| Price | $1,199 | $459/$719 (single/dual) | $999 | $679 |
| Available today | Yes | Global | Started shipping October 2017 | Global |
| Measurement Type | Direct Force | Direct Force | Direct Force | Direct Force |
| Attachment area | Pedal | Pedal | Pedals | Pedals |
| Attachment limitations | Shiman oSPD | LOOK KEO COMPATIBLE CLEATS ONLY | LOOK KEO COMPATIBLE CLEATS ONLY | Look Keo variant cleats only |
| Weight (additional/net) | 172g per pedal | 150g per pedal (inclusive of pods) | 161g per pedal | 216g per pedal |
| Wireless Connectivity Type | ANT+/Bluetooth Smart | ANT+/BLUETOOTH SMART (DUAL) | ANT+/Bluetooth Smart | ANT+/Bluetooth Smart (Dual) |
| Unit auto-turns on when on bike | Yes | Yes | Yes | Yes |
Battery | SRM X-Power | Favero Assioma Power Meter Pedals (Dual) | Garmin Vector 3 | PowerTap P1 Pedals | | Battery Life | 30ish hours | 50 Hours | 120-150 hours | 60hrs+ |
| User or Factory battery replacement | Factory (support issue only) | FACTORY (SUPPORT ISSUE ONLY) | User | User |
| Battery type | Recharageable | Rechargeable | LR44 | AAA |
| Low Battery Warning | Yes | Yes | Yes | Yes |
Features | SRM X-Power | Favero Assioma Power Meter Pedals (Dual) | Garmin Vector 3 | PowerTap P1 Pedals | | Measures/Transmits Cadence | Yes | Yes | Yes | YEs |
| Ability to update firmware | Yes | Yes | Yes | Yes |
| Transmits Left/Right Power Balance (Measured) | Yes | Yes | Yes | Yes |
| Transmits Pedal Smoothness | Yes | Yes | Yes | Yes |
Accuracy | SRM X-Power | Favero Assioma Power Meter Pedals (Dual) | Garmin Vector 3 | PowerTap P1 Pedals | | Measures all power output | Yes | Yes | Yes | Yes |
| Claimed Accuracy Level | +/- 1.5% | +/- 1% | +/- 1% | +/- 1.5% |
| Includes temperature compensation | Yes | Yes | Yes | Yes |
| Supports auto-zero function | Yes | Yes | Yes | YEs |
| Supports manual calibration | Yes | Yes | Yes | Yes |
| Supports hanging weights (static test) | Yes | Yes | Yes | No |
Software | SRM X-Power | Favero Assioma Power Meter Pedals (Dual) | Garmin Vector 3 | PowerTap P1 Pedals | | Phone App to Configure/Test | Yes | Yes | Yes | Yes |
Purchase | SRM X-Power | Favero Assioma Power Meter Pedals (Dual) | Garmin Vector 3 | PowerTap P1 Pedals | | Amazon | | Link | Link | Link |
| Backcountry.com | | | Link | |
| Competitive Cyclist | | | Link | |
| REI | | | Link | |
DCRainmaker | SRM X-Power | Favero Assioma Power Meter Pedals (Dual) | Garmin Vector 3 | PowerTap P1 Pedals | | Review Link | Link | Link | Link | Link |