Doogee V20 vs vivo Y77t

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, 2100; CDMA2000 1x
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, 3, 5, 8, 28, 34, 38, 39, 40, 41
5G network

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA/Sub6

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

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE-A, 750 Mbps download, 211 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, TPU, polycarbonate, carbon fiber

Glass front, plastic frame, plastic back
SIM

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

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

170.5 mm

164.1 mm
Width

81.2 mm

76.2 mm
Thickness

14 mm

8 mm
Weight

296 g

190 g
Waterproof

IP68/IP69K

-
Dust proof

IP68/IP69K

-
MIL-STD-810G

Yes

-
Colors

Black, Gray, Red

Black, Gold, Mint

Display
Display type

AMOLED

IPS LCD
Physical size

6.43 inches

6.64 inches
Resolution

1080 x 2400 pixels

1080 x 2388 pixels
Pixel density

409 ppi

395 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass 3

2.5D curved glass screen

Main camera
Camera type

Triple

Dual
Main camera

(wide) , 64 MP, f/1.8 , 90˚ , 1/2" , 0.7 µm

(wide) , 50 MP, f/1.8 , 10x digital zoom
(ultrawide) , 8 MP, f/2.2 , 130˚ , 1/4" , 1.12 µm

(depth) , 2 MP, f/2.4
20 MP, f/2.6
Primary camera resolution

9248 x 6944 pixels

8120 x 6180 pixels
Primary camera video

1440p@30fps

1080p@30fps
Primary camera flash

dual-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, phase detection autofocus

Autofocus, continuous shooting, 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

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

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

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
NFC

No

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

-

Yes