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Xiaomi 12X Specifications
Xiaomi
Released 2021, Dec 28
8 / 12 GB RAM · Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
- 176g, 8.2mm thickness
- Android 11, MIUI 13
- 128GB/256GB storage, no card slot
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Genze vs community
Genze and community ratings are both shown on a /10 scale. Genze is derived from internal model scores and price rules; community averages come from approved reviews (1–10 per category).
| Category | Genze /10 | Users /10 |
|---|---|---|
| Battery | 8.8 | — |
| Display | 8.5 | — |
| Performance | 8.8 | — |
| Camera | 7.6 | — |
| Body | 5.2 | — |
| Gaming | 8.7 | — |
| Software | 4.4 | — |
| Connectivity | 7.8 | — |
| Sensors | 7.2 | — |
| Software updates | — | — |
| Clean software | — | — |
| Heating | — | — |
| Media | — | — |
Community columns fill in when reviews are approved.
Quick specifications
6.28"
1080x2400 pixels
50MP
4320p
8/12GB RAM
Snapdragon 870 5G
4500mAh
67W
Score breakdown
From specs, price tier & release year
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Full specifications
|
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 | 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 | 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
|
OS | 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 |
|
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", 1.0??m, PDAF, OIS 13 MP, f/2.4, 12mm, 123?? (ultrawide), 1/3.06", 1.12??m 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), 0.7??m |
|---|---|---|
| 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 |
|---|---|---|
| Charging | 67W wired, PD3.0, QC4, 100% in 39 min |
|
Misc
|
Colors | Gray, Blue, Purple |
|---|---|---|
| Models | 2112123AC, 2112123AG | |
| SAR EU | 0.59 W/kg (head) 1.00 W/kg (body) | |
| Price | About 180 EUR |
|
Our 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 |
Xiaomi 12X official images
Frequently asked questions
Is Xiaomi 12X worth buying in 2026?
Xiaomi 12X is worth considering if its strengths match your priorities. Genze scores it 7.8/10 for its class. Read owner reviews and compare alternatives before you buy.
Is Xiaomi 12X good for gaming?
Xiaomi 12X scores 87/100 on our gaming index (chipset, display smoothness, and thermals). Casual and mid-tier titles usually run well; for competitive esports, compare frame stability and heating against phones in the same price band.
What is the battery capacity of Xiaomi 12X?
Xiaomi 12X has a 4,500 mAh battery. Real-world endurance depends on chipset efficiency, display, and usage.
What display size does Xiaomi 12X have?
Xiaomi 12X features a 6.28-inch display. See the Display section for resolution, refresh rate, and panel details.
How much RAM does Xiaomi 12X have?
Xiaomi 12X is available with 8 / 12 GB RAM variants. Storage options are listed in the Memory section.
What is the Genze score for Xiaomi 12X?
Genze rates Xiaomi 12X 7.8/10 based on performance, display, camera, battery, body build, and value versus phones in the same price tier.
Where do these specifications come from?
Specifications are compiled from official manufacturer and carrier sources, reviewed by our editors where possible, and enriched with Genze scores and community feedback. GenZe Rank is not responsible for errors or omissions. Regional variants, firmware updates, and retailer listings may differ from what is shown here—always confirm critical details on the official product page before you buy.
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