The week or so before the Super Bowl can be a great time to upgrade your television, as retailers often bring back the kind of sales that they offer around the holidays.
But not all TV deals are created equal, and as always it helps to look at more than just the sticker price. If you’re shopping for a TV before the Super Bowl—or any time, really—here are the main factors to consider.
Just want some fast recommendations? Check out our list of the best Super Bowl TV sales.
HD vs. 4K vs. 4K HDR
With the exception of some small sets, nearly all televisions today have a resolution of at least 1920×1080 (or 1080p), and a growing number are 4K televisions, which have quadruple the pixels at a resolution of 3840×2160. A subset of those 4K sets support high dynamic range (HDR), which generally allows for brighter and more vivid colors.
The distinction won’t matter much for the Super Bowl, which won’t be broadcast in 4K HDR this year anyway. But for the sake of future-proofing, 4K becomes helpful if the TV is large enough and if you’re sitting close enough to it. (This widely-shared guide from AVForums is useful, showing that for a 50-inch TV, you must sit within about six feet to see the benefits of 4K.) Avoid the trap of paying for 4K when you don’t really need it.
The benefits of HDR are more noticeable than 4K alone, and could justify buying a smaller 4K HDR set, but you need to be careful when shopping. While some cheaper TVs technically support HDR video, they may not get bright enough to take advantage of all the extra color details. Different TVs may also support different flavors of HDR, such as HDR-10, HDR-10+, and Dolby Vision. If you care about HDR, my advice is to buy a television that supports Dolby Vision—the company to tends avoid associating its name with subpar sets—or one that uses either OLED or quantum dot technology. (More on those technologies shortly.)
Now that plasma TVs have gone extinct, the main two types of televisions to consider are LED-backlit LCD and OLED. LCD televisions are almost always cheaper than OLED—the technology is more established, the panels are less-expensive to manufacture, and there’s more competition. (Only two manufacturers sell OLED TVs in the U.S., LG and Sony, and Sony uses OLED panels manufactured by LG Display.) In terms of picture quality, LCD sets produce brighter images, but they struggle to achieve the inky blacks and color reproduction that OLED offers.
Within the LCD category, there are several factors to consider. Some LED-backlit LCD TVs are edge lit, which means their backlighting is produced by LEDs placed around the edges of the TV that face in. These sets tend to suffer from non-uniform brightness—you’ll notice it mostly in dark scenes, where some areas of the screen are brighter than others—because the light is brightest closest to the LEDs.
The next step up in LED backlighting puts the LEDs in the back of the TV, facing the viewer. These direct-lit LCDs deliver more uniform brightness, but the TV’s contrast ratio will be limited to what the LCD panel itself can produce. And on their own, LCD panels produce much less contrast than OLEDs.
A technique known as local dimming can be used with both types of backlights, though it’s most effective on direct-lit LCDs. With local dimming, the TV can control groups of LEDs, dimming or brightening them to improve the TV’s apparent contrast ratio. The best direct-lit LCD TVs use what’s known as full-array local dimming: Their LEDs are grouped into zones that can be controlled independently of each other. Full-array local dimming provides the best results LCD technology can deliver with HDR content.
Unfortunately, TV makers aren’t always forthcoming about their LED lighting methods, especially if they’re subpar. You should read third-party reviews to learn which technology is used in the TV you’re considering buying.
A subset of high-end LCD televisions—mainly from Samsung and LG, but soon from Hisense—use a technology called quantum dots, which aims to match the black levels and color reproduction of OLED. Like OLED itself, these sets are pricey, but they’re pretty much guaranteed to provide a great picture.