However, only the Fitbit Charge 4 has its own on-board GPS, whereas the Luxe uses 'connected GPS', which means it has to piggyback on your phone to determine your location. Fitness trackingīoth the Fitbit Charge 4 and Luxe track over 20 different forms of exercise, and can begin tracking certain workout types automatically if you forget to enable the option yourself. They are both compatible with both Android and iOS smartphones. You can also use the Fitbit Charge 4 to control your Spotify playlist, and it has NFC so you can make contactless purchases using Fitbit Pay. Neither of these devices are fully-fledged smartwatches (if that's what you're looking for, take a look at the Fitbit Sense and Versa 3), but they still have a modest selection of tools to help you in everyday life,īoth the Fitbit Charge 4 and Fitbit Luxe allow you to receive call and text alerts, plus smartphone app notifications on your wrist. Fitbit Charge 4 has NFC for contactless payments.Fitbit Charge 4 can control Spotify playlist.The Fitbit Luxe has a vivid, high resolution AMOLED screen (Image credit: Fitbit) Features Smartwatch features We're hopeful that the Fitbit Charge 5 will have a color screen when it launches (likely in 2022), but we suspect it won't be a striking AMOLED like the Luxe's. It's slightly larger, measuring 1in diagonally, but has a 100 x 160 pixel resolution and is a backlit monochrome OLED rather than full color. The Fitbit Charge 4's display is functional, but much less impressive. Colors are vibrant, and it looks striking even at a low brightness setting. Although the narrow AMOLED display measures just 0.76in on the diagonal, is has a resolution of 124 x 206 pixels, meaning graphics and text are smooth and crisp. The Fitbit Luxe has one of the best screens of any fitness tracker we've tested. Luxe is slightly smaller, but higher resolution.Fitbit Charge 4 is monochrome backlit OLED.The special edition comes with both the silicone band and a woven strap with reflective strands worked into the material. The Charge 4's case and buckle are plastic, and it has a silicone band with a subtle diamond texture. It's available in a range of dark colors (black, navy blue and deep purple). The Fitbit Charge 4 was released before Fitbit introduced its Biologic Design Language, and has a more angular look.

The Fitbit Charge 4 has a more angular design than the Fitbit Luxe, with a plastic case rather than stainless steel (Image credit: Fitbit)

Fitbit luxe charger