Xiaomi Mi Mix 4 Review

Score: 89 / 100

Xiaomi Mi Mix 4 is a high quality Android device launched a few years ago, including a huge 6.7-inches display, a high-tech Octa-Core processing unit running at 3 GHz, and two cameras, a 108 MP back facing camera and a 20 megapixels front camera. That's everything we have to say? No, it's only the starting point of a detailed review.

This cellphone ships with an extremely fast Octa-Core processor clocking at 3000 MHz, packed into the Qualcomm Snapdragon 888+ SM8350-AC system chip with a great 8 GB RAM memory. A good advantage of the Xiaomi Mi Mix 4 is the 128 GB astonishing internal storage memory and though it doesn't include an SD memory card expansion slot, it it is more than enough to store hundreds of applications and even the largest games currently available without worrying about filling it.

This cellphone is offerred in three colors, ceramic black, ceramic white and shadow gray. The Xiaomi Mi Mix 4 feels a bit heavy comparing with today standards, with a weight of 7.94 ounces. Talking about its materials, the Xiaomi Mi Mix 4 is majorly made of Ceramic and Aluminum . The Xiaomi Mi Mix 4 is incredibly thin and good-looking, with a thickness of just 0.31". Although this phone is only 6.4" long, it manages to hold a 6.7 inches screen.

Xiaomi designed this phone with a high-tech 6.7 inches screen, and a 1080 x 2400 resolution, which makes all images and videos look brightful and colorful.

The Xiaomi Mi Mix 4 features WiFi capability (and it can be provided to other devices acting as a mobile hotspot), 5G super high bandwidth internet connection, LTE-A 4G super quick connection and also HSPA+ connection type (a lower speed 4G type) and 3G fast connectivity, supported by HSDPA technologies. The Xiaomi Mi Mix 4 has 2 Nano SIM cards so it is able to use two different phone lines in the same phone.

This cellphone features two cameras, a 108 megapixels back-facing camera and a 20 megapixels front facing camera. Its back-facing camera has a maximum F1.9 aperture so it can capture very nice pictures even in dark situations. It also films 7680x4320 videos at 24 frames per second, and slow motion videos in 1920x1080 (Full HD) up to 480 fps (16 times slower than regular videos). This camera also has auto-focus and time lapse video.

This cellphone also features lots of cool characteristics like Fingerprint Sensor, Wireless charging capability, NFC, Bluetooth (allows communication with other bluetooth devices, computers, and accessories) and GPS, and multiple sensors like Light Sensor, Proximity Sensor, Accelerometer, Gyroscope, Barometer and Compass.

This phone packs a 4500 mAh great Li - Ion non-removable battery that provides the Xiaomi Mi Mix 4 an amazing battery life. An issue to evaluate is that this device's battery isn't removable so you can't buy a new battery when it begins to lose capacity, while with such a great capacity you will probably buy a new device before that becomes an issue.

If you are looking for a phone for gaming, are looking for a device for work, are an amateur photographer or are looking for a cellphone to majorly use social networks, this device is definitely a good choice . Xiaomi packs the Xiaomi Mi Mix 4 with Pins, Instructions (including three packs of certificates) , USB Type-C data cable, Power adapter, Film (covered on the screen), Type-C to 3.5mm headphone cable and Mobile phone protective shell.

Buy a Xiaomi Mi Mix 4 on Amazon

All prices and availabilities as of 2023-07-24 00:30:04 UTC/GMT -7   Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on at the time of purchase will apply to the purchase of this product.

Disclaimer: As an Amazon Associate I earn from qualifying purchases.


Device Type:Phone
Operating System (OS):Android 11
Dimensions:6.40 x 2.97 x 0.31 inchesMetric16.26 x 7.54 x 0.79 cmImperial
Weight:7.94 ouncesMetric225.1 gImperial
Colors:Ceramic Black, Ceramic White and Shadow Gray
Materials:Aluminum and Ceramic
Scratch Resistant Glass:Yes
Accessories: Pins, Film (covered on the screen), Instructions (including three packs of certificates) , Mobile phone protective shell, Power adapter, Type-C to 3.5mm headphone cable, USB Type-C data cable
Release date:2021-08-10


Screen Type:AMOLED
Size:6.7 inchesMetric17 cmImperial
Resolution:2400 x 1080 pixels
Pixel density:393 pixels per inchMetric154.72 pixels per cmImperial
Touch screen:No


Chipset:Qualcomm Snapdragon 888+ SM8350-AC
Processor:Kryo 680 Prime, 64-bit, 5 nm (Octa-Core 3000 MHz)
RAM Memory:8 GB
Graphics Processor:Adreno 660
Internal Memory:128 GB
SD Card Slot:No SD card slot


Battery type:Li - Ion
Capacity:4500 mAh
Wireless Charging:Yes


Back camera:108 megapixels
    Focal length:24mm (35mm equivalence)
    Sensor size:0.75 inches (1/1.33")
Front camera:20 megapixels
Max video resolution:7680 x 4320 (24 fps)
Max slow motion video:1920 x 1080 (480 fps) (Full HD)
Camera features:Auto-Focus, Slow Motion Video (16 times slower) and Time Lapse Video


    Mobile Hotspot:Yes
SIM Card Type:Nano SIM
Dual SIM:Yes
5G Bands:n1, n3, n5, n8, n28, n41, n77, n78, n79, SA, NSA, Sub-6
LTE (4G) Bands:1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)
UMTS Bands:Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900), 19(800)
Technologies:5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA

Other Features

Bluetooth:Version 5.2
NFC (Near Field Communication):Yes
Fingerprint ID:Yes
Sensors:Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor