Oppo Find X2 vs vivo Y21T

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700), 32(1500), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500), 42(3500), 66(1700/2100)

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

5G band 1(2100), 3(1800), 5(850), 7(2600), 28(700), 41(2500), 77(3700), 78(3500); SA/NSA

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

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

LTE, Cat20

LTE, 391 Mbps download, 151 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, cerramic back or glass back, aluminum frame

Glass front, plastic frame, plastic back
SIM

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

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

164.9 mm

164.3 mm
Width

74.5 mm

76.1 mm
Thickness

8 mm

8 mm
Weight

209 (Ceramic) / 192 (Glass) g

182 g
Splash resistant

IP54

-
Colors

Black(Ceramic), Ocean(Glass)

Blue, White

Display
Display type

AMOLED

IPS LCD
Physical size

6.7 inches

6.51 inches
Resolution

1440 x 3168 pixels

720 x 1600 pixels
Pixel density

513 ppi

270 ppi
Display colors

1148903751

16777216
Protection

Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 6

-
Multitouch

Yes

-
Display features

HDR10, DCI-P3 100%, 120Hz, 240Hz touch-sensing, 800 nits max brightness

-

Main camera
Camera type

Triple

Triple
Main camera

48 MP, f/1.7 , 26 mm, 1/2.0" , 0.8 µm

50 MP, f/1.8 , (wide)
13 MP, f/2.4 , 52 mm, optical zoom

2 MP, f/2.4 , (macro)
12 MP, f/2.2 , 16 mm, 1/2.4"

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

8000 x 6000 pixels

-
Primary camera video

2160p@30/60fps, 1080p@30/60fps; gyro-EIS; HDR

1080p@30fps
Primary camera flash

dual-LED dual-tone flash

LED flash
Camera features

Autofocus, continuous 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, contrast 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

v5.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

Yes

-
BDS

-

Yes