![]() ![]() The idea being that the backlighting can illuminate images with much more finesse and local light subtlety, reducing the likelihood of clouding around stand-out bright objects and enabling bright objects to enjoy more crisply defined edges. This widens or narrows the light intensity of each separate dimming zone as dictated by the picture being shown at any given moment. And on that front, the new Samsung QN90B has a very promising new feature to shout about: Shape Adaptive Light Control. We’ve seen plenty of evidence with premium ‘regular’ (not mini-) LED TVs, though, to know that it’s not always the number of dimming zones that counts it’s what you do with them. Some may feel a little disappointed by this – especially the apparent failure to substantially increase the number of dimming zones. The QN90B and QN90A both feature Neo QLED mini-LED technology – and when it comes to the most fundamental elements of this technology, both screens use the same sort of mini-LED ‘structure’ and similar numbers of backlight local dimming zones. You can find the current lowest prices for the Samsung QN90A below. So there's a huge difference, but that's normal when comparing a TV that's been out for a year with one that's just arriving – but it does mean that it's certainly no slam dunk to choose the QN90B for its upgraded when the QN90A is fantastic and so much cheaper… while stocks last. The other five QN90B screen sizes match those of the QN90A range. ![]() The QN90B range also includes six models, but tops out at 85 inches rather than 98. In 2021 Samsung launched no less than six QN90A models, ranging in size from just 43 inches all the way up to a monster 98 inches, and with 50, 55, 65 and 75 inch models filling in the gaps. Both the QN90B and QN90A are among the best TVs available today, but let’s go through all the differences, to help you decide which is best for you. ![]()
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