They are distinct hardware revisions, not just names. "Sixaxis" refers to the launch controller (2006–2008); "DualShock 3" is the 2008 revision that added vibration.
| Feature | Sixaxis (CECHZC1) | DualShock 3 (CECHZC2 / A1) |
|---|---|---|
| Release | Nov 2006 (JP/NA), Mar 2007 (EU) | Jan 2008 (JP), Apr 2008 (NA/EU) |
| Vibration (Rumble) | None (Immersion lawsuit) | Yes (Dual analog motors) |
| Motion Sensing | Yes (6-axis accel/gyro) | Yes (identical) |
| Weight | ~158g | ~192g (+34g motors) |
| Battery Life | ~30 hrs | ~15–20 hrs (rumble drain) |
| Cable | Mini-USB (charge only) | Mini-USB (charge + data) |
| PS Button | Flat, flush | Raised, textured |
| Label | "SIXAXIS" printed | "DUALSHOCK 3" printed |
| Firmware Required | 1.0+ | 1.94+ |
Tip: Check manufacture date on back sticker (e.g., 2008/05 = May 2008 = DS3).