Steelseries Rival 600 Vs. Zowie Gear EC1-B
The Rival 600 by Steelseries uses an Optical sensor, specifically the TrueMove 3, 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 IPS, and a maximum acceleration of 50G. It uses a USB connection with a 2m, Detachable, Soft Rubber cable. It weighs in at 128g grams with the cable and 96g without the cable, has Yes, 8 x 4g weights and is approximately 131 x 69 x 43 mm (LxWxH).
The EC1-B by Zowie Gear uses an Optical sensor from PixArt, specifically the 3360, providing a DPI/CPI range of 400 / 800 / 1600 / 3200. It uses a USB connection with a 2m cable.