Doogee S99 vs vivo iQOO 9

Network
2G network

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

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 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, 25, 26, 28, 34, 38, 39, 40, 41
5G network

-

5G band 1, 3, 5, 8, 28, 41, 77, 78 SA/NSA
HSDPA speed

21.1 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, 391 Mbps download, 150 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 108 MP, f/1.9 , 1/1.52" , 0.7 µm

(wide) , 48 MP, f/1.8 , 1/2.0" , 0.8 µm, 25 mm
(night vision) , 64 MP, f/1.8

(telephoto) , 13 MP, f/2.5 , 50 mm, 2x optical zoom
130˚ , (ultrawide) , 16 MP, f/1.8

120˚ , (ultrawide) , 13 MP, f/2.2 , 16 mm
Primary camera resolution

12000 x 9000 pixels

8160 x 6144 pixels
Primary camera video

1440p@30fps, 1080p@30fps

4K@30fps, 1080p@30fps
Primary camera flash

dual-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, RAW

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 32 MP, f/2.0 , 1/2.8" , 0.8 µm

(wide) , 16 MP, f/2.5 , 1/3.1" , 1.0 µm
Selfie camera resolution

6560 x 4928 pixels

-
Selfie camera features

Face unlock, HDR

Face unlock, HDR
Selfie camera video

1080p@30fps

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

Yes
Bluetooth

v5.1

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes (market dependent)

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
BDS

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

6000 mAh

4350 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Yes, 33W (45% in 30 min)

Yes, 120W(50% in 6 min, 100% in 18 min)
Reverse charging

Yes

-
Wireless charging

Yes, 15W

-
Wireless reverse charging

-

Yes, 10W
Talk time 4G

28 h

14.1 h
Standby time 4G

432 h

-