AT&T is going to call their HSPA+ (normally considered fast 3G), 4G, like T-Mobile. They're also going to start deploying their LTE network (Verizon's type of 4G) starting mid year. For an explanation between the two, see here.
AT&T's 4G Is HSPA+ (Like T-Mobile's)
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Let’s skip past all the hemming and hawing. Between its huge 6.9-inch 120Hz screen, beastly specs, 5G support, 108-MP main camera, Space Zoom lens, and 8K video capture, the Samsung Galaxy S20 Ultra is an absolute powerhouse. It has practically any feature you could ever want (aside from a headphone jack), and unless you’re a stylus die-hard, the S20 Ultra makes the $1,699 Note 10+ seem like a quaint mid-range device. And if price wasn’t a factor, I’d have a hard time choosing any phone available today over the Galaxy S20 Ultra.
With all of those gradually-improving power-bumped special edition Subaru WRX STI models out of the way now, the next step is the upcoming next-gen 2021 Subaru WRX STI which will reportedly get a heavily overhauled Boxer engine making nearly 100 horsepower more than the current base STI.