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Message: <blockquote data-quote="Rackhir" data-source="post: 3645531" data-attributes="member: 149">Well the laptop you referenced at the begining uses a "ATI Radeon® Xpress 1270 HyperMemory (integrated)". That is basically a joke of a graphics card and others have mentioned the problems with shared memory (called HyperMemory in this case). The x2300 is essentially a slighly updated x1300 which is still a joke of a graphics card. That said it might still be adiquate to run HL2 since the game is 3 years old. Not anything horrific. Though there might be other system differences or differences between the processors other than just the clock speed. The 2.0 ghz might have a larger L2 cache which would give you a greater difference in performance than just the clock speed alone might indicate. The slower processors might have a slower system bus which could hurt performance vs the faster processor as well.Well the 2 x 1.6 indicates that it is a dual core chip, like the 64x2. So there isn't going to be a performance difference on that score. All other factors being equal there probably isn't going to be much of a difference. Though the Turion is designed as a notebook chip and an Athlon 64 x2 isn't necessarily. Mostly though that would hurt battery life. Notebook CPUs are no longer necessarily slower than desktop chips (again all other things being equal).</blockquote>