Home Comparison Last updated:February 15, 2021A year ago it was the launch of the Xiaomi Mi Band 3 and Xiaomi confirmed last March that the Mi Band 4 smart band will arrive this year, although for the time the exact launch date is unknown. Before its release, we will make a comparison with its predecessor, the Mi Band 3, and its possible features. Then, here are the similar and different features between the Xiaomi Mi Band 4 vs Xiaomi Mi Band 3. MediaTek Helio M70 5G Chipset Debuts – 7nm process, A77 CPU Xiaomi Mi Band 4 Vs Xiaomi Mi Band 3 What's Inside Xiaomi Mi Band 4 vs Xiaomi Mi Band 3 – ComparisonScreen DifferenceDesign DifferenceConnectivity DifferenceBattery DifferencePrice Comparison Xiaomi Mi Band 4 vs Xiaomi Mi Band 3 – Comparison Screen Difference The leaks of the Mi Band 4, the new Xiaomi smart bracelet, reveal what will be its main feature: the color screen. There have been leaks since weeks, but now we find real images that would get us out of doubt. This is a significant change with respect to the Mi Band 3, which can also be controlled through the screen but it is black and white. Xiaomi Mi Band 4 Leak Until now it is unknown if the screen has been increased in size and resolution because many details have not been shared, but rumors say that the display of the Mi Band 4 will be an AMOLED panel with a diagonal of 0.95-inch that helps reduce energy consumption. Remember that the Xiaomi Mi Band 3 has a 0.78-inch OLED screen. Xiaomi Mi Band 3 Screen The previous features would also offer an improvement in the reproduction and in the visual aspect of the notifications, applications, and others, of the screen. Thanks to the customization, users can, for example, change the colors, the font or the style of the different APPs. Design Difference The module of the Xiaomi Band 4 itself, would continue to integrate the heart rate sensor at the rear as in its predecessor. But we can also see the company logo on the back, but its position will change because now it will be over the sensors. Likewise, the new wearable continues lines of a design similar to other smart bands of the brand. Xiaomi Hey+ – The appearance of the Xiaomi Mi Band 4 will be similar to this design. In the design of the Xiaomi Mi Band 3, we see a button integrated into the module. This was an elegant touch that made it stand out. However, this “small circle” touch button that we already mentioned that is at the bottom of the screen of the Mi Band 3, was replaced by a type incorporated in the Mi Band 4. Xiaomi Mi Band 4 Leak In some images, the strap looks exactly the same as that of the Mi Band 3 but we don’t know yet the manufacture materials. Connectivity Difference Unlike its predecessor, it is said that the Mi Band 4 would come equipped with a microphone to integrate the voice commands as another of its main features. However, the artificial intelligence in charge of complying with the commands would be from Xiaomi itself, so it would only work in China. Then, it is expected to be compatible with the Xiaomi AI Little Love Classmate system so you can control smart home devices and set the alarm clock on your smartphone. Xiaomi Mi Band 4 Xiaomi Mi Band 3 Additionally, the Xiaomi Mi Band 4 bracelet will have an improvement to measure the heart rate because it will be equipped with a medical grade heart rate detection function. It will measure us 24 hours a day automatically. Xiaomi Mi Band 3 Rear The Xiaomi Mi Band 3 includes Bluetooth 4.2 LE that supposed a lower power consumption with respect to its predecessor. Another innovation was the inclusion of a version with NFC technology. In the case of the Xiaomi Mi Band 4, there will also be two models. But this time, both versions of the wristband will support the latest Bluetooth 5.0 protocol and only the higher version will be compatible with the NFC function. Battery Difference By having a color screen, the battery life of the Xiaomi Mi Band 4 will be affected. To solve this problem, it will be updated with a capacity of 110 mAh to 135 mAh, according to the previous generation. All of this to maintain the energy saving of the device. Xiaomi Mi Band 4 Leak Other feature that change is that the Mi Band 4 itself would now have the charging connector on the back. Finally, we will not have to remove the module from the strap to be able to charge the device, like in the Mi Band 3. Price Comparison It is estimated that the price of the regular version of Xiaomi Mi Band 4 will be between 200 and 300 yuan ($29 and $44, respectively), while the NFC version will sell for around 500 yuan ($73). However, initially, the Xiaomi Mi Band 3 was sold for a price of 179 yuan (approximately $26). And the NFC version reached a cost of only 199 yuan ($31).