
Fitbit Charge 6
Score: 71/100
Xiaomi Smart Band 9 Pro
Score: 82/100Rankings

The Xiaomi Smart Band 9 Pro is a premium fitness tracker featuring a 1.74-inch AMOLED screen, multi-constellation GNSS and up to 21 days of battery life, targeting outdoor enthusiasts who need accurate phone-free GPS. Its larger size, lack of NFC and occasional auto-brightness lag may deter users seeking a slimmer, fully featured smartwatch. Best for athletes who prioritize a bright display and robust GPS over ultra-thin design.

The Fitbit Charge 6 is a slim fitness tracker with a bright 1.04-inch AMOLED display and built-in GPS, offering up to seven days of battery life. Its reliance on a Google account and lack of an official IP rating limit its appeal for some users. Ideal for fitness enthusiasts who value comprehensive health tracking and Google integration.
| Attribute | ![]() | ![]() |
|---|---|---|
168 hours | 504 hoursbest | |
168 mAh | 350 mAhbest | |
| ↓ lower better | 133 g | 40 gbest |
1.04 inches | 1.74 inchesbest | |
| ↓ lower better | 120 minutes | 75 minutesbest |
| ↓ lower better | 11.176 mmbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Battery & Power(3) | ||
Battery Life (hours) | 168 hours | 504 hours |
Battery Capacity (mAh) | 168 mAh | 350 mAh |
Charging Time (minutes) | 120 minutes | 75 minutes |
Connectivity(1) | ||
Bluetooth Version | 5.0 | 5.4 |
Display(1) | ||
Display Size (inches) | 1.04 inches | 1.74 inches |
Build & Design(2) | ||
Weight (g) | 133 g | 40 g |
Water Resistance (IP Rating) | 5 ATM | 5ATM |


Products in the top-left offer the best value (high score, low price).

Professional reviewers highlight the Charge 6's strong Google integration, accurate built-in GPS, and impressive seven-day battery as key strengths, while noting the mandatory Google account and lack of an official IP rating as drawbacks.
Everyday users praise the tracker for its comfortable fit, reliable health and GPS data, and the convenience of Google Wallet and notification support. Common complaints revolve around the forced Google account login, occasional syncing hiccups, and band sizing issues on smaller wrists.

Professional reviewers consider the Smart Band 9 Pro a significant step forward, emphasizing its expansive high-brightness display, robust GNSS capabilities, and comprehensive sport and health features. While the device is praised for comfort and visual clarity, the only notable drawback mentioned is the occasional lag in automatic brightness adaptation under sudden lighting changes.
Everyday users love the vivid screen, long battery life, and reliable GPS for workouts, finding the health sensors valuable. Common frustrations revolve around the band's bulk on smaller wrists, delayed auto-brightness in sunlight, and the need to replace the strap for extended comfort during long wear.
“Common praise includes comfortable all-day wear, reliable heart rate/GPS for runs/swims, seamless Google Wallet/notifications, and motivational scores (Readiness, Cardio Fitness).”

“Recurring complaints focus on mandatory Google account shift (frustrating for some), occasional sync issues, and band fit inconsistencies on smaller wrists.”

“Large 1.74-inch AMOLED screen with 336 × 480, 1200 nits is "really useful"”

