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vivo X21
vivo · phone

X21

Samsung Galaxy Xcover FieldPro
Samsung · phone

Galaxy Xcover FieldPro

3

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Launch

2
Announced
2018-03-01
2019-10-01
Status
Available
Available

Network

4
2G bands
  • DCS-1800
  • P-GSM-900
  • GSM-850
  • T-GSM-900
  • R-GSM-900
  • E-GSM-900
  • DCS-1800
  • R-GSM-900
  • P-GSM-900
  • E-GSM-900
  • GSM-850
  • T-GSM-900
3G bands
  • B8 (900 MHz)
  • B5 (850 MHz)
  • B2 (1900 MHz)
  • B26 (850 MHz)
  • B25 (1900 MHz)
  • B25 (1900 MHz)
  • B26 (850 MHz)
  • B5 (850 MHz)
  • B2 (1900 MHz)
  • B8 (900 MHz)
4G bands
  • B5 (850 MHz)
  • B2 (1900 MHz)
  • B38 (2600 MHz)
  • B40 (2300 MHz)
  • B1 (2100 MHz)
  • B39 (1900 MHz)
  • B41 (2500 MHz)
  • B8 (900 MHz)
  • B1 (2100 MHz)
  • B4 (1700 MHz)
  • B7 (2600 MHz)
  • B2 (1900 MHz)
  • B5 (850 MHz)
  • B20 (800 MHz)
  • B39 (1900 MHz)
  • B3 (1800 MHz)
SIM
  • Hybrid Dual SIM (Nano-SIM)
  • Single SIM (Micro-SIM)
  • Dual SIM (Micro-SIM)

Body

9
Height
154.5 mm
158.5 mm
Width
74.8 mm
80.7 mm
Thickness
7.4 mm
14.2 mm
Weight
156.2 g
256 g
Colors
  • Ruby Red
  • Aurora White
  • Black
  • Black
Back material
Aluminum
Plastic
Frame material
Aluminum
Glass
QWERTY keyboard
✕ No
✕ No
Protection
–
IP68

Platform

2
OS
Android 8.1 Oreo
Android 8.0 Oreo
Chipset
Snapdragon 660 (14 nm)
Exynos 9810

Memory

3
Memory
  • 6GB RAM, 64GB
  • 6GB RAM, 128GB
  • 4GB RAM, 64GB
Card slot
microSDXC
microSDXC
Dedicated card slot
✕ No
✓ Yes

Display

8
Size
6.28"
5.1"
Resolution width
1080 px
1440 px
Resolution height
2280 px
2560 px
Pixel density
402 ppi
576 ppi
High refresh rate
✕ No
✕ No
Display area
98.4 cm²
71.7 cm²
Screen-to-body ratio
85.2%
56.1%
Technology
Super AMOLED
IPS LCD

Main camera

5
Cameras
  • 12MP, standard, PDAF
  • 5MP, f/2.4, depth
  • 12MP, f/1.5, wide, PDAF
Flash
LED
Triple-LED
Video
1080p@30fps
1080p@30fps
HDR
✓ Yes
✓ Yes
Panorama
✓ Yes
✓ Yes

Selfie camera

4
Cameras
  • 12MP, f/2.8, wide
  • 8MP, standard
Video
1080p@30fps
1080p@30fps
HDR
✕ No
✓ Yes
Pop-up camera
✕ No
✕ No

Sound

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

Sensors

7
Fingerprint
rear-mounted
rear-mounted
Gyroscope
✕ No
✓ Yes
Compass
✓ Yes
✓ Yes
Barometer
✕ No
✓ Yes
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 6E (802.11ax) (600–9608 Mbit/s)
  • 802.11b (1–11 Mbit/s)
  • Wi‑Fi 5 (802.11ac) (433–6933 Mbit/s)
  • Wi‑Fi 4 (802.11n) (72–600 Mbit/s)
  • 802.11g (6–54 Mbit/s)
  • 802.11a (6–54 Mbit/s)
  • 802.11g (6–54 Mbit/s)
  • Wi‑Fi 6E (802.11ax) (600–9608 Mbit/s)
  • Wi‑Fi 4 (802.11n) (72–600 Mbit/s)
  • 802.11a (6–54 Mbit/s)
  • Wi‑Fi 6 (802.11ax) (600–9608 Mbit/s)
  • 802.11b (1–11 Mbit/s)
  • Wi‑Fi 5 (802.11ac) (433–6933 Mbit/s)
Bluetooth
Bluetooth 5.0
Bluetooth 5.0
USB
USB microUSB 2.0
USB Type-C 2.0
GPS
✓ Yes
✓ Yes
NFC
✕ No
✓ Yes
Infrared port
✕ No
✕ No
FM radio
✓ Yes
✓ Yes

Battery

5
Capacity
3200 mAh
4500 mAh
Type
Li-ion
Li-Po
Charging power
18 W
–
Removable
✕ No
✓ Yes
Wireless charging
✕ No
✕ No