Nokia XR21 vs Oppo Find X3

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800
3G network

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 66 - China
5G network

5G band 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77, 78, 79 SA/NSA

5G band 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78, 79 - China
HSDPA speed

45.4 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-A, 750 Mbps download, 211 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass Victus), plastic back, plastic frame

Glass front (Gorilla Glass), glass back, aluminum frame
SIM

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

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

168 mm

163.6 mm
Width

78.6 mm

74 mm
Thickness

10.6 mm

8.3 mm
Weight

231 g

193 g
Waterproof

IP68/IP69K (1.5m and 60 mins)

IP68, 1.5m for 30 mins
Dust proof

IP68/IP69K

IP68
MIL-STD-810H

Yes

-
Colors

Black, Green

Black, Blue, White

Display
Display type

IPS LCD

LTPO AMOLED
Physical size

6.49 inches

6.7 inches
Resolution

1080 x 2400 pixels

1440 x 3216 pixels
Pixel density

406 ppi

525 ppi
Display colors

16777216

1073741824
Protection

2D curved glass screen, Corning Gorilla Glass Victus

Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
Display features

-

120Hz, HDR10+, BT.2020, 500 nits (typ), 1300 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.2 GHz Kryo 660 Gold

Single-core 3.2 GHz Kryo 585
CPU(second)

Hexa-core 1.7 GHz Kryo 660 Silver

Triple-core 2.42 GHz Kryo 585
CPU(third)

Quad-core 1.80 GHz Kryo 585
Chipset

Qualcomm SM6375 Snapdragon 695 5G

Qualcomm SM8250-AC Snapdragon 870 5G
GPU

Adreno 619

Adreno 650
Memory RAM

6 GB

8 GB
Internal storage

128 GB

128, 256 GB
Memory card

microSD, microSDHC, microSDXC

No
Memory card max

512 GB

-
Storage

-

UFS 3.1

Main camera
Camera type

Dual

Quad
Main camera

(wide) , 64 MP, f/1.8 , 1/2"

(wide) , 50 MP, f/1.8 , 1/1.56" , 25 mm, 1.0 µm, 20x digital zoom , 5x
(ultrawide) , 8 MP, f/2.2 , 1/4.0" , 1.12 µm

(telephoto) , 13 MP, f/2.4 , 52 mm, 2x optical zoom
110˚ , (ultrawide) , 50 MP, f/2.2 , 1/1.56" , 1.0 µm
(macro) , 3 MP, f/3.0
Primary camera resolution

9280 x 6920 pixels

8192 x 6144 pixels
Primary camera video

4K@30fps, 1080p@30fps

4K@30/60fps, 1080p@30/60/240fps; gyro-EIS; HDR, 10-bit video
Primary camera flash

dual-LED dual-tone flash

LED flash
Camera features

Autofocus, geotagging, panorama, HDR, touch focus, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, speedwarp

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, RAW, HEIF

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 16 MP, f/2.4

(wide) , 32 MP, f/2.4 , 26 mm, 1/2.8" , 0.8 µm
Selfie camera resolution

4608 x 3456 pixels

4896 x 6528 pixels
Selfie camera features

Face unlock, HDR

Face unlock, HDR, 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

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 3.1
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX Adaptive

aptX HD
NFC

Yes (market dependent)

Yes (dual antenna)
GPS

Yes, with dual-band A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes
NavIC

Yes

-

Features
Sensors

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity

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

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4800 mAh

4500 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

USB Power Delivery 2.0, 33W

SuperVOOC 2.0 (40% in 10 min)
Wireless reverse charging

-

Yes
Fast wireless charging

-

AirVOOC (100% in 80 min)