Doogee S51 vs Meizu 18

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, 1900, 2100
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, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41
5G network

-

5G band 1, 3, 41, 77, 78, 79 SA/NSA
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

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE, Cat7, 301 Mbps download, 102 Mbps upload

LTE Cat20
5G speed

-

5G
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS LCD

Super AMOLED
Physical size

6.0 inches

6.2 inches
Resolution

720 x 1440 pixels

1440 x 3200 pixels
Pixel density

268 ppi

563 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass

Scratch resistant, quad-curved glass screen
Display features

-

120Hz, HDR10+, 420 nits (typ), 1300 nits (peak)

Main camera
Camera type

Dual

Triple
Main camera

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

(wide) , 64 MP, f/1.6 , 1/1.73" inches, 0.8 µm, 26 mm
(depth) , 2 MP, f/2.4 , 1/5" , 1.75 µm

(telephoto) , 8 MP, f/2.4 , 1/4.4" inches, 1.0 µm, 79 mm, 3x optical zoom
122˚ , (ultrawide) , 16 MP, f/2.2 , 15 mm, 1/3.0 inches, 1.0 µm
Primary camera resolution

5184 x 3840 pixels

9248 x 6944 pixels
Primary camera video

1080p

4K@30/60fps, 1080p; gyro-EIS
Primary camera flash

quad-LED flash

Dual-LED dual-tone 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, 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, DarkVision, pure fusion, live photo, super night view 4.0

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 8 MP, f/2.0 , 80˚

(wide) , 20 MP, f/2.2 , 26 mm, 1/3.4" inches, 0.8 µm
Selfie camera resolution

3264 x 2448 pixels

-
Selfie camera features

Face unlock

Face unlock, HDR, AI ultra-clear image
Selfie camera video

1080p

1080p@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

-
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

A2DP
bluetooth LE

Yes

LE
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

-

BeiDou
BDS

Yes

-
QZSS

-

Yes

Features
Sensors

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

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Ion

Li-Po
Battery capacity

5180 mAh

4500 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Yes

Super mCharge, Qualcomm Quick Charge 3+ (40% in 15 min, 100% in 50 min)
Talk time 3G

24 h

-
Talk time 4G

24 h

-
Standby time 3G

360 h

-
Standby time 4G

360 h

-