Doogee S51 vs Oppo Find X7 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 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
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, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66
5G network

-

5G band 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

11.52 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 2), glass back (Gorilla Glass) or eco leather 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

76.2 mm
Thickness

14.6 mm

9.5 mm
Weight

266 g

221 g
Waterproof

IP68/IP69K

IP68 (up to 1.5m for 30 mins)
Dust proof

IP68/IP69K

IP68
MIL-STD-810H

Yes

-
Colors

Black, Green, Orange

Black, Blue, Brown

Display
Display type

IPS LCD

LTPO AMOLED
Physical size

6.0 inches

6.82 inches
Resolution

720 x 1440 pixels

1440 x 3168 pixels
Pixel density

268 ppi

510 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant, Corning Gorilla Glass

Corning Gorilla Glass Victus 2
Display features

-

120Hz, Dolby Vision, HDR10+, 1600 nits (typ), 2600 nits (HBM), 4500 nits (peak)

Main camera
Camera type

Dual

Quad
Main camera

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

(wide) , 50 MP, f/1.8 , 1/0.98" , 1.6 µm, 23 mm
(depth) , 2 MP, f/2.4 , 1/5" , 1.75 µm

(periscope telephoto) , 50 MP, f/2.6 , 1/1.56" , 1.0 µm, 65 mm, 2.8x optical zoom
(periscope telephoto) , 50 MP, f/4.3 , 135 mm, 1/2.51" , 0.64 µm, 6x optical zoom
(ultrawide) , 50 MP, f/2.0 , 123˚ , 14 mm, 1/1.95" , 1.0 µm
Primary camera resolution

5184 x 3840 pixels

8120 x 6180 pixels
Primary camera video

1080p

4K@30/60fps, 1080p@30/60/240fps; gyro-EIS; HDR, 10‑bit video, Dolby Vision
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 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, contrast detection autofocus, laser autofocus, multi-directional phase detection autofocus, RAW, HEIF, Hasselblad master mode

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 8 MP, f/2.0 , 80˚

(wide) , 32 MP, f/2.4 , 21 mm, 1/2.74" , 0.8 µm
Selfie camera resolution

3264 x 2448 pixels

6560 x 4928 pixels
Selfie camera features

Face unlock

Face unlock, HDR, autofocus, face detection, digital image stabilization
Selfie camera video

1080p

4K@30/60fps, 1080p@30fps, 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, 802.11be
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 3.2
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.4
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
Infrared

-

Yes
NFC

Yes

Yes; NFC-SIM, HCE, eSE, eID
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

-

Yes

Features
Sensors

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

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity