Xiaomi 12X
Specifications
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300
Fans
| 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", 1.0µm, 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 | |
|---|---|
| Single | 32 MP, f/2.5, 26mm (wide), 0.7µm |
| 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 |
| Messaging | SMS(threaded view), MMS, Email, Push Email, IM |
| Browser | HTML5 |
| 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 | $ 174.54 / £ 197.07 / € 256.70 |
| 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 |
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User opinions and reviews
- hesam
hello guys, what gcam version and config is the best for this phone? i download some and everyone of the configs either crashing the gcam(because of unmatched version) or has purple hue vintage look on them.
- 29 Apr 2025
- BLc
- 12x user - brick
I am the same user I used 12x for 2 months back then. Well the phone, 12x, lasted me maybe another 8 months and just went dead one day. With no signs - anything. Just brick dead. And because I got it from company which I had left at that time, I coul...
- 06 Apr 2025
- ntZ
- Anonymous
I found the cause of the problem. If the screen brightness is at least 60%, it switches between 120 and 60 Hz. This is ridiculous.
- 03 Feb 2025
- p27