Steelseries Rival 310 Vs. Logitech G703
The Rival 310 by Steelseries uses an Optical sensor, specifically the SteelSeries TrueMove3, providing a DPI/CPI range of 100-12000, 100 CPI Increments. This is combined with a 32-bit ARM processor. This results in a tracking speed of 350+, and a maximum acceleration of 50G. It uses a USB connection with a 2m cable. It weighs in at 88.3g without the cable and is approximately 127.6 x 70.1 x 41.98 mm (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).