Slashdot: Hardware's Journal

As Computer Vendors Focus On Making Their Laptops Thinner and Lighter, They Are Increasingly Neglecting Performance Needs of Their Customers
Owen Williams, writing for Motherboard: The pursuit of thinner, lighter laptops, a trend driven by Apple, coinciding with laptops replacing desktops as our primary devices means we have screwed ourselves out of performance -- and it's not going to get better anytime soon. Thermal throttling is not something that Apple alone suffers from: every laptop out there will face thermal constraints at some point, but whether or not that's perceivable depends on a number of different variables including form factor and cooling capacity. When you're shopping for a laptop, you'll notice that manufacturers like Apple use phrases like "Turbo Boost" and "Up to 4.8 GHz" without really explaining what that means. The 4.8 GHz processor clock speed, which Apple quotes for the 15-inch MacBook Pro, is a 'best case' processor speed that's only achieved in short bursts when your computer requests it, subject to a number of conditions. If you're playing a game like Fortnite, for example, the game will request your processor provide faster performance, and the processor will attempt to increase its operating frequency gradually to deliver the maximum available performance within the thermal envelope of your machine. That maximum is restricted by both power and thermal limits, which is where we run into issues: laptops tend to get hot because they're thinner, with limited space to dissipate that heat through the use of fans and heatsinks.