We told you a few days ago about ASUS launching a 31.5-inch 4k monitor, and predicted that today’s Macs would struggle to drive it. The Verge has now confirmed this, by briefly hooking it up to a 15-inch MacBook Pro with Retina display.

Tangible lag was introduced when working in more demanding applications like Adobe’s Lightroom, while the mouse cursor also exhibited a troublingly low refresh rate …
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