The GoGear Ariaz is the slightly smaller of the two, with it packing a 2-inch display, along with 4GB, 8GB, or 16GB of storage, an FM tuner, a built-in mic for voice recording, and a somewhat unique interface that includes a combination of "touchscreen buttons" and a large rocker key.

ENGADGET: Philips debuts GoGear Ariaz, Opus PMPs

The device is packing a 4-inch WVGA display, dual-core ST-Ericsson U8500 Cortex A9 CPU, 768MB of RAM and a 2, 000mAh battery.

ENGADGET: Topic: Mobile