The Duron also includes a larger on-chip memory cache than the K6-2, and AMD's Enhanced 3DNow instructions, designed to boost multimedia performance.

CNN: AMD's low-cost Duron chip takes aim at Celeron

The GPU itself also contains quite a large on-chip memory.

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The chip sports 256K bytes of on-chip level 2 cache memory.

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XE300M22-A01US carries a 2.5GHz, Sandy Bridge-era dual-core chip on top of the usual 4GB of memory and 16GB solid-state drive.

ENGADGET

As we said, the main differences you'll see between these US-centric models and the original version are the processor and amount of RAM used: the American variants all make use of a dual-core, 1.5GHz Snapdragon S4 chip and 2GB of memory, while the I9300 runs on quad-core Exynos silicon and one gig of RAM.

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Plunging memory-chip prices mean that Samsung can no longer rely on its cash cow, however.

ECONOMIST: LG v Samsung

Oki will keep its memory-chip operation in business to supply system LSIs -- chips packing several functions on one silicon wafer.

FORBES: A tale of two companies