Doogee S51 vs Realme 5i

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
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(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500)
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 (2CA) Cat12, 603 Mbps download, 102 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS LCD

IPS LCD capacitive touchscreen
Physical size

6.0 inches

6.52 inches
Resolution

720 x 1440 pixels

720 x 1600 pixels
Pixel density

268 ppi

269 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass

2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 3+
Multitouch

-

Yes

Main camera
Camera type

Dual

Quad
Main camera

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

12 MP, f/1.8 , 1/2.9" , 1.25 µm
(depth) , 2 MP, f/2.4 , 1/5" , 1.75 µm

8 MP, f/2.3 , 13 mm
2 MP, f/2.4 , 1/5" , 1.75 µm
2 MP, f/2.4
Primary camera resolution

5184 x 3840 pixels

3968 x 2976 pixels
Primary camera video

1080p

2160p@30fps, 1080p@30fps, gyro-EIS
Primary camera flash

quad-LED flash

dual-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, digital zoom, digital 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, super night scape 2.0

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
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

microUSB 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth HID

-

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

-

Yes
NFC

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, fingerprint, gyroscope, magnometer, proximity, light