Panasonic Lumix DMC-FX33 is actually the little brother of the FX55. Same as the FX55, FX33 also features a 8.1 Megapixel sensor with Leica DC Vario-Elmarit Lens 3.6x optical zoom, 4x digital zoom, MEGA O.I.S. Image Stabilize and an ISO rating up to 1600.
The DMC-FX33 has a smaller LCD display which is 2.5-inch. It comes with 27MB internal memory and a SD card slot that supports SD card, SDHC card and MultiMediaCard.
FX33 measures 7.0 x 3.0 x 2.0-inch which is bit smaller than FX55.