89% SPEC SCORE
$370
The Xiaomi 12X comes with Android 11, ensuring enhanced functionality and smooth multitasking. It features a large 6.28-inches sharp FHD+ display, perfect for both work and entertainment. Get smooth, responsive performance for effortless day-to-day usage. With a Average 4500 mAh battery life, you can stay powered throughout the day without frequent charging. Price starting at $369 this device is Entry-level and it’s offers incredible value, blending performance, style, and affordability.
Xiaomi 12X Key Features
Display
6.28 inches (1080x2400 pixels) FHD
120Hz Refresh rate
Camera
50+13+5 MP (Triple Camera)
32 MP Selfie 8K Video
Hardware
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
OS
Android 11
MIUI 13
Ram & Storage
8GB + 128GB
8GB + 256GB
Battery
Li-Po 4500mAh
wired, PD3.0, 67W, QC4, 100% in 39 min (advertised)
Data Updated on: 01 Oct, 2026
Xiaomi 12X Pros & Cons
By Amit Dubey | on 01 October, 2026
7
/ 10
TSI Score
Design
Display
Performance
Battery
Camera
Software
Sound
Usage
Pros
Compact 6.28-inch body with a 120Hz display.
Snapdragon 870 remains a credible upper-midrange chip.
4500mAh battery is sizeable for a smaller phone.
8GB RAM on the listed configuration.
Cons
Snapdragon 870 is older 7nm hardware.
128GB storage is the only capacity listed here.
No camera, charging, IP rating, or USB details in the supplied specs.
Xiaomi 12X Price and Full Specifications
Launch Date
| Announced Date | 28 Dec, 2021 |
| Released Date | 31 Dec, 2021 |
| Status | Available |
Network
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| 2G bands | GSM 850 / 900 / 1800 / 1900 / CDMA 800 |
| 3G bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 / CDMA2000 1xEV-DO |
| 4G bands | LTE |
| 5G bands | 5G |
| Speed | HSPA / LTE / 5G |
Display
| Screen Size | 6.28 inches, 95.2 cm² (~89.2% screen-to-body ratio) |
| Display Type | AMOLED, Dolby Vision |
| Resolution | 1080 × 2400 pixels (FHD) |
| Aspect Ratio | 20:9 |
| PPI | 419 ppi |
| Display Colors | 68B colors |
| Refresh Rate | 120Hz |
| Brightness | 1100 nits (peak) |
| HDR Support | HDR10+ |
| Protection | Corning Gorilla Glass Victus |
Performance
| Processor (SoC) | Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) |
| Fabrication process | 7nm |
| CPU | Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) |
| CPU cores | 8 |
| GPU | Adreno 650 |
Storage
| Memory | 8GB + 128GB, 8GB + 256GB, 12GB + 256GB |
| Storage type | UFS 3.1 |
| Memory Card Slot | No |
Camera
REAR CAMERA | |
| Type | Triple camera |
| Primary | 50 MP, f/1.9, 26mm (wide), 1/1.56", 1.0µm, PDAF, OIS |
| Secondary | 13 MP, f/2.4, 12mm, 123˚ (ultrawide), 1/3.06", 1.12µm |
| Tertiary | 5 MP, f/2.4, 50mm (telephoto macro), AF |
| Features | Dual-LED dual-tone flash, HDR, panorama |
| Video Recording | 4K @24fps 4K @30/60fps 1080p @30/120/240/960fps gyro-EIS |
FRONT CAMERA | |
| Type | Single camera |
| Primary | 32 MP, f/2.5, 26mm (wide), 0.7µm |
| Features | HDR, panorama |
| Video Recording | 1080p @30/60fps 720p @120fps HDR |
Battery
| Battery Capacity | Li-Po 4500mAh |
| Battery Removable | No |
| Charging | 67W wired (PD3.0, QC4) — 100% in 39 min (advertised) |
Software & OS
| Operating System | Android 11 |
| OS UI | MIUI 13 |
Design
| Dimensions | 152.7 x 69.9 x 8.2 mm (2.75 x 0.32 in) |
| Weight | 176g (6.21 oz) |
| Color Options | Gray, Blue, Purple |
| Sim Card Types | Dual SIM (Nano-SIM, dual stand-by) |
Connectivity
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi 6 (market dependent), Wi-Fi Direct |
| Bluetooth | 5.1 / 5.2, A2DP, LE |
| Positioning | GPS, GLONASS, BDS, GALILEO, QZSS, NavIC |
| NFC | Yes |
| Radio | No |
| Infrared-port | Yes |
| USB Version | USB Type-C 2.0, OTG |
Sound
| Loudspeaker | Yes, with stereo speakers |
| Sound Jack | No 3.5mm jack |
Sensors & Features
| Sensors | Fingerprint (under display, optical), accelerometer, proximity, gyro, compass |
Additional Info
| Models | 2112123AC, 2112123AG |
| SAR EU | 0.59 W/kg (head) 1.00 W/kg (body) |
PRICING | |
| 8GB + 128GB | $370 |
What's in the Box
| Xiaomi 12X | Handset, USB-C cable, SIM ejector tool, and quick start guide |
Disclaimer: Information here may not be 100% accurate; please verify specs and prices on the retailer's website before buying. This page contains affiliate links. We may earn a commission if you make a purchase through them, at no extra cost to you. Thanks for your support!
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Frequently Asked Questions
How good is the Xiaomi 12X display?
The Xiaomi 12X has a 6.28-inch display with a 120Hz refresh rate and 1080 x 2400 resolution. The high refresh rate makes scrolling, animations, and supported games feel smoother than on standard 60Hz screens. Its relatively compact 6.28-inch size may appeal to buyers who want a premium-feeling display without moving to a very large phone.
What processor does the Xiaomi 12X use, and is it good for performance?
The Xiaomi 12X uses the Qualcomm Snapdragon 870 5G chipset, listed as the SM8250-AC Snapdragon 870 5G on a 7 nm process. This processor is paired with 8GB of RAM and 128GB of storage in the provided configuration. For buyers, that means the Xiaomi 12X is positioned for strong everyday performance, multitasking, and demanding apps compared with basic mid-range phones.
How long does the Xiaomi 12X battery last?
The Xiaomi 12X includes a 4500mAh battery, which is a solid capacity for a phone with a 6.28-inch 120Hz display. Actual battery life will vary based on screen brightness, 5G use, gaming, and how often the 120Hz refresh rate is active. The search context also mentions a fast-charging toggle on faster-charging Xiaomi models, which can be useful when you want rapid charging only when needed.
How much storage and RAM does the Xiaomi 12X have?
The Xiaomi 12X configuration provided includes 8GB of RAM and 128GB of internal storage. The 8GB RAM helps with multitasking and keeping apps responsive, while 128GB storage gives room for apps, photos, videos, and offline media. Buyers who record lots of video or store many large games should consider whether 128GB is enough for their long-term use.
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