Quoted: I've been researching new laptops recently, and it seems that some models consistently get complaints about running too hot, while others (using essentially the same hardware in a similar-sized package) get complements about running cool. So, what makes the difference?
Better processor power management software? More efficient fan? Better heat sink design and location? Are some manufacturers installing insulation around the heat sink (to keep the case cool)?
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My son in college has a Toshiba Sat A75 with Pent 4 at 3.2 ghz. Plus it has a hot video card. It gets very hot when doing games and has had some shutdowns. Putting it on a cooling tray (with fans) and blowing it out every so often with canned air has solved that but it still gets quite hot.
I have a Toshiba Sat M35X with Celeron M at 1.4 ghz. I don' do games, just business applications and surfing the net. Barely gets warm.
Unless a diehard gamer, get a Pentium M or Celeron M. BTW, you can't directly compare the processor speed to the regular Celeroon and Pentium. The M's compare roughly 2x, so a 1.4 ghz Celeron M is appx equal to a 2.8 ghz Celeron. The M chip sets are engineered for less current draw, which means longer battery life, and less energy wasted as heat.