Xiaomi 12X

Network
Technology
GSM / CDMA / HSPA / EVDO / LTE / 5G

2G bands
GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2

 
CDMA 800

3G bands
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100

 
CDMA2000 1xEV-DO

4G bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66 – International

 
1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42 – China

5G bands
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA – International

 
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA – China

Speed
HSPA, LTE, 5G

Launch
Announced
2021, December 28

Status
Available. Released 2021, December 31

Body
Dimensions
152.7 x 69.9 x 8.2 mm (6.01 x 2.75 x 0.32 in)

Weight
176 g (6.21 oz)

SIM
Dual SIM (Nano-SIM, dual stand-by)

Display
Type
AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 1100 nits (peak)

Size
6.28 inches, 95.2 cm2 (~89.2% screen-to-body ratio)

Resolution
1080 x 2400 pixels, 20:9 ratio (~419 ppi density)

Protection
Corning Gorilla Glass Victus

Platform
OS
Android 11, MIUI 13

Chipset
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)

CPU
Octa-core (1×3.2 GHz Kryo 585 & 3×2.42 GHz Kryo 585 & 4×1.80 GHz Kryo 585)

GPU
Adreno 650

Memory
Card slot
No

Internal
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM

 UFS 3.1

Main Camera
Triple
50 MP, f/1.9, 26mm (wide), 1/1.56″, 1.0µm, PDAF, OIS
13 MP, f/2.4, 12mm, 123˚ (ultrawide), 1/3.06″, 1.12µm
5 MP, f/2.4, 50mm (telephoto macro), AF

Features
Dual-LED dual-tone flash, HDR, panorama

Video
8K@24fps, 4K@30/60fps, 1080p@30/120/240/960fps, gyro-EIS

Selfie camera
Single
32 MP, f/2.5, 26mm (wide), 0.7µm

Features
HDR, panorama

Video
1080p@30/60fps, 720p@120fps, HDR

Sound
Loudspeaker
Yes, with stereo speakers

3.5mm jack
No

 24-bit/192kHz Hi-Res audio
Tuned by Harman Kardon

Comms
WLAN
Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi 6 (market dependent), dual-band, Wi-Fi Direct

Bluetooth
5.1 / 5.2, A2DP, LE

Positioning
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)

NFC
Yes (market/region dependent)

Infrared port
Yes

Radio
No

USB
USB Type-C 2.0, OTG

Features
Sensors
Fingerprint (under display, optical), accelerometer, proximity, gyro, compass

Battery
Type
Li-Po 4500 mAh, non-removable

Charging
67W wired, PD3.0, QC4, 100% in 39 min (advertised)

Misc
Colors
Gray, Blue, Purple

Models
2112123AC, 2112123AG

SAR EU
0.59 W/kg (head)     1.00 W/kg (body)    

Price
$ 299.99 / € 225.49

Tests
Performance

AnTuTu: 598003 (v8), 690298 (v9)
GeekBench: 3168 (v5.1)
GFXBench: 47fps (ES 3.1 onscreen)

Display

Contrast ratio: Infinite (nominal)

Camera

Photo / Video

Loudspeaker

-25.6 LUFS (Very good)

Battery (old)

Endurance rating 105h