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Xiaomi 12X
Xiaomi · phone

12X

vivo X50 Pro+
vivo · phone

X50 Pro+

3

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Launch

2
Announced
2021-12-28
2020-06-01
Status
Available
Discontinued

Network

5
2G bands
  • GSM-850
  • P-GSM-900
  • E-GSM-900
  • DCS-1800
  • PCS-1900
  • GSM-850
  • P-GSM-900
  • E-GSM-900
  • DCS-1800
  • PCS-1900
3G bands
  • B19 (800 MHz)
  • B5 (850 MHz)
  • B8 (900 MHz)
  • B4 (1700 MHz)
  • B2 (1900 MHz)
  • B1 (2100 MHz)
  • B5 (850 MHz)
  • B8 (900 MHz)
  • B4 (1700 MHz)
  • B2 (1900 MHz)
  • B1 (2100 MHz)
4G bands
  • B1 (2100 MHz)
  • B2 (1900 MHz)
  • B3 (1800 MHz)
  • B4 (1700 MHz)
  • B5 (850 MHz)
  • B7 (2600 MHz)
  • B8 (900 MHz)
  • B12 (700 MHz)
  • B1 (2100 MHz)
  • B2 (1900 MHz)
  • B3 (1800 MHz)
  • B4 (1700 MHz)
  • B5 (850 MHz)
  • B7 (2600 MHz)
  • B8 (900 MHz)
  • B12 (700 MHz)
5G bands
  • n1 (2100 MHz)
  • n3 (1800 MHz)
  • n5 (850 MHz)
  • n7 (2600 MHz)
  • n8 (900 MHz)
  • n20 (800 MHz)
  • n28 (700 MHz)
  • n38 (2600 MHz)
  • n1 (2100 MHz)
  • n3 (1800 MHz)
  • n41 (2500 MHz)
  • n77 (3700 MHz)
  • n78 (3500 MHz)
  • n79 (4700 MHz)
SIM
  • Dual SIM (Nano-SIM)
  • Dual SIM (Nano-SIM)

Body

9
Form factor
Bar
Bar
Height
152.7 mm
158.5 mm
Width
69.9 mm
73 mm
Thickness
8.2 mm
8.8 mm
Weight
176 g
192.2 g
Colors
  • Gray
  • Blue
  • Purple
  • Blue
  • Brown
QWERTY keyboard
✕ No
✕ No
Back material
–
  • eco leather
  • Glass
Frame material
–
Aluminum

Platform

2
OS
Android 11, MIUI 13
Android 10, Funtouch 10.5
Chipset
Snapdragon 870 5G
Snapdragon 865 5G

Memory

2
Memory
  • 8GB RAM, 128GB
  • 8GB RAM, 256GB
  • 12GB RAM, 256GB
  • 8GB RAM, 128GB
  • 8GB RAM, 256GB
  • 12GB RAM, 256GB
Dedicated card slot
✕ No
✕ No

Display

10
Size
6.28"
6.56"
Resolution
FHD
FHD
Resolution width
1080 px
1080 px
Resolution height
2400 px
2376 px
Pixel density
419 ppi
398 ppi
Refresh rate
120 Hz
120 Hz
High refresh rate
✓ Yes
✓ Yes
Display area
95.2 cm²
104.6 cm²
Screen-to-body ratio
89.2%
90.4%
Technology
AMOLED
AMOLED

Main camera

5
Cameras
  • 50MP, f/1.9, wide, OIS, PDAF
  • 13MP, f/2.4, ultrawide
  • 5MP, f/2.4
  • 50MP, f/1.9, wide, OIS, PDAF
  • 13MP, f/3, periscope telephoto, OIS, PDAF
  • 32MP, f/2.1, telephoto, PDAF
  • 13MP, f/2.2, ultrawide
Flash
Dual-LED dual-tone
Dual-LED dual-tone
Video
  • 8K@24fps
  • 4K@30/60fps
  • 1080p@30/120/240/960fps
  • 8K@30fps
  • 4K@30/60fps
  • 1080p@30/60fps
HDR
✓ Yes
✓ Yes
Panorama
✓ Yes
✓ Yes

Selfie camera

4
Cameras
  • 32MP, f/2.5, wide
  • 32MP, f/2.5, wide
Video
  • 1080p@30/60fps
  • 720p@120fps
1080p@30fps
HDR
✓ Yes
✓ Yes
Pop-up camera
✕ No
✕ No

Sound

3
3.5mm jack
✕ No
✕ No
Stereo speakers
✓ Yes
✕ No
Loudspeaker
✓ Yes
✓ Yes

Sensors

7
Fingerprint
under display
under display
Gyroscope
✓ Yes
✓ Yes
Compass
✓ Yes
✓ Yes
Barometer
✕ No
✕ No
Heart rate
✕ No
✕ No
Accelerometer
✓ Yes
✓ Yes
Proximity
✓ Yes
✓ Yes

Connectivity

7
Wi-Fi
Wi‑Fi 6 (802.11ax) (600–9608 Mbit/s)
Wi‑Fi 5 (802.11ac) (433–6933 Mbit/s)
Bluetooth
Bluetooth 5.2
Bluetooth 5.1
USB
USB Type-C 2.0
–
GPS
✓ Yes
✓ Yes
NFC
✕ No
✓ Yes
Infrared port
✓ Yes
✕ No
FM radio
✕ No
✕ No

Battery

5
Capacity
4500 mAh
4350 mAh
Type
Li-Po
–
Charging power
67 W
44 W
Removable
✕ No
✕ No
Wireless charging
✕ No
✕ No