Xiaomi Mi 12X 5G Dual 256GB 8GB RAM Factory Unlocked (GSM Only | No CDMA - not Compatible with Verizon/Sprint) Global Version - Gray

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  • Xiaomi	Mi 12X 5G Dual 256GB 8GB RAM Factory Unlocked (GSM Only | No CDMA - not Compatible with Verizon/Sprint) Global Version - Gray
  • Xiaomi	Mi 12X 5G Dual 256GB 8GB RAM Factory Unlocked (GSM Only | No CDMA - not Compatible with Verizon/Sprint) Global Version - Gray
  • Xiaomi	Mi 12X 5G Dual 256GB 8GB RAM Factory Unlocked (GSM Only | No CDMA - not Compatible with Verizon/Sprint) Global Version - Gray
  • Xiaomi	Mi 12X 5G Dual 256GB 8GB RAM Factory Unlocked (GSM Only | No CDMA - not Compatible with Verizon/Sprint) Global Version - Gray

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Xiaomi 12X - Specifications
  • Snapdragon 870 mobile platform
  • WiFi 6 + LPDDR5 + UFS 3.1
  • 2600mm² super large VC liquid cooling heat dissipation + super large graphite + white graphene
  • 4500mAh large battery
  • 67W wired second charge
  • 50 million fast images
  • 32 million front HD lens
  • 6.28 "Super vision screen / 120Hz high brush / 419PPI
  • Harman Kardon Joint Tuning Symmetrical Stereo

physical dimension

Length: 152.7mm

Width: 69.9mm

Thickness: 8.16mm

Weight: 176g

*The above data is the test data of one-meter laboratory. According to different measurement methods in the industry, the actual results may vary slightly.

Memory Capacity

8GB + 256GB 


Mobile platform

Qualcomm Snapdragon™ 870

CPU architecture process: Kryo 585 architecture, 7nm process;

CPU frequency: eight-core processor, the highest frequency can reach: 3.2GHz

GPU: Adreno 650 graphics processor, the highest frequency can reach 670MHz


Screen display

6.28″ Super Vision Screen

Resolution: 2400 x 1080 FHD+ 419PPI

Display frame rate: up to 120Hz

Touch sampling rate: up to 480Hz

Color gamut: DCI-P3 color gamut

Peak brightness: 1100nit

Support Dolby Vision

Primary color screen|Contrast ratio 5,000,000: 1|HDR10+|Sunshine screen 3.0|12bit | Heart rate monitor | Automatic brightness 2.0

Glass cover: Corning Gorilla® Glass Victus


Camera system

50 million pixel ultra-clear main camera


1/1.56″ outsole

1.0μm single pixel

2.0μm integrated large pixels

Full pixel omnidirectional focus


24mm equivalent focal length

OIS optical image stabilization

6P lens

5 million macro lens

50mm equivalent focal length

3-7cm auto focus

13 million ultra-wide-angle lens

123° FOV

12mm equivalent focal length


5P lens

Rear video shooting frame rate:

8K: 24fps

4K: 30 / 60fps

Slow motion frame rate of rear video:

1080p: 120/240 / 960fps

720p: HDR 120/240/960 fps

50 million ultra-clear丨AI magic clone丨front and rear dual scenes丨AI magic kaleidoscope | AI camera丨document mode丨movie mode丨

ID card photocopying mode丨cute shooting丨4K video shooting丨VLOG video丨voice subtitles丨time-lapse photography丨video filter丨video beautification丨video super anti-shake丨macro video shooting丨short video recording丨portrait mode丨panoramic mode丨Professional Mode丨Dynamic Photos丨

Countdown photo丨Level meter丨Timed continuous shooting丨Face recognition丨HDR丨AI beauty丨Ultra-wide-angle edge distortion correction丨Custom watermark丨AI movie light effects

32 million pixels front

4 in 1 1.4 μm large pixels


Front video shooting frame rate:

1080p: 30fps / 60fps

Slow motion frame rate: 120fps

Super Night Scene丨AI Camera丨Front and Rear Dual Scenes| Voice Subtitles丨Moe Shooting丨Video Filters丨Video Beauty丨Movie Mode丨Front Slow Motion丨

Portrait Mode | AI Smart Beauty丨Front Panoramic View丨Gesture Camera丨Front HDR丨Soft Aura Fill Light丨Countdown Camera


Battery life charging

4500mAh (typ) / 4400mAh (min)

