Available Variants
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 |
| Speed | HSPA, LTE, 5G |
| 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 |
| 5G bands | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 |
Launch
| Announced | 2021, December 28 |
| Status | Available. Released 2021, December 31 |
Body
| SIM | Nano-SIM + Nano-SIM |
| Weight | 176 g (6.21 oz) |
| Dimensions | 152.7 x 69.9 x 8.2 mm (6.01 x 2.75 x 0.32 in) |
Display
| 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 |
| Type | AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 1100 nits (peak) |
Hardware & Software
| 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 & Storage
| 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 |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/120/240/960fps, gyro-EIS |
| Features | Dual-LED dual-tone flash, HDR, panorama |
Selfie Camera
| Single | 32 MP, f/2.5, 26mm (wide), 0.7µm |
| Video | 1080p@30/60fps, 720p@120fps, HDR |
| Features | HDR, panorama |
Sound
| Loudspeaker | Yes, with stereo speakers |
| Audio Quality | 24-bit/192kHz Hi-Res audio Tuned by Harman Kardon |
| 3.5mm jack | No |
Connectivity
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi 6 (market dependent), dual-band, Wi-Fi Direct |
| Infrared port | Yes |
| USB | USB Type-C 2.0, OTG |
| Radio | No |
| NFC | Yes (market/region dependent) |
| Positioning | GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| Bluetooth | 5.1 / 5.2, A2DP, LE |
Features
| Sensors | Fingerprint (under display, optical), accelerometer, proximity, gyro, compass |
Battery
| Charging | 67W wired, PD3.0, QC4, 100% in 39 min |
| Type | Li-Po 4500 mAh |
Tests
| Performance | AnTuTu: 598003 (v8), 690298 (v9) GeekBench: 3168 (v5.1) GFXBench: 47fps (ES 3.1 onscreen) |
| Battery (old) | Endurance rating 105h |
| Loudspeaker | -25.6 LUFS (Very good) |
| Camera | Photo / Video |
| Display | Contrast ratio: Infinite (nominal) |
Frequently Asked Questions
Description
The Xiaomi 12X is a compact flagship that feels refreshing in a world of oversized phones. It’s easy to hold, fast in daily use, and delivers a premium experience without going overboard.
In real-life performance, the Snapdragon 870 is still a very capable chip. Apps open quickly, multitasking is smooth, and gaming feels stable with consistent performance. It may not be the newest processor, but it’s reliable and well-optimized, which actually makes a difference in daily use.
The 50MP main camera captures sharp and detailed photos with natural colors. It performs well in daylight and handles low light better than most phones in this range thanks to OIS. The ultrawide is useful for wider shots, while the macro lens is more of an extra feature you might not use often. Video recording is also solid and stable.
Battery life is good for a compact phone, easily lasting a full day with normal use. The 67W fast charging is quick and convenient, so topping up the battery doesn’t take long.
The AMOLED display is bright, smooth, and vibrant. With a 120Hz refresh rate, everything feels fluid, and the compact 6.28-inch size makes it very comfortable to use with one hand. The design feels premium and lightweight.
Overall, this is a great choice for users who want flagship-level performance in a smaller, easy-to-handle phone without sacrificing everyday experience.
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Performance & Features
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Based on AI analysis
* These values are calculated automatically by our system and may not be 100% accurate.
Antutu Benchmark
v9* Scores are based on lab tests and may vary by device condition and version.