The iPad (92) and Surface Go 2 (139) posted much higher scores. The WebXPRT 3 test, which tests with HTML5 and JavaScript-based scenarios, handed the Chromebook Duet a score of 58.

That's less than the 49 from the Samsung Chromebook 4, the 74.9 from the Surface Go 2 and a fraction of the iPad's 91.9. On the JetStream 2 benchmark, which tests web browser application performance, the Chromebook Duet posted a 31.9. That's a bit of a fall from my 80 wpm/98% averages, and I attribute those dips to the keys not having much feedback at all and how the layout feels a little cramped. I clicked my way to 67 words per minute with 90 percent accuracy on the 10fastfingers typing test. The Lenovo Chromebook Duet's keyboard will be great for some, and tricky for others. Lenovo Chromebook Duet review: Keyboard and touchpad Dragging icons around the screen, I noticed a little bit of lag, especially moving apps around the drawer, but it's the kind of performance issue you can accept at this price. Navigating the internet and Chrome OS, I found the Chromebook Duet's touchscreen display accurate at registering touches and swipes.

The iPad (450 nits) and Surface Go 2 (408 nits) get brighter, while the Samsung Chromebook 4 is much dimmer. The Duet proved bright enough for clear picture quality, but not strong enough to eliminate the glare and reflections picked up from natural lighting in every spot in my apartment. The Chromebook Duet emits up to 372 nits, which enables a wide range of viewing angles, as I saw colors only slightly darken when I viewed videos from over 30 degrees to the left and right.

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