Nokia C21 vs Oppo Find X7

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 2100 - global version; 850, 900, 1700(AWS), 1900, 2100 - LATAM, Brazil

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

LTE frequency band 1, 5, 7, 8, 20

LTE frequency band 1, 3, 4, 5 , 7, 8, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66
5G network

-

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

11.52 Mbps
EV-DO speed

-

EV-DO 2.4 Mbps download, 0.15 Mbps upload
LTE speed

LTE, Cat4, 150 Mbps download, 50 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, aluminum frame, plastic back

Glass front (Gorilla Glass Victus 2), glass back or eco leather back, aluminum frame
SIM

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

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

169.9 mm

162.7 mm
Width

77.9 mm

75.4 mm
Thickness

8.8 mm

8.7 mm
Weight

195 g

202/206 g
Waterproof

-

IP65
Dust proof

-

IP65
Colors

Blue, Gray

Black, Blue, Brown, Purple

Display
Display type

IPS LCD

LTPO AMOLED
Physical size

6.52 inches

6.78 inches
Resolution

720 x 1600 pixels

1264 x 2780 pixels
Pixel density

269 ppi

450 ppi
Display colors

16777216

1073741824
Protection

-

Corning Gorilla Glass Victus 2
Display features

-

120Hz, Dolby Vision, HDR10+, 1600 nits (typ), 2300 nits (HBM), 4500 nits (peak)

Main camera
Camera type

Single

Triple
Main camera

8 MP

50 MP, (wide) , f/1.6 , 23 mm, 1/1.56" , 1.12 µm
(periscope telephoto) , 64 MP, f/2.6 , 70 mm, 1/2.0" , 1.0 µm, 3x optical zoom
119˚ , (ultrawide) , 50 MP, f/2.0 , 15 mm, 1/2.76" , 0.64 µm
Primary camera resolution

3264 x 2448 pixels

8120 x 6180 pixels
Primary camera video

720p@30fps

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

LED 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, Hasselblad master mode

Selfie camera
Selfie camera type

Single

Single
Selfie camera

5 MP, f/2.4

32 MP, f/2.4 , (wide) , 21 mm, 1/2.74" , 0.8 µm
Selfie camera resolution

2560 x 1920 pixels

-
Selfie camera features

-

Face unlock, digital image stabilization, HDR, autofocus, face detection
Selfie camera video

720p@30fps

4K@30fps, 1080p@30fps, gyro-EIS

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.2

v5.4
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth AptX

-

aptX HD
Infrared

-

Yes
NFC

No

Yes; NFC-SIM, HCE, eSE, eID
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes