Doogee S51 vs Nokia C21

Doogee S51

Nokia C21

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900

GSM 850, 900, 1800, 1900
3G network

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

HSDPA 850, 900, 2100 - global version; 850, 900, 1700(AWS), 1900, 2100 - LATAM, Brazil
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66

LTE frequency band 1, 5, 7, 8, 20
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, Cat7, 301 Mbps download, 102 Mbps upload

LTE, Cat4, 150 Mbps download, 50 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, rubber, polycarbonate

Glass front, aluminum frame, plastic back
SIM

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

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

167.4 mm

169.9 mm
Width

81.4 mm

77.9 mm
Thickness

14.6 mm

8.8 mm
Weight

266 g

195 g
Waterproof

IP68/IP69K

-
Dust proof

IP68/IP69K

-
MIL-STD-810H

Yes

-
Colors

Black, Green, Orange

Blue, Gray

Main camera
Camera type

Dual

Single
Main camera

(wide) , 20 MP, f/1.8 , 90˚ , 1/2.9" , 1.25 µm

8 MP
(depth) , 2 MP, f/2.4 , 1/5" , 1.75 µm
Primary camera resolution

5184 x 3840 pixels

3264 x 2448 pixels
Primary camera video

1080p

720p@30fps
Primary camera flash

quad-LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, 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 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Dual Band

Yes

-
USB

Type-C 2.0

microUSB 2.0
USB On-The-Go

Yes

-
Bluetooth

v5.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
GALILEO

Yes

-
BDS

Yes

-