The ROG Ally X looks almost identical to its predecessor, save for a new coat of black paint. There are subtle differences, like rounded-out grips that are more comfortable to hold, slightly elevated ABXY buttons, and an eight-direction D-pad that handles diagonal movements a bit better. If you didn’t look too closely though, you’d be forgiven for thinking little has changed..

But under the hood, Asus has made some massive improvements. Most notably, the battery size has doubled. The original ROG Ally had a 40-Wh battery, roughly comparable to the original Steam Deck. The ROG Ally X, on the other hand, somehow packs a massive 80-Wh battery. That’s larger than the battery in Asus’s Zephyrus G14 gaming laptop, which I loved for its lengthy battery life. Despite this massive increase, the Ally X is only about 70 grams heavier.