Doogee S51 vs Xiaomi Mi 11 Ultra

Network
2G network

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

GSM 850, 900, 1800, 1900; CDMA 800
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, 17, 20, 28, 32, 38, 40, 41, 42, 66 - global; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - China
5G network

-

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA - global; 1, 3, 28, 41, 77, 78, 79 SA/NSA - China
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
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, rubber, polycarbonate

Glass front (Gorilla Glass Victus), ceramic back, aluminum frame
SIM

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

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

167.4 mm

164.3 mm
Width

81.4 mm

74.6 mm
Thickness

14.6 mm

8.4 mm
Weight

266 g

234 g
Waterproof

IP68/IP69K

IP68
Dust proof

IP68/IP69K

IP68
MIL-STD-810H

Yes

-
Colors

Black, Green, Orange

Black, White

Display
Display type

IPS LCD

AMOLED
Physical size

6.0 inches

6.81 inches
Resolution

720 x 1440 pixels

1440 x 3200 pixels
Pixel density

268 ppi

515 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant, Corning Gorilla Glass

Scratch resistant, 3D curved glass screen, Corning Gorilla Glass Victus
Display features

-

120Hz, HDR10+, Dolby Vision, 900 nits, 1700 nits (peak)

Main camera
Camera type

Dual

Triple
Main camera

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

(wide) , 50 MP, f/2.0 , 1/1.12" , 1.4 µm, 24 mm
(depth) , 2 MP, f/2.4 , 1/5" , 1.75 µm

(periscope telephoto) , 48 MP, f/4.1 , 1/2.0" , 0.8 µm, 120 mm, 5x optical zoom
128˚ , (ultrawide) , 48 MP, f/2.2 , 12 mm, 1/2.0" , 0.8 µm
Primary camera resolution

5184 x 3840 pixels

8160 x 6144 pixels
Primary camera video

1080p

8K@24fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR10+ rec.
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, continuous autofocus, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, face unlock, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, laser autofocus, AI 2.0, night mode 2.0, stagger HDR
DxOMark photo

-

148
DxOMark zoom

-

100
DxOMark video

-

117
DxOMark camera score

-

143

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 8 MP, f/2.0 , 80˚

(wide) , 20 MP, f/2.2 , 27 mm, 1/3.4" , 0.8 µm
Selfie camera resolution

3264 x 2448 pixels

5184 x 3880 pixels
Selfie camera features

Face unlock

Face unlock, HDR
Selfie camera video

1080p

1080p@30/60fps, 720p@120fps, gyro-EIS

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
Bluetooth AptX

-

aptX HD
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with tri-band A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

-

Yes
NavIC

-

Yes

Features
Sensors

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

Accelerometer, compass, fingerprint, gyroscope, proximity