV, but also a genuine Sony 4K eco-system that's much closer to becoming a reality than we'd previously...

Pin-sharp 4K pictures ; Great Blu-ray upscaling ; Clearer passive 3D ; Excellent built-in audio

Wide footprint ; Some motion blur ; Average remote ; SD upscaling struggles

One of the best performers with Blu-ray, let alone 4K, the KD-55X9005A is a standout winner with 3D, too.

Incredible image definition ; Superb upscaling ; High-fidelity sound system

There's no native 4K content ; Just one tuner ; Limited catch-up TV services

Awesome 4K picture quality ; Highly effective upscaling ; Best in class 3D ; Drop dead gorgeous design ; Superb audio system ; Solid Smart TV

Expensive ; Cheapo remote control ; Single tuner

This is flat-out the most exciting big-screen TV released this year. With stunning design and advanced picture processing, this 4K debutant impresses in all areas

Stunning 4K images ; Triluminous layer boost colour ; Accessible 4K

Motion issues ; It's going to be pricey

A super TV that'll cost a lot, but will still be the cheapest Ultra HD TV yet.

Amazing Ultra HD pictures ; Striking 3D pictures ; Exceptional audio ; Excellent online services

Extremely expensive ; Minor backlight issues ; Small audio sweetspot ; Fussy operating system

Well here's something you don't see every day: an 84-inch TV with a native '4K' (now officially known as Ultra High Definition) resolution.

Astonishing 4K image clarity ; X-Reality PRO upscaling ; Sharp ; artefact-free 3D

Stratospheric price point ; Uneven LED edge-lighting ; Not everything can be upscaled