When you use a laptop, you might assume that it will always perform the same, whether you use it while plugged in or unplugged. After all, these systems are designed to be used on the go. But for a long time, that hasn't been the case.
More recently, some silicon vendors have been boasting about closer parity in plugged and unplugged performance, offering you similar power whether you're working at your desk or anywhere else. To see the current state of this, we've taken samples of the latest laptop from each major CPU manufacturer: Intel, AMD, Qualcomm, and Apple, and run a few tests to see how they compare.
