
Fitbit Charge 2
Score: 78/100
Amazfit Band 7
Score: 80/100Rankings

The Amazfit Band 7 is a budget-friendly fitness band featuring a 1.47-inch AMOLED screen, up to 18 days of battery life, and 120 sport modes with Alexa integration. It lacks built-in GPS and can suffer from app sync issues. It targets casual fitness enthusiasts who value long battery and a vibrant display.

The Fitbit Charge 2 delivers continuous PurePulse heart-rate monitoring, 4-day battery life, and water resistance up to 50 m, complemented by phone-connected GPS. Its limitations include a small tap-activated OLED display and lack of built-in GPS or SpO₂ monitoring. Ideal for users seeking a reliable, brand-trusted tracker for basic fitness and sleep tracking.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 432 hoursbest | |
| ↓ lower better | 31.8 g | 28 gbest |
0.72 in | 1.47 inbest | |
— | 120best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Battery & Power(1) | ||
Battery Life (hours) | 4 days hours | 432 hours |
Build & Design(1) | ||
Weight (g) | 31.8 g | 28 g |
Display(3) | ||
Screen Size (in) | 0.72 in | 1.47 in |
Display Type | OLED | AMOLED |
Resolution (px) | 128x72 px | 194x368 px |
Connectivity(1) | ||
Bluetooth Version | 4.0 | 5.2 |


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

Professional reviewers commend the Charge 2 for its surprisingly accurate heart-rate tracking that aligns with chest-strap references, its comprehensive suite of fitness and sleep features, and its solid 4-day battery life.
Everyday users value the 24/7 heart-rate monitoring, comfortable small blue band, auto-sleep and exercise detection, and the long battery that minimizes charging.

Professional reviewers view the Amazfit Band 7 as a strong budget option, lauding its long battery life, bright AMOLED display and generous feature set including Alexa and 120 sport modes. They note the trade-offs of missing GPS, limited advanced health sensors and occasional app sync issues, positioning it as a value-focused alternative to pricier smart bands.
Everyday users praise the Band 7 for its impressive battery endurance, vibrant screen and comfortable all-day wear, especially appreciating its water resistance for swimming. Common complaints revolve around app stability, occasional heart-rate inaccuracies, the band's length on smaller wrists, and the lack of independent GPS for outdoor activities.
“Fitbit aesthetics for under $50”

“nice 1.47-inch HD AMOLED”

“surprising battery life”

