| Price | $199 | $249 |
| Body Placement | Wrist | Wrist |
| Data Transfer Type | Bluetooth Smart | Bluetooth Smart |
| Bluetooth to Phone | Yes | Yes |
| Has GPS built-in | No (can use phone's GPS though) | Yes |
| Waterproofing | Splash/Rain only | ATM5 (~50m), but no swimming |
| Battery Life | 5 Days | 5-7 Days |
| Battery Type | USB Rechargeable | USB Rechargeable |
| Changeable Bands/Straps | Yes | No |
| Phone Music Control | yes | Yes |
Watch | Fitbit Blaze | Fitbit Surge | | Displays time | Yes | Yes |
| Has time alarms | Yes | Yes |
| Has smart sleep alarms | No | No |
Notifications | Fitbit Blaze | Fitbit Surge | | Smartphone Notifications | Text/Phone only | Yes |
Workouts | Fitbit Blaze | Fitbit Surge | | Workout guidance/coaching | Yes | No |
Data | Fitbit Blaze | Fitbit Surge | | Step Counter | Yes | Yes |
| Stairs Climbed | YEs | Yes |
| Distance Walked | YEs | YEs |
| Calories Burned | Yes | YEs |
| Sleep Metrics | Yes | YEs |
| 24x7 HR Metrics | YEs | Yes |
Sensors | Fitbit Blaze | Fitbit Surge | | Skin Temperature | No | No |
| Heart Rate | Yes (Internal) | Yes |
| Optical Heart Rate | Yes | Yes |
| Can re-broadcast Heart Rate data | No | No |
| Skin Perspiration | No | No |
| Cycling Sensors | No | No |
| Action Camera Control | No | No |
Software | Fitbit Blaze | Fitbit Surge | | Web Application | Yes | Yes |
| PC Application | Yes | YEs |
| Mac Application | Yes | Yes |
| Phone Apps | iOS/Android/Windows Phone | iOS/Android/Windows Phone |
| Ability to export/sync settings from computer/phone | Yes | Yes |
Platform | Fitbit Blaze | Fitbit Surge | | 3rd parties can access data via API | Yes | Yes |
| Ability to export your data out of platform | Yes | Yes |
Purchase | Fitbit Blaze | Fitbit Surge | | Amazon | Link | Link |
DCRainmaker | Fitbit Blaze | Fitbit Surge | | Review Link | Link | Link |