Logitech G203 LightSync Vs. Logitech G703
The G203 LIGHTSYNC by Logitech uses an Optical sensor, Brand and Model are both unkown at this time. It has a DPI/CPI range of 200 - 8,000 DPI. This is combined with a 32-bit ARM Microprocessor. It uses a USB connection with a 2.1m cable. It weighs in at 85g without the cable and is approximately 116.6 x 62.15 x 38.2mm (LxWxH).
The G703 by Logitech uses an Optical sensor from Pixart, specifically the PMW3366, providing a DPI/CPI range of 200 - 12,000 dpi. This is combined with a 32-bit ARM processor which results in a tracking speed of 400 IPS, and a maximum acceleration of 40G. It uses a USB, Wireless connection with a 1.83m cable. It weighs in at 107g without the cable, has 10g weights and is approximately 124 x 68 x 43 mm (LxWxH).