Doogee S51 vs Samsung Galaxy Z Flip4

Doogee S51

Samsung Galaxy Z Flip4

Network
2G network

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

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

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

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 28, 29, 34, 38, 39, 40, 41, 66
5G network

-

5G band 1, 3, 20, 41, 77, 78, 79, 81 SA/NSA/Sub6/mmWave
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-A (6CA)
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, rubber, polycarbonate

Plastic front (opened), glass back (Gorilla Glass Victus+), aluminum frame
SIM

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

Nano-SIM, eSIM
Height

167.4 mm

84.9 mm
Width

81.4 mm

71.9 mm
Thickness

14.6 mm

15.9-17.1 mm
Height unfolded

-

165.2 mm
Width unfolded

-

71.9 mm
Thickness unfolded

-

6.9 mm
Weight

266 g

187 g
Payment

-

Samsung Pay (Visa, MasterCard certified)
Waterproof

IP68/IP69K

IPX8, 1.5m and 30 minutes
Dust proof

IP68/IP69K

-
MIL-STD-810H

Yes

-
Colors

Black, Green, Orange

Blue, Pink Gold, Graphite, Khaki, Navy, Purple, Red, Yellow

Main camera
Camera type

Dual

Dual
Main camera

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

(wide) , 12 MP, f/1.8 , 83˚ , 1.8 µm, 24 mm, 10x digital zoom
(depth) , 2 MP, f/2.4 , 1/5" , 1.75 µm

(ultrawide) , 12 MP, f/2.2 , 1.12 µm, 123˚
Primary camera resolution

5184 x 3840 pixels

4032 x 3024 pixels
Primary camera video

1080p

4K@30/60fps, 1080p@60/240fps, 720p@960fps, HDR10+
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

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, tracking autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 8 MP, f/2.0 , 80˚

(wide) , 10 MP, f/2.4 , 80˚ , 26 mm, 1.22 µm
Selfie camera resolution

3264 x 2448 pixels

-
Selfie camera features

Face unlock

Autofocus, face unlock, HDR
Selfie camera video

1080p

4K@30fps

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, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes

Features
Sensors

Accelerometer, compass, fingerprint, geomagnetic, gyroscope, light, proximity

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity