Xiaomi Poco X2 vs vivo Y21T

Xiaomi Poco X2

vivo Y21T

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500)

LTE frequency band 1, 3, 5, 8, 40
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

-

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

-

LTE, 391 Mbps download, 151 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, glass

Glass front, plastic frame, plastic back
SIM

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

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

165.3 mm

164.3 mm
Width

76.6 mm

76.1 mm
Thickness

8.8 mm

8 mm
Weight

208 g

182 g
Splash resistant

Yes

-
Colors

Black, Purple, Red

Blue, White

Display
Display type

IPS LCD capacitive touchscreen

IPS LCD
Physical size

6.67 inches

6.51 inches
Resolution

1080 x 2400 pixels

720 x 1600 pixels
Pixel density

395 ppi

270 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen, Corning Gorilla Glass 5, Oleophobic coating

-
Multitouch

Yes

-

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.2 GHz Kryo 470 Gold

Quad-core 2.4 GHz Kryo 265 Gold
CPU(second)

Hexa-core 1.8 GHz Kryo 470 Silver

quad-core 1.9 GHz Kryo 265 Silver
Chipset

Qualcomm SDM730 Snapdragon 730G

Qualcomm SM6225 Snapdragon 680 4G
GPU

Adreno 618

Adreno 610
Memory RAM

6, 8 GB

6 GB
Internal storage

64, 128, 256 GB

128 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

512 GB

1 TB
Storage

UFS 2.1

-

Main camera
Camera type

Quad

Triple
Main camera

64 MP, f/1.9 , 26 mm, 1/1.72" , 0.8 µm

50 MP, f/1.8 , (wide)
8 MP, f/2.2 , 1/4.0" , 1.12 µm

2 MP, f/2.4 , (macro)
2 MP, f/2.4 , 1/5.0" , 1.75 µm

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

9248 x 6944 pixels

-
Primary camera video

1080p@30fps

1080p@30fps
Primary camera flash

dual-LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital 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, phase detection autofocus

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

Connectivity
WLAN

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

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
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

Yes

-
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

Yes

-
BDS

-

Yes