One round in, and it’s a pretty even fight: Both manufacturers were ready for that shot to the kisser. Let’s take a look at the controllers next. It’s removable! It’s a mouse! It’s the Legion Go’s innovative new controller!

That increased detail, theoretically, leads to greater accuracy—which might lead you to think that a laser mouse is better for gaming. But it also leads to a phenomenon called acceleration, where you move your mouse faster than the sensor can keep up with. Your mouse gets overwhelmed with the amount of information and makes your cursor shake or jump across the screen. No gamer wants that. Added support for waking up from initial unboxing by long-pressing power button instead of requiring AC power Here, the Legion Go is the pound for pound champ. With a couple pops of the glove—erm, pull tab—the power unit is out from its housing.How difficult will that be when the time comes? The Legion Go has mighty long pull tabs, but you can’t beat the “pop” of a job well done. As you might expect from the first iteration of a device, the Legion Go suffers from too much internal complexity. Component and cable placement throughout the handheld make it cumbersome to access a number of different components. Wires, wires everywhere!

Adjusted rear cover screw heads to Torx™, as well as other materials and geometry tweaks on the heads to reduce stripping risk So laser mouse or bust? Again, the answer is not so simple. Optical mice can also have acceleration problems. Ultimately, it comes down to DPI and polling rate specifications, as well as the compatibility of the surface that you use your mouse on.

Lenovo’s spec sheet for the Legion Go doesn’t go into any detail about the mouse. But here’s what we can confirm: our Legion Go’s mouse is optical. A look under our microscope found an IR emitter mounted next to the CMOS sensor on our Legion Go’s controller. But what about drift? It appears that both Valve and Lenovo took this into account in their designs, although they each solved the problem in a different way. Both devices land some punches, but the Lenovo Legion Go wins the round thanks to its pull-tab adhesives. Valve should take note when it hits the gym in preparation for its next design. Lightning round: Other repairability considerations Added support for using onboard microphone array simultaneously with the 3.5mm headphones connector