Samsung starts baking 30nm 4Gb LPDDR2 chips, packaging 2GB mobile RAM in April
When it comes to mobile RAM, capacity is often what pops to mind first while we overlook speed and power consumption, but Samsung's latest delivery is worth the extra attention. Earlier this month, said Korean giant started producing 30nm 4Gb 1066Mbps LPDDR2 (or simply Mobile DDR2) chips, in order to phase out its 40nm ones that topped 2Gb at a 800Mbps transmission rate. To put it in perspective, a 40nm 1GB package consists of four 2Gb chips, whereas the new 30nm one will only need two 4Gb chips, thus reducing the package thickness by 20 percent (down to 0.8mm) and power consumption by 25 percent. It's hard to tell when we'll start seeing these bits of silicon entering the consumer market, but Samsung's already stamping out 1GB modules this month, with a 2GB version to follow next month. Oh yes, we're definitely liking the sound of 2GB RAM for mobile phones.
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