ASUS ROG ALLY X

The super-powerful standard Ally X also brings the flexibility of Windows

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With a beefy Ryzen Z1 Extreme CPU and 24GB of RAM, the ROG Ally X is comfortably the most powerful handheld games machine on test here – but it's also the most expensive. Brute force will only get you so far, though, so could the fact that it also offers the full Windows desktop experience give it a key advantage?