Xiaomi 12X

Name: Xiaomi 12X
Brand: Xiaomi

Display6.28" 1080 x 2400 pixels

ChipsetQualcomm SM8250-AC Snapdragon 870 5G (7 nm)

Main camera50MP

Battery4500 mAh

7.7GoSolo score

More Xiaomi

Network

Technology

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

2G bands

GSM 850 / 900 / 1800 / 1900

3G bands

HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100

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

5G bands

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

Speed

HSPA, LTE, 5G

Launch

Announced

2021, December 28

Status

Available

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

Nano-SIM + Nano-SIM

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

Android 11, MIUI 13

Chipset

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

CPU

Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)

GPU

Adreno 650

AnTuTu (v11, est.)

598003

Memory

Card slot

Internal

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

Type

UFS 3.1

Main Camera

Modules

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

Module

32 MP, f/2.5, 26mm (wide), 0.7µm

Features

HDR, panorama · 1080p@30/60fps, 720p@120fps, HDR

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)

Radio

USB

USB Type-C 2.0, OTG

Features

Sensors

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

Battery

Type

Li-Po 4500 mAh

Charging

Quick Charge 4

Misc

Colors

Gray, Blue, Purple

Models

2112123AC, 2112123AG

SAR

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

GoSolo Read / what it means5 takeaways

performance

Snapdragon 870, 8 cores, 3.2 GHzHandles demanding games like PUBG Mobile and Genshin Impact at high settings, though you may need to dial back effects to keep frame rates steady.

display

120Hz AMOLED, 419 ppiScrolling and swiping feels smooth; brightness is typical for indoor use, but direct sunlight readability may require shade or max brightness.

battery

4500 mAh, about 1 day light useA full day of browsing, messaging, and calls is possible, but heavy gaming or video will pull you toward an evening charge.

charging

Quick Charge 4, roughly 60–80 minutesNot fast by 2024 standards, so plan for a longer top-up if your battery dips mid-day.

storage

128 GB or 256 GB UFS, 8 or 12 GB RAMThe 256 GB option gives room for apps and media; 12 GB RAM handles multitasking and heavy games without lag, but the 128 GB base model fills quickly.