Xiaomi MIX 4

The Xiaomi MIX 4 is an Android smartphone launched on 10 August 2021 by Xiaomi.[1][2] As of 2021, it is the latest successor to the Xiaomi Mi MIX product line and follows its immediate predecessor the Xiaomi Mi MIX 3 which launched in 2018. The MIX 4 is the first device from Xiaomi to offer an under-display selfie camera,[3] following the Axon 20 5G[4] and Axon 30[5] from ZTE; Oppo also previewed the technology a week before the MIX 4's release.[6]

Xiaomi MIX 4
BrandXiaomi
ManufacturerXiaomi
SeriesMIX
Compatible networks2G, 3G, 4G, 4G LTE, 5G
First releasedAugust 16, 2021 (2021-08-16)
PredecessorXiaomi Mi MIX 3
RelatedXiaomi Mi MIX Alpha
Xiaomi Mi MIX Fold
TypePhablet
Form factorSlate
Dimensions162.6 mm × 75.4 mm × 8 mm (6.40 in × 2.97 in × 0.31 in)
Mass225 g
Operating systemMIUI 12.5 based on Android 11
System-on-chipQualcomm Snapdragon 888+
CPUOcta-core, (1x 2.99 GHz Kryo 680 Prime – Cortex-X1 derivative + 3x 2.42 GHz Kryo 680 Gold – Cortex-A78 derivative + 4x 1.8 GHz Kryo 680 Silver – Cortex-A55 derivative)
GPUAdreno 660
Memory128, 256 or 512 GB UFS 3.1
Storage8 or 12 GB RAM
Removable storageNone
Battery4500 mAh
Charging120 W USB-C, 50 W Wireless
Display6.67 in (169 mm) AMOLED capacitive touchscreen, 1080p 2400 × 1080 pixels, 20:9 aspect ratio (395 ppi), 120 Hz refresh rate, HDR10+, Dolby Vision
SoundStereo loudspeakers
Rear camera108 MP, f/1.9, 24 mm, 1/1.33", 0.8µm (wide) + 8 MP, f/4.1, 120 mm (telephoto) + 13 MP, f/2.2, 12 mm, 123°, 1/3.06", 1.12µm (ultrawide)

Dual Pixel PDAF, Laser AF, OIS, 5x optical zoom

8K@24fps, 4K@30/60fps, 1080p@30/60/120/480fps, gyro-EIS, HDR10+
Front cameraUnder-display 20 MP, 27 mm, 1/3.4", 0.8µm, 1080p@30fps
ConnectivityWi-Fi 802.11a/b/g/n/ac/6e (2.4 & 5GHz), dual-band, WiFi Direct, hotspot, Ultra-wideband support
Bluetooth V5.2, A2DP, Low-energy, aptX HD, dual-band A-GPS, GLONASS, GALILEO, BDS, QZSS, NavIC, USB Type-C 2.0
Data inputs

Design
Back panel of MIX 4 in Ceramic Gray

Front panel made from Corning Gorilla Glass Victus. The back is made up of ceramic.

The camera unit design is similar to Xiaomi Mi 11 Ultra.

On the bottom side there is a USB-C port, speaker, microphone and dual SIM tray. On the top side, there is an additional microphone, IR blaster and second speaker. On the right side, there is a volume rocker and power button.

Xiaomi MIX 4 is available in 3 colors: Ceramic Black, Ceramic White and Ceramic Gray.

Hardware

Chipset

The MIX 4 is the first phone to use the Qualcomm Snapdragon 888+ SoC. It has an overclocked Kryo 680 Prime (Cortex-X1) performance core which runs at 2.99 GHz compared to 2.84 GHz on the 888.[7]

References
  1. "Xiaomi Launches Xiaomi MIX 4 in Mainland China – The return of the boundary-defying MIX Series – Mi Blog". Xiaomi. Archived from the original on 2021-08-10.
  2. Byford, Sam (2021-08-10). "Xiaomi announces Mix 4 with under-display camera". The Verge. Archived from the original on 2021-08-10.
  3. "Mi MIX 4 with under-screen camera and UWB support launched in China". xda-developers. 2021-08-10.
  4. Byford, Sam (2020-12-21). "The world's first under-display selfie camera isn't very good". The Verge.
  5. Vincent, James (2021-07-28). "ZTE's newest under-display selfie camera looks slightly improved". The Verge.
  6. Byford, Sam (2021-08-03). "Oppo announces 'next-generation' under-display selfie camera". The Verge.
  7. "Snapdragon 888+ emerges on Geekbench, Cortex-X1 core clocks in at 3Ghz". GSMArena.com. Retrieved 2021-08-14.
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