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Oura Ring 3 | Xiaomi Mi Band 3i | OnePlus Band | Oppo Band | Oppo Band Style | Xiaomi Mi Band 5 NFC | Xiaomi Mi Band 5 | Amazfit Band 5 | Xiaomi Mi Smart Band 6 | Redmi Smart Band | |
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WeightWe consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products. | ||||||||||
WeightWe consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products. | 6 g | 8.5 g | 10.3 g | 10.3 g | 10.3 g | 11.9 g | 11.9 g | 11.9 g | 13 g | 13 g |
Screen sizeThe size of the screen (measured diagonally). | ||||||||||
Screen sizeThe size of the screen (measured diagonally). | Not applicable | 0.78" | 1.1" | 1.1" | 1.1" | 1.1" | 1.1" | 1.1" | 1.56" | 1.08" |
Pixel densityPixel density is a measurement of a screen's resolution, expressed as the number of pixels per inch (PPI) on the screen. A higher pixel density translates into more clarity and sharpness for the images rendered on the screen, thus improving the quality of the viewing experience. | ||||||||||
Pixel densityPixel density is a measurement of a screen's resolution, expressed as the number of pixels per inch (PPI) on the screen. A higher pixel density translates into more clarity and sharpness for the images rendered on the screen, thus improving the quality of the viewing experience. | Not applicable | 194 ppi | 290.78 ppi | 291 ppi | 290 ppi | 290 ppi | 290 ppi | 290 ppi | 326 ppi | 232 ppi |
Battery lifeWith a longer battery life, you don’t have to worry about charging the device as often. | ||||||||||
Battery lifeWith a longer battery life, you don’t have to worry about charging the device as often. | 7 days | 20 days | 14 days | 14 days | 12 days | 14 days | 14 days | 14 days | 14 days | 14 days |
Heart rate monitorA heart rate monitor can help show your fitness levels, enabling you to calculate a suitable intensity of exercise. | ||||||||||
Heart rate monitorA heart rate monitor can help show your fitness levels, enabling you to calculate a suitable intensity of exercise. | ✔ | ✖ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Pulse oximeter sensorYour blood oxygen level is a measurement how much oxygen is reaching your muscles. It is important because low levels mean that you will become easily fatigued during exercise. The more exercise you do, the better your blood oxygen levels will become. | ||||||||||
Pulse oximeter sensorYour blood oxygen level is a measurement how much oxygen is reaching your muscles. It is important because low levels mean that you will become easily fatigued during exercise. The more exercise you do, the better your blood oxygen levels will become. | ✔ | ✖ | ✔ | ✔ | ✔ | ✖ | ✖ | ✔ | ✔ | ✖ |
GPSGPS enables global positioning, useful in map, geo-tagging or navigation apps. | ||||||||||
GPSGPS enables global positioning, useful in map, geo-tagging or navigation apps. | ✖ | ✖ | ✖ | ✖ | ✖ | ✖ | ✖ | ✖ | ✖ | ✖ |
Sleep trackingIt can track your sleep, such as how long you sleep for and the quality. | ||||||||||
Sleep trackingIt can track your sleep, such as how long you sleep for and the quality. | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Automatic activity detectionThe device automatically detects when you start an activity such as jogging, saving you from entering it manually at a later time. | ||||||||||
Automatic activity detectionThe device automatically detects when you start an activity such as jogging, saving you from entering it manually at a later time. | ✔ | ✔ | ✖ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Fitness trackers allow active individuals to monitor biometrics, such as their blood oxygen level, heart rate, and even sleep cycles. Sure, smartwatches nowadays have all the essential functions of activity trackers (counting steps, measuring the distance traveled, measuring heart rate), but accurately monitoring specific sports activities such as swimming and cycling requires a fitness tracker.
If you’re swimming laps in the pool or running a marathon, you’ll want to look for one of the lightest fitness trackers to ensure that the device doesn’t get in the way of your performance. Here’s what we suggest looking for when comparing fitness trackers.
While most people might think that fitness trackers resemble smartwatches in style, there are actually various types of fitness trackers: wristband fitness trackers, watch-style fitness trackers, and clip-on fitness trackers. Wristband trackers are usually the lightest, but they also often come with the smallest displays.
Watch-style trackers are larger but more stylish, and clip-on trackers are small and discreet. It’s important to understand, though, that while a clip-on fitness tracker might be the lightest option, they don’t always offer the full spectrum of features that others do and can sometimes even lack a screen.
If you’re interested in something that looks sleek and slim, look at the fitness tracker’s width. In this context, we’re talking about the width of the screen itself, as some fitness trackers come with interchangeable wristbands that allow you to swap out the band in favor of something thinner, lighter, or simply different.
Depending on the activity you’ll be engaging in, and your individual body composition, an ideal fitness tracker’s maximum weight might change. We’d consider a lightweight fitness tracker to be anyone weighing under 200g, which most wearers seem to feel is about the maximum weight they’re able to support on their wrists while engaging in physical activity.