These are laptop, mobility cards. A HP laptop I'm looking at has the Nvidia and a Sony has the ATI. The HP is about £100 cheaper with similar specs but I love how the Sony looks! Which card is better, if there is a huge difference it may sway my decision but right now I'm very tempted by the Sony.
The integrated 9200 should be inferior to the dedicated 3470, but that's assuming that Sony didn't neuter it. It shouldn't matter if all you're going to do is watch movies since both will do a decent job of offloading the work from the CPU and giving you a good visual quality. Neither is for gaming, but like I said the 3470 should be better for it.
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