Built-in lithium-ion polymer battery, non-removable

USB Type-C double-sided charging interface

The phone supports QC4 / QC3.0 / PD3.0 fast charge protocol + MI FC2.0 fast charge

67W wired second charge


Network frequency band

5G丨Dual SIM丨All Netcom 7.0

Support dual Nano card slots, 5G stationed on the network regardless of operators ①

Support China Mobile/Unicom/Telecom 5G/4G/3G/2G ②

Support dual card 5G dual mode SA/NSA (Sub-6G) ③

Support dual card VoLTE HD voice ④

Note①: Whether to support 5G depends on the local operator's network; when two telecom cards are used, the secondary card can only be registered on the telecom VoLTE network. If the secondary card or the local network does not support the telecom VoLTE service, it cannot be used;

Note②: TD-SCDMA standard (mobile 3G) is not supported;

Note ③: Whether SA/NSA is supported depends on the local operator's network and service deployment; the secondary card does not support SA

Note ④: Support for VoLTE services of China Mobile/Unicom/Telecom. The actual usage depends on the operator's local network and service deployment.


Support frequency band

5G: n1 / n3 / n5 / n8 / n28a / n38 / n40 / n41 / n77 / n78

4G: FDD-LTE: B1 / B2 / B3 / B4 / B5 / B7 / B8 / B18 / B19 / B26; TDD-LTE: B34 / B38 / B39 /

B40 / B41 / B42

3G: WCDMA: B1 / B2 / B4 / B5 / B6 / B8 / B19; CDMA EVDO: BC0

2G: GSM: B2 / B3 / B5 / B8; CDMA 1X: BC0

Support 4×4 MIMO antenna technology | HPUE | HO RxD

Note: The actual network and frequency band usage depends on the deployment of local operators.

Note: LTE B41 (2496-2690 194MHz)


Data links

WLAN protocol: Wi-Fi 6, Wi-Fi 5, Wi-Fi4 and 802.11a/b/g

WLAN frequency: 2.4G WiFi | 5G WiFi

Support 2x2 MIMO, 8x8 Sounding for MU-MIMO, WiFi Direct, Miracast, 2.4G, 5G dual concurrent

Bluetooth: Bluetooth 5.1

Support AAC / LDAC / LHDC

NFC function

After the multi-function NFC is activated in the Skystar Financial·Wallet App, you can use transportation cards, Mi Pay, door cards, eID*,

Car keys* and other functions.

Transportation card: support 300+ cities, support 40+ types of public transportation cards* card transfer, support free old card transfer to new machine and simultaneous transfer of card balance.

(Transport card support cities due to differences in technical conditions and cities, etc., subject to actual conditions; the available range of card swiping terminals and car discounts are subject to

The announcement by the local government and operating companies shall prevail. )

Mi Pay: Support online APP payment, offline card swiping, UnionPay QR code payment, UnionPay label one-touch payment.

Door card: support simulated physical door card, smart door lock, community door card, custom blank card. (Only the door card with the frequency band of 13.56MHz can be simulated,

Even if the simulation is successful for bank cards with key functions and key cards with functions such as stored-value consumption and bus consumption, these cards do not

Handover function)

The specific number of cities supported, city names, banks, number of cards, eID partner hotels list, car key partner models, etc., based on actual conditions

The condition shall prevail. For further information, please follow the official WeChat account of "Sky Star Financial Wallet", or refer to (

Navigation and positioning

Beidou: B1I + B1C+ B2a丨GPS: L1 + L5丨Galileo: E1 + E5a


AGNSS: A-GPS|A-GLONASS丨Data network positioning丨Wi-Fi network positioning丨sensor assisted positioning

Video audio


Hi-Res & Hi-Res Wireless Audio Certification丨Harman Kardon丨Dolby Atmos|Dual Stereo Speaker丨Bluetooth Transmission 

Real-time ear feedback丨WeChat/QQ call recording丨HD recording 2.0

MP4, MKV, AVI, WMV, WEBM, 3GP, ASF playback

HDR 10, HDR 10+, Dolby Vision video content supports high dynamic range display


Ultrasonic distance sensor丨Ambient light sensor丨Acceleration sensor丨Gyroscope丨Electronic compass丨X-axis linear motor丨Infrared remote control


Operating system



Packing list

Mobile phone host丨pins | mobile phone protective shell丨film丨instructions (including three packs of certificates)


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