Xiaomi 14 vs vivo y31 2021

Network
2G network

GSM 850, 900, 1800, 1900;CDMA 800

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66

LTE frequency band 1, 3, 5, 8, 38, 40, 41
5G network

5G band 1, 3, 5, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

11.5 Mbps

5.76 Mbps
EV-DO speed

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A

LTE, Cat4, 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, glass back or silicone polymer back, aluminum frame

Glass front, plastic back, plastic frame
SIM

Nano-SIM and eSIM or Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

152.8 mm

163.9 mm
Width

71.5 mm

75.3 mm
Thickness

8.2 mm

8.4 mm
Weight

188/193 g

188 g
Waterproof

IP68 (up to 1.5m for 30 mins)

-
Dust proof

IP68

-
Colors

Black, Green, Pink, Silver

Plastic

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 50 MP, f/1.6 , 23 mm, 1/1.31" , 1.2 µm

(wide) , 48 MP, f/1.8 , 1/2.0" , 0.8 µm
(telephoto) , 50 MP, f/2.0 , 75 mm, 3.2x optical zoom

(macro) , 2 MP, f/2.4
115˚ , (ultrawide) , 50 MP, f/2.2 , 14 mm

(depth) , 2 MP, f/2.4
Primary camera resolution

8120 x 6180 pixels

8000 x 6000 pixels
Primary camera video

8K@24fps (HDR), 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG), 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS

4K@30fps, 1080p@30fps, gyro-EIS
Primary camera optics

Leica lens

-
Primary camera flash

dual-LED dual-tone flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, ISO fusion max

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , f/2.0

(wide) , f/2.0 , 16 MP, 1/3.06" , 1.0 µm
Selfie camera resolution

6560 x 4928 pixels

4608 x 3456 pixels
Selfie camera features

Face unlock, face detection, HDR, digital image stabilization, autofocus, phase detection autofocus, panorama

-
Selfie camera video

1080p@30fps

1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 802.11be

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 3.2

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.4

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD, aptX Adaptive

-
Infrared

Yes

-
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-
NavIC

Yes

-

Features
Sensors

Accelerometer, barometer, color spectrum, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4610 mAh

5000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 4, 90W (100% in 31 min)

Yes (70% in 67 min)
Wireless reverse charging

Yes, 10W

-
Fast wireless charging

Yes, 50W (100% in 46 min)

